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Clock Wave Positive Reviews

Absolutely Works!!!I downloaded this very skeptical!! Already expecting it not to work! Because it makes sense right how can a phone that can only transmit sound set a clock that receives radio signals! I don’t know how this works but it truly does! However you have to hold your clocks receiver close to the speaker on your phone with the volume all the way up! Then be patient it after you start a manual receive your signal reception will show very strong then just minutes later you will have a set clock! It’s really pretty amazing!!! The key to this working is keeping the clock your setting close to you phone while your transmitting!! Otherwise it won’t work!! You can’t believe those that say it doesn’t work because it really does!!.Tatman1982Version: 1.3.7

Converted skepticI was doubtful of how clicking sounds from a speaker would simulate radio signals but bought the app anyway. I tried the app with a Lacrosse atomic clock that can’t receive a WWVB signal unless it was by a west facing window. It didn’t work so I was all set to give a 1 star scam rating and review. I decided to try it again but this time I aligned the speaker with the back of the clock and turned up the iPad volume. When I looked five minutes later the signal received icon was showing on the clock and it was synchronized with the correct time, having been 12 seconds slow before. Now I have to find how why and how this works.Papachungo13Version: 1.3.4

Simply amazing and worksLet me preface this review by saying I have never written a review before on the App Store. I downloaded this app because the atomic time sync on my watch never captured the signal from the atomic clock in Fort Collins due to interference from walls, electronics, and modern technology that is all around us. This App made syncing my watch to the atomic clock as simple as hitting the “transmit button.” My watch synced to the clock within 2 minutes and I was done. Simply amazing and highly practical for people not close to the atomic tower anywhere in the world whether it be in the USA or Europe or Asia or anywhere else for that matter. Bravo!.DeweyDavisVersion: 1.3.10

Freaking Amazing App! You are my hero!Just bought a watch from eBay and was having trouble receiving the time signal with it. Loved the watch but not sure if there was a problem with the receiver. No way to test but to go outside at night away from the house, point north, etc., etc. Even a watch I already owned and knew worked with the signal was having trouble. Heard about JJY app on a google review of a similar watch and then hit the App Store for it, and took a guess to search for WWVB. Found this app! Less than ten minutes later, watch synchronized! Fabulous, and best $2 that I ever spent..Cover Your AssetsVersion: 1.3.3

How it works...I have seen a lot of folks saying this cannot work. The app generates a sound signal but a radio controlled watch needs a radio signal to calibrate. It is not the sound that is doing it but the electric square wave pulses in the wiring to the speaker that generate the electromagnetic pulses. There is a triple harmonic at 20kHz that generates the 60 kHz radio signal that your watch can recognize. If you plug a simple AM antenna into the speaker port of the phone it will work even better. (One wire to ground and one to left or right) Then all of the electrical energy goes to EM instead of wasting it to drive the speaker ;).MAWilsonPEVersion: 1.3.7

Mixed resultsI downloaded this app to sync my home weather station clock with atomic time. I placed my iPhone speaker right next to it and the volume at full and it wouldn’t work. Tried many times in many different positions. I finally got the idea to mirror my iPhone to my Apple TV and play the sound through my tv sound bar at higher volume. It worked first time flawlessly. Can you add the ability to stream to a Bluetooth speaker to get a higher volume than the iPhone speaker can provide..Army Aviator.Version: 1.3.15

I’ll be darned!!Got a new Casio watch that receives the atomic time signal and could not pick up the radio signal inside my house after several tries. Got this app and tried it, and bingo it worked first time I tried it, took about three minutes for the watch to get a positive response and it adjusted the time which was a couple minutes off. Be sure and have your speaker volume up all the way and place watch/clock next to speaker.....I had watch actually touching my iPad right where the speaker is.....worked perfectly!.Jpatt66Version: 1.3.7

Works on Casio Lineage WatchWorked the very first time on my Casio Lineage Japanese model LCW-M170TD-7AJF watch. This watch needs a strong and long signal to set and this app worked perfectly. I've been messing around for a year with a group of arduino geeks trying to make a 60hz wwvb clock signal transmitter and it's not working yet - and then i found this app that snatched our glory, lol. And as others said, some improved features would be nice. Maybe the ability to transmit for 10 mins every night so my watch can sync automatically while sitting in my man-bowl? Great app! Thanks!.JayInHawaiiVersion: 1.3.3

Works well once configuredI needed this app for my Citizen watch that was made in Japan, thus can only get the Japanese signal. I set the app to the Japan “station”, and then selected Japanese domestic clock time zone. I then set the watch to receive the signal and left it to do its thing. It successfully set itself in 5 minutes, perhaps less. If you find it finishes but the hour is still off, this may be because the watch itself was set to adjust a few hours for a time zone change..Dude5748484Version: 1.3.16

