App Customer
Service

Theodolite HD Customer Service

About Theodolite HD (Craig Hunter)

Theodolite HD is a multi-function viewfinder that combines a compass, two-axis inclinometer, rangefinder, GPS, map, nav calculator, and geo-overlay photo/movie camera into one indispensable app. Theodolite was one of the very first augmented reality (AR) apps when it was released in 2009, and it’s been downloaded and used by millions of customers since then. Uses are endless, and the app is great for land measurements, outdoor sports, sightseeing, navigation, and finding your way around. Theodolite is a pro grade app and is used extensively by surveyors, geologists, architects, engineers, competitive sportsmen, first responders, military personnel, and search and rescue workers around the world.
Theodolite lets you take data-overlay photos and movies with 2X-8X zoom. Overlay geographical data, angle markings, date/time, author/company info, and project notes directly on photos and movies for later reference. The same data is written into the metadata record of images, making image files self-contained data records. Third-party apps can tap into Theodolite's advanced camera functions with a camera sharing feature.

View current position on the built-in map with optional offline Outdoors maps that include topo contours, roads, trails, landmarks, campgrounds, ski lifts, and more. Live map markers continually update distance/heading relative to the current location and also show wayfinding info in the main viewfinder. Draw polygons on the map to mark things like property boundaries and trails, and import/export polygon data via KML.

Share map markers and nav calculator points with other users of Theodolite via text messages or e-mail. This powerful capability opens up a wide range of collaborative uses including team land surveying, accident investigations, spotting wild fires, triangulation of landmarks, and advanced tactical observation and targeting. With an optional in-app purchase to enable team tracking, you can share location with up to 20 people on Theodolite's map.

Theodolite includes features for serious users like a reference angle mode, nav calculator, map marker import/export, manual and automatic data logging with CSV and KML export, clipboard integration, %grade display, mil compass readout, optical rangefinders (including a mil-based reticle, sniper-style stadiametric graphs, and a variable 4X-24X scope), and night filters to improve use in dark conditions.

Theodolite can provide location in military grid reference system (MGRS) coordinates, Universal Transverse Mercator (UTM) coordinates, British/Irish National Grids, US National Grid, Maidenhead locator system, Map Grid of Australia, and six latitude/longitude formats. Optional US State Plane coordinates include SPCS27 and SPCS83 zones covering all US States. The optional Datum Pack adds over 230 geodetic datums to the app to improve position computation from GPS data, covering regions and countries on all continents around the world.

AR Layers include navigational aids like the sun, moon, planets, and Polaris (North star), and the optional US Mountain Summits layer that shows over 70,000 US mountain summits in the viewfinder.

Theodolite has been shown in Apple Keynotes, featured on the App Store, and has been a #1 selling Navigation app in App Stores around the world. Since its introduction in 2009, Theodolite has defined augmented reality navigation. The app continually introduces new technologies, pushing the limits of iOS app development and taking advantage of new hardware capabilities.

Find out why Apple named Theodolite one of the most amazing apps available and showed it being used to explore the Great Wall of China. Where will you take it on your next adventure?

Note: Theodolite HD is an iPad app -- see the regular “Theodolite” app for use on an iPhone or iPod Touch. And be sure to check out the all-new "Theodolite for Watch" and put Theodolite on your wrist!
CategoryNavigation
Release DateMarch 15, 2011
Latest Version9.1
Price$8.99
Age Rating4+
CompatibilityRequires iOS 15.6
Last UpdatedJune 30, 2025
Size30 MB
Supported Languages (1)
English

What's New in Theodolite HD (v9.1)

New measure tool on map screen to compute distance and heading. Polygon popup label now includes perimeter length. Enlarged size of touch target for camera shutter button to include entire lower corner of screen for easier taps. Options to control specific geo-data elements included in photo/movie overlay. Revised rangefinder code for better fidelity on multi-lens camera systems. Fixed issue where certain characters in map marker titles would cause problems for KML export to Google Earth. Updated camera sharing feature that allows other apps to use Theodolite's camera for image & data capture. Minor bug fixes and tweaks.

Theodolite HD Contact Information

To reach Theodolite HD customer service and technical support, use the official channels below. For the fastest reply, choose the developer's official website.