Came here after trying “Radio Wave Sync”Speaking only for iPhone 12 mini. “Radio Wave Sync” didn’t work in any position- even with sound switches on and in all settings. Tried two hours- then got this app. Worked on one Gshock model. Tried old app on the other Gshock, old app didn’t work for it either, then tried this app and it worked again…….In short- this app worked for both Gshocks on the first try. The other app never worked. Again- iPhone 12 mini and Gshocks only.GetshreddyVersion: 1.3.16

Really works!Because of the recent time change, I was adjusting two of my Atomic Clock Citizens, and lost the sync. I didn’t want to wait for the 2:00am sync. My watch won’t easily sync at other times of the day, I’m thinking, will this app sync two watches at the same time, it does. I opened the app and clicked on transmit. Set both watches on RX, placed them near the speaker on my iPhone X, and in several minutes both watches had synced. Probably more than two can be synced simultaneously..GkinlaVersion: 1.3.10

OMG! This really works!I can’t believe this really works, I have no WWVB signal in my house, because my Seiko R-Wave clock never on time, always need manual adjustment, so I try this app out, when transmitting and the phone volume all the way up, there’s some ticking noise, I face the phone speaker on my clock’s mechanical part (on the backside of the clock), press the M.set button on the clock for three seconds and wait, after 5 minutes, the clock started rotating, and now the time is spot on! it’s just amazing how this even works? Five stars!.Max05210238Version: 1.3.6

Holy $&@# it works!Have 8 atomic watches that I rotate and wear to work. Living in SE Mass, I'm on the very edge of the WWVB signal. I leave 1-3 watches on my car dashboard every night and 50% of the time, one or two of them will have paired. I have to have a very accurate watch for work. So, they're all atomic. Some are new, some are older, and some pair easier than others. But I can get all of them to pair, except the Casio GW3500 which has never paired and too complicated to set manually. Figured for $2 it was worth a shot. Holy $&@# it worked! Had the watch 5 years and it has never paired until now. Amazed. 👍🏻👍🏻 NOTE: After some experimenting, I have gotten even better results using a wireless Bluetooth speaker. And, you can just place the watch on top of the speaker , instead of having to hold both the watch and the phone at the right angles..Msbav8r53Version: 1.3.9

It actually works ! ( A tip for those not able to sync)After a day of trying and about 10 failed attempts, I have finally managed to sync my watch. I have tried playing it on speaker and attaching the watch to lead pipes to no avail. What worked for me is hanging the watch on the metal rack in my wardrobe ( it works as a signal amplifier) and placing my phone with the app transmitting right near the watch. The process took about 4 minutes.Maxus12?86Version: 1.3.15

Skeptical Amateur Radio Op says it freakin works!!I’m a week into a new Citizen ProMaster Eco Drive and from eastern NC with a metal roof, I’ve been finding it almost impossible to sync up to the Fort Collins site. As a ham radio operator, AA5AZ, knowing it’s a 122 meter wave antenna told me it would sync better at night and under some real good conditions, but at 2am. I never could get a sync. This app absolutely worked and I’d like to thank the reviewer who explained how it worked without having even a micro-second of lag, 60 Hz is 60 Hz. It just works!!.Wilson HinesVersion: 1.3.9

A future proof answer.I no longer have to wait for the right conditions or location to a time set. For a while there was a rumor WWVB was going to shut down. With Clock Wave, it doesn’t matter. It emulates the time signal station, it doesn’t need the actual radio signal. So your rc watches are future proofed. Updated: Still getting a lot of use from Clock Wave. It has not fail once to set my r/c clocks and that you keep it updated is a big plus. This is one app I’m very happy to review..Genex17Version: 1.3.7

Some serious voodoo right thereI live outside the WWVB range, even during the best of times. The northeast usually doesn’t get a good signal. I tried this app, VERY SKEPTICAL of it working with my Citizens Eco Drive watch. I clicked Transmit, turned the volume all the way up on my iPad, and set the watch in manual mode and placed it near the charge port. I waited about 8 minutes, and boom! I got my first OK pointer from the second hand. This app has some serious magic to it..San may need aVersion: 1.3.16

Excellent! Worked with Citizen analog watchI just purchased a Citizen Atomic/radio-controlled watch. Features date, time, 24hr indicator, leap year, etc. was made aware that the atomic clock may be shutting down, so I purchased this app. Took a brand new/never set watch and synced it with the Clock Wave app. Took this particular watch about 6 minutes to set. My watch did indicate a high signal (great). All of my date/time settings were synced. Extremely happy with the app. Easily worth the $2.DocFartenVersion: 1.3.5

It works with my g-shock multiband 6I live in St. Louis and there is no signal from the tower in the US. I wanted to use my multiband 6 functions so I gave this airport try. This app works very well and I'm very happy with my purchase. It takes about 2 to 3 minutes until it gets the right time so just to make sure keep your watch close to your phone with this app on at least for three minutes. it will do it’s job..Alpine.86Version: 1.3.6

It WorksThis worked! I was able to sync my clock that has been unable to get a good signal here in GA. Put the clock into calibration mode and turned the volume all the way up on my phone, put the phone very close to the clock and hit “Transmit” in the app. 2-3 minutes later it was properly synced. Highly recommend if you’re having reception issues with your radio-controlled clock..InterconnectVersion: 1.3.6

It works in Hawaii!I have a Citizen wrist watch that never got the atomic time radio signal from Colorado. Came across this app and decided $2 was worth being able to set time on expensive watch. It really works! Skeptical how clicking noises from an app could make the watch set to exact time, but it worked! Well worth the $2! Especially in Hawaii where it’s hard to get the atomic time signal..Kunal P.Version: 1.3.6

This really works!I was a total skeptic about this app, especially when I used a free app claiming to do the same thing and didn’t work. I’ve now programmed both my Casio watches with it with no issues. I will say it does seem to work better on an iPad vs iPhone because the speakers are louder. Other than that, it just plain works!.Davey VainVersion: 1.3.16

Works amazingly wellBe sure to read the directions, turn up your volume and keep the watch or clock as close to the iPhone or iPad speakers as possible. This works due to harmonics of the electromagnetic field emitted by the speaker. Although it doesn’t work by sound, higher volume means higher energy electromagnetic radiation (radio wave) emitted, which simulates the atomic clock radio signal..ObiwanBennobiVersion: 1.3.10

Yes, actually works!Works, but HOW you lay the phone against the clock or watch can make the difference between success or failure. Try different orientations of the phone against the clock. The theory on how this works - is that it’s the phone’s speaker WIRES that are transmitting the signal (not sounds from the speaker itself). Google it for a detailed explanation..SteveOregonVersion: 1.3.14

Brilliant solution!My G-Shocks used to sync to atomic time fairly consistently but they’ve had trouble of late. This app saved the day! It doesn’t hurt my ears like I thought it would and works like a charm. Every few days I’ll set the watches out next to my phone and within five minutes they show RCVD. Thanks for the brilliantly simple app!.SF SammyVersion: 1.3.16

BrilliantMy background is engineering, so I am amazed at the ingenuity of this app. As another review stated the 60kHz RF is generated as the 3rd harmonic of a 20 kHz modulated square-wave audio signal whereby the necessary RF seems to occur as spurious radiation at the speaker. Although by placing my iPhone adjacent to my La Crosse clock was sufficient to calibrate the time, I suspect using the earphone jack might provide a stronger signal. Kudos to the developer..WildtramperVersion: 1.3.14

Worked first try with L3 levelsI tried 3 other apps numerous times will fails every time. Bought this one first try. To be honest I didn’t even read the instructions activated my gshock for setting and I hit transmit button. 5 minutes later synced. Worth every penny for $1.99 you can’t go wrong..ThesnowysVersion: 1.3.15

Works!I don’t know what is going on, (weather maybe), but my watch hasn’t synced in two days. I became pretty impatient with that and found out about this app while searching for answers. It really works! What a great idea. So worth a few bucks. I will now use it whenever my watch won’t sync with the tower in the U.S. Great app!.Dguitar3Version: 1.3.14

Works wonderfullyI used this with an iPhone 7 + Casio AWG-M100B to synchronize by simulating WWVB. It worked perfectly! I was skeptical that this would work without an external antenna (using a headphone as a weak antenna), but it actually works just using whatever hardware is inside the phone as a really weak approximation to an antenna (at close range, a couple centimeters, it works just fine!)..FwenomVersion: 1.3.3

Works greatThis is the most reliable solution I've found for setting my radio controlled watch. I live in NY so I'm quite far from any of the official transmitters, making it difficult if not impossible for my watch to pick up the signal. This app does the job..Ben WoodruffVersion: 1.3.14

IncredibleI live on the fringe of the Fort Colins signal and one of my radio controlled watches would only receive the signal if all conditions were perfect once or twice a week. I heard this on a you tube post and figured it was wort a try. It set my watch on the first try. I wish I had known about this sooner..JayessareVersion: 1.3.6