Company NameCraig Hunter
Company Websitehrtapps.com
Company Email[email protected]
Customer Servicehrtapps.com/help
Social MediaFacebook / Twitter

Theodolite HD Subscription, App Deletion & iOS Support

How do I cancel the Theodolite HD subscription?

Open Settings on your iPhone or iPad, tap your Apple ID (your name) at the top, go to Subscriptions, select Theodolite HD from the list and tap Cancel Subscription. Cancellation takes effect at the end of the current billing period; you can keep using the app until then. See Apple's official subscription management page for details.

How do I delete the Theodolite HD app?

Touch and hold the Theodolite HD icon on the Home Screen, choose Remove App and then Delete App. Important: if you have an active subscription, deleting the app does not cancel it automatically - you must first cancel your subscription using the steps above.

Theodolite HD purchases, refunds and billing issues

Report billing or refund requests for Theodolite HD through Apple's Report a Problem (reportaproblem.apple.com). For the app's own technical support and contact, use the developer's official website or the Theodolite HD App Store page.

Distribution of Theodolite HD Reviews

Of the last 80 reviews shown, 95% are positive (4–5★) and 5% negative (1–3★). App Store overall rating: 4.7 / 5

5★ 66
4★ 10
3★ 1
2★ 1
1★ 2
Most mentioned:toolipadusefuliphoneeasyexcellentfieldpaydataphoto

Theodolite HD Positive Reviews and Ratings

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Genealogy Tool

We use Theodolite to take pictures of cemetery headstones and other family history sites to augment our family history information. The imprinted information helps others locate historical site more accurately rather than from notes like near the big tree, near a gate, along the third driveway, etc. Since most cellphones have GPS capabilities, a Theodolite picture can help someone find a relevant place more easily. Also, as the chairman of a small cemetery, I take a picture of each headstone and place that picture in the plot file. Now I can respond to an inquiry with a photo that has the location information. Thank you to the folks who make Theodolite, what a great tool.

Accuracy fanVersion: 6.1.2
Even if you’re not a surveyor

First of all, this app has a beautifully executed and intuitive user interface. IMO, everybody, even if they never leave the city, need to know the basics of how to use a map and compass. If a 12 year old Boy Scout can, so can you. It might even save your life one day. This tool is so easy and pleasant to use that practically anyone who took middle school geometry will know how to use it without even looking at the help. But “what use could I possibly have for it ?” you ask. Look around, you’ll see. If nothing else it’s a fun way to help a kid understand geometry, which is essential knowledge, like knowing how to add and subtract.

Algonquin esquimauxVersion: 9.0.3
One Amazing piece of kit!

I bought this my Nav App back when it was iPhone 4 and it’s always one of the first apps I download now. If you’ve ever wanted to get your bearings, this is THE go to app. Easy to use, and packed with features ensure you won’t get lost, or can pinpoint that particular spot repeatedly. Take multiple readings to find that specific point in 3D space. I dream that one day this interface will be overlaid with the interface for FILMic Pro to make an advanced professional camera for Cinema shooting.

DutchNeb58Version: 6.1.2
Theodolite

I have had this app for several years and they keep upgrading it and making it even better. We have used it many times. Example making gold mine boundaries, or finding property lines, or getting info for earth excavation, or seeing if something is horizontal. It has proved very accurate and well worth keeping on the pad/phone. I can not say enough about my joy using this app. Makes many jibes very easy.

Iceman 99Version: 6.1
Suggestion

Love the app. Use it for photography scouting on iPad. Please update and include user definable film frame that can simulate various lens focal lengths and chip or film sizes. Right now it is just wide angle and it would be so much more helpful for simulations. The pictures could be used for story boarding feature films as well. Right now I want to simulate a location shoot for a year away of a total eclipse of the sun that includes a unique landscape as the foreground.

BFHunterVersion: 5.0
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Pretty good for what it is

I'm not I. The habit of writing reviews , in fact I think this is my second one . The app is pretty good for what it is , however I have one underlying complaint the in app purchases chiefly buying tiles . The state plane coordinates I can understand, the amount of tiles necessary to do even the simplest task is Too outrageous. Cmon guys . Really . Yes I understand it takes time and money to produce a worthwhile app but you could up the amount of tiles needed to cover a decent survey grid .then I would give you 5 stars .