Great App -more people need to know about this appHow come I miss this app. I have too many RC watches and some time I sit next to them and keep them syncing manually and it fails almost all the time. This is a great app. I just synced my Casio Pathfinder and it worked in first shot. I am going to try my rest of Casios and Citizen when I go home tonight..Mahesh aVersion: 1.3.3

Was about to give up on the app….As said, was about to give up up on the app using my iPhone—just couldn’t get it to work. Now I have tried my biggest iPad with the sound wide open and it works perfectly..Chasp44Version: 1.3.16

Works splendidlyI originally tried a free app that was supposed to do the same thing, but it didn’t work. So, I decided to buy this one hoping it’d work and be worth the $2. Thankfully, I can say it is! Works great for my G-Shock whenever I need to maniacally receive the time..ReflekksVersion: 1.3.16

It worked on my atomic wall clockI had success with it working with my atomic wall clock that I have in my kitchen, and another app that was free did not work at all for me. I have a little WeatherStation by lacrosse and it did not work for that, but I’ll keep on trying..PpredhommeVersion: 1.3.14

Worked with Casio G ShockAcquired my first Casio with “Multi Band 6”, module 3159. I was keen to try to radio sync feature It took a couple tries but the app successfully delivered a signal to the watch. On the Casio I have DST (day light savings) set to Auto, and it correctly determined that DST should be “On” from the app.JestergeorgeVersion: 1.3.16

Really Works!It sounds nuts, but it really works. I have a wall clock that usually takes a few days to sync after a battery change. This app synced it in under five minutes..MoosemoosemanVersion: 1.3.16

StunnedI was frustrated that my new office clock wouldn’t sync with the atomic clock. I tried placing it in windows facing West, tried resetting it making sure there was no EMF that should cause interference. I finally downloaded this app as a hail-Mary and was STUNNED to see my clock show sync after a few minutes!!!!!.Rob-in-AlbVersion: 1.3.13

Actually worksI don’t usually leave reviews for apps but this app really works. My g shock has trouble receiving signals in my area and it would never sync but now that I have this app it keeps my watch accurate..Rado1947Version: 1.3.14

Works as advertisedIt took several attempts before a G-Shock watch would sync, but it does work if you place the speaker on top of the top front of the watch (closest to the antenna). After that first sync, it syncs within 2 minutes, sometimes 1..TheScottyPrincipleVersion: 1.3.6

Time Source Not as Accurate as I ThoughtOn the app it says “acquiring time from network”, but there is still a delay compared to the NTP servers. It seems to be just as delayed as system time, who knows if that’s what it is using. I bought this app to get the most accurate time by connecting to an NTP server. Disappointed..RidagstranVersion: 1.3.16

It Works!!Been trying to find a way an alternate sync my newly acquired Casio Oceanus OCW-S100-1AJF and this app works.. just plonked the watch on my iPad and cranked up the volume, after 5mins - sync was successful. Touched the sync button afterwards and it goes to “Y” for successful sync. Get this app if you’re looking to buy a JDM Radio sync watch..AveryoneVersion: 1.3.3

Absolutely works. i was amazed.As echoed by other reviewers here, it absolutely works. in addition to the am wire in the speaker port tip to make it work better, i also have a suggestion. many modern phones no longer come with an audio jack. so i just played to a portable bluetooth speaker and placed it next to the clock. no more taking it outside and leaving it there for a while. if the clock is on a night stand, just place your bluetooth speaker right next to it. no need to move the clock..Rem736Version: 1.3.10

It really works!I was having an issue with my G-Shock watch receiving the atomic time. I was skeptical before buying this app but it worked! Just set your volume all the way up and place your watch directly on the speaker..JKelleyIIIVersion: 1.3.10

Works like a charmI have not been able to get my Casio Rangeman 9400 to receive the time signal so I thought I’d try this app. I was able to get a successful sync the first time I tried it. Took about five minutes..TaylorPlayerVersion: 1.3.13

It works!I live in New Jersey and have never had good luck getting a reliable time signal from Boulder, so I gave up on atomic clocks. I found this app and powered up an old clock and within 5 minutes the clock was synchronized. Great app!.On impulseVersion: 1.3.7

It actually works!I don’t revive atomic time in my apartment in NYC so I when i found this app I couldn’t believe it when it synced. Definitely recommend this app if you find that you can’t normally sync with the atomic time!.Syntax._Version: 1.3.9