RMS77777Version: 5.0
Great app

There are too few apps that live up to the quality of this one. To the developers, thank you. I hope you can keep pace with all the iOS updates. Thank you all! Keep the fine work up. Should you choose to expand into some elaborate audio recording that joins the video recording it could greatly expand the abilities and usefulness of the excellent application.

HD download for allVersion: 6.1
Theodolite - Outstanding App

Been using this at sea for the past several years and am always impressed. Can be used for celestial navigation finding gyro error. Debating whether or not to request a speed readout or not, but that may cause too much clutter on the display and not needed for terrestrial navigation or surveying. All in all a great app.

Ishmael16Version: 5.0
Excellent !

I'm a geologist and I've been using this on both my iPhone and iPad since it first came out. It's excellent! I use it in the field all of the time to document projects as well as perform basic surveying. The updates are timely and the speed to take the screenshots is great. Oh and I also use this when I go hiking and camping.

EMoellerVersion: 5.0
Theodolite Review

I’m an attorney. It’s a magnificent site to take pictures with absolute proof of where, when and all possible specifics of the shot. If I have one tiny issue, it’s that occasionally the camera is upside down and won’t flip. It may be the iPad’s fault and not Theodolite’s; but I can live with that.

Gracci BrotherVersion: 6.1
Great App

As I travel quite a bit, just being able to check out the ‘Altitude’ on a moments notice, as well as documenting your location is really handy- Also, being able to transmit my location to my friends is important to me!

SegosendVersion: 6.1
Unique and Useful

Theodolite is unique in all the data it supplies. If you have a need for establishing location points, elevation and perspective, it fulfills all these functions. The camera feature makes record keeping easy and accurate.

River ManVersion: 6.0
Well worth it!

I am an application developer and this is the only application that I have purchased for my iPad. The functionality of watermarking photos with all of the date, time, position and viewpoint data makes this a killer app for natural resource professionals and wildland fire fighters.

Photo points made simpleVersion: 5.0
Great Field Work Tool

This is a wonderful field tool. It is flexible and easy to use. Being able to photograph a site with detailed site data overlaid is fabulous! This is a tool that everyone who does any work or sports outdoors. From archaeologists to zoologists this is a must have app!

SF PresidioVersion: 6.1.1
Standard classic

There are times when I need this app and there aren’t any others that can come close. One of the first Photo apps that I ever installed, and I am still using it. Its wonderful for surveying features in the historic cemetery that I manage.

Dire WolfVersion: 6.0
Celestial navigator

Used this app for celestial navigation, running fix on the Moon and Jupiter, one shot on Aldebaran. Error only 28 miles to SW, less than 1/2 Degree. Would be better in non light polluted area with more practice. (Second try): 17 mile error to SSW, running fix on Moon and Jupiter.

USN SQUIDVersion: 6.0
Review

I find that it is very easy to take photo which tells me the time of day,location, elevation and the view. I use it when traveling to record the locations on trips and events.

Dd730cVersion: 6.0
Excellent product

This app makes the job as an Accident Investigator much easier not having to spend so much time gathering the information that is provided with one picture.

Pick 386Version: 6.0
Theotolite

Has many useful features particularly the ability to add date/time and notes to the picture itself.

SRYNidanVersion: 6.1.1
Problem today is fixed. Thanks.

Thanks for the quick fix. 5 stars!

Steve C. in ColoradoVersion: 9.0.1
Very Slick App

I've had this app on my iPhone and iPad for several years. It's one of the most precise and impressive apps I own. Every time I use it I discover some new feature or technique I can use.

D_Hanson54Version: 5.0
Useful documentation

The app has become very useful for improving my field notions and data gathering! Very pleased with and recommend for anyone wanting to develop better standards of field data documention.

GeodejohnVersion: 9.0.3
Theodolite review

Excellent software. Very versatile and packed with data capabilities I can and do use frequently. Extremely useful for recording positional attributes of any point of interest.

Maynard BoliviaVersion: 6.0
Great app for survey and back country flying

This is a very useful app. It has excellent features, is fairly intuitive, and very powerful.

Nameless pleased userVersion: 8.2.2
Just getting started

...but the help app is lucid and well thought out. Augurs well. More when I’ve done more. I appreciate the author keeping the app up.

GusAndCallVersion: 6.0
Survey Like A Pro!

Easy to learn, easy to use! Please add option of setting different color flags instead of just red ones. Thank you!