It works!My Citizen eco-drive atomic watch has never once been able to receive the WWVB signal here in Washington, D.C. However, it was finally able to sync with the atomic time using Clock Wave. This app is such a clever solution to the problem..CcglenVersion: 1.3.7

Works with iPhone X and SeikoI was about to write this off but then I realized the sound was coming out of my EarPods. Once I put them away and the sound was coming out of my iPhone X, it registered a high signal right away.College summerVersion: 1.3.6

Better than JJY SimulatorBetter than the free JJY Simulator which often failed to sync my citizen PMD56-2952. (Needed to lower UTC offset by -2 to account for Day light savings time).Camo squadVersion: 1.3.3

Great for travelingHadn’t downloaded before as being just 1000 miles from Ft Collins I get good night reception WWVB. 100% success with recent tests. Even using wired lightning apple ear buds works perfect !.Sailor nickyVersion: 1.3.16

Works as advertisedI live too far away to get the WWVB signal. This app allows me to synchronise the watch..K w wongVersion: 1.3.3

Second attempt worked like a charmI’m in Ontario Canada, and my new G-Shock (GW-9110) wouldn’t sync to Fort Collins. This is the first radio controlled watch I’ve had that wouldn’t find the signal… this app solved the issue. First attempt failed, but second attempt worked - took about 5 minutes. Worth the $3.MusclebillVersion: 1.3.15

I’m flummoxed it works lolI must admit I was very skeptical about this app. But I just set it to my time zone & set the app to Fort Collins then forced it to Fort Collins on my LadWeather 017 radio master then low and behold after a few minutes it was set to the correct time!!! I’m simply amazed lol.Im not Gordon RamsayVersion: 1.3.13

Works for my Casio multi band 6No gimmick, just press transmit and wait.TianlechentianlechenVersion: 1.3.13

WOW it’s working with my gshock gwm 5610Seriously I can’t believe it’s working. I thought it was a gimmick just like a lot of apps that don’t do what they’re supposed to do. Thank you Developers, it be nice to see an update for iOS 14 though it’s compatible at the moment. 😊.PlanteMichelVersion: 1.3.10

Your Multi Band 6 Problems Are Over!This is an outstanding App. That will synchronize clocks and watches that are set up to receive such signals. It work flawlessly in my opinion and I really think Casio should buy and supply this app for free to their customers so even if they are out of AtomicClock radio sync range customers could sync their watches. Anywhere in the world! Highly Recommended *****.Safe n Nova ScotiaVersion: 1.3.10

It actually worked!I can confirm that this app is awesome and works perfect. My watch had never synced for atomic time and until now thought I had a fake watch. This app is great!.Duder12345372949382Version: 1.3.10

Great workPlease keep this app amazing for those who are too far away from a real station.Alyeska1989Version: 1.3.10

The App WorksI was skeptic at first but it works. I have a Casio G-Shock GW7900 (3200). Some atomic radio signal watches must also have a speaker in addition to a radio antenna. Start the app, crank up your phone volume to maximum, and point your phone towards your watch at close range (almost touching). I had my phone pointed at the right side of my watch..EddieSixtyNineVersion: 1.3.7

Casio/Citizen Atomic watches.I just purchased this App 10 mins ago and was able to receive the signals and set my watches. The Casio watch was never able to receive the signal before. This App is perfect. Yes PERFECT. Thank you!.Ralph3075Version: 1.3.6

Great application. Does what is says.Don't know how you did it but this is a fantastic use of the iPhone capabilities to solve a common problem. Works like a charm with my new Citizen watch..JecorcorVersion: 1.3.6

WorkWork with my gw9400. Cant get atomic time where i live. This does the trick..SimonnnnnnsssVersion: 1.3.6

It works!!!My room’s reception of the WWVB signal is not reliable. This app solves the problem. Thank you..Raymond K.Version: 1.3.3

Amazing appI live in Montreal and do not receive radio signals from Fort Collins, Colorado. This app solved the issue..Glendon666Version: 1.3.3

Work as expectedI did work the first time I used it. Recommended..Dany LavoieVersion: 1.3.3

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Clock Wave Negative Reviews

Worked great! Until it destroyed my speakerI’ve been using this app on a daily basis for 4-5 months and it’s worked great! I think it works by overdriving the phone speaker (top of screen) to create the signal. But today, my phone speaker died. I am sure it has to do with overworking it from the app, just wish I knew it was damaging the speaker Everytime I used it..ISayRwarVersion: 1.3.16

Can not receive proper DCF77 signalHaving a problem syncing with MST, always syncs to the time zone 8 hours ahead..Kernel KrunchVersion: 1.3.5

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