CC&PicoVersion: 6.0
Just keeps getting better

Offline Maps! Finally.

BandBRadio891Version: 5.0
Theodolite review

For the time I've used this app it has worked great for on the spot measurements. I combined it with Geocoded digital photography while we travel.

LCowdenVersion: 6.0
Love-Love-Love Theodolite!!!

This is far and away the best GPS app I own... And I own a lot of GPS apps. I do a lot of field work for my work. The Theodolite app is my favorite and MotionX (on my iPad) is my next favorite.

IIIrdRealmVersion: 5.0
Perfect

I tried thinking what needs to be added or improved, and I came up with nothing. This app is awesome

WalkerC68Version: 6.1.2
A great useful app

This app does it all if you are looking for GPS position, altitude , levels and a compass. Easy to use. Best in this category I have seen

Semones100Version: 5.0
Very professional look

Impressive in looks and operation. Very helpful in quickly documenting site facts for sharing.

JsprinkleVersion: 6.0
Turns your iPad into a mapping survey instrument.

Really cool product that shows the power of an iPad and some pretty cool programmers. Looking forward to using this app.

CFI2FlyVersion: 5.0
Great Tool

I use Theodolite regularly, both personally and in my job. Highly recommend it.

Fireking61Version: 6.0
Does everything I need it to do!

Great app, I have recommended it to several people.

SS@XVGVersion: 6.1.2
Good tool!

Very useful for rough locations. I also use it for some demonstrations when teaching surveying.

WTadPfVersion: 6.1.2
Bargain

Where could you buy a device with this sophistication for $3.99.

Scappoose IndianVersion: 6.1
Theodolite keeps getting better!

Theodolite just keeps getting better. Great for field studies.

Dragon3364Version: 6.1
Fascinating App

From picture hanging to landscaping there is no end to the ways you can imagine to use this app. Great fun!

JeffjmrVersion: 8.2
Don't need this every day...

...but when you do, it has just about every tool you need for measuring the world around you.

PwmeekVersion: 6.0
Damage Plan

I use this tool in my damage assessments, as well as landing coordinates for medical helicopters. Great tool easy to access.

JCEM501Version: 6.1.1
Awesome tool

This is absolutely wonderful for a great quick survey. Easy to use. Very intuitive.

BartCCVersion: 6.0
Great App

Have uses it for years for field navigation.

Groundhog0369Version: 5.0
Great tool

Very useful for relating landscape features to maps

Home Baked EntertainmentVersion: 6.0
Top notch

Fantastic app and even better customer support!

JKruVersion: 5.0
Awesome

It does a lot of things like a surveyor transit will do. Very handy.

Pilot RedVersion: 6.1.2
Impressive!

This app consistently impresses me every time I use it.

Low-boyVersion: 5.0
Works well.

Needs simplified.

KDD1948Version: 6.1
The best for sure !

Incredible app

Normand RichardVersion: 8.2.2
Love it

Photos in reports look fantastic with info imprinted

KydakaVersion: 6.1.2
Great app!

This app is useful if you want to have the coordinates of a photo appear on an image.

742580Version: 6.1.2
Theodolite

Très bonne application. La précision d’altitude pourrait être améliorer

Papou422Version: 6.0
Excellent App

An excellent with even better customer service!

Walleye2388Version: 6.1
Superb app

Since finding Theodolite I have used it more than the device camera, each photo has a wealth of useful reference data which comes in handy when writing up your field notes If you work outdoors it's a must have app

Better than a cameraVersion: 6.0
A fantastically useful app, but...

... I am surprised that there are separate versions to purchase for the iPhone and iPad. I have made great use of this app on my iPad mini, and finally moving to an iPhone was disappointed that this was the only app of many that did not come over to the new device without purchasing it a second time. If, for whatever reason, there were capability differences between the platforms, I would understand, but it seems they are identical. This is the sole reason that I did not rate this as five stars ( and would give it six for the unique abilities it has), and would happily change it from four to five if the two versions were sync he'd together.

DkennerVersion: 5.0
Theodolite

Does everything I need for around the property

Papakilo.nsVersion: 5.0
Scouting

It's an invaluable tool for scouting and with the aid of an iPad stand it's even possible to use as an electronic transit.

Happy scoutingVersion: 4.0.1
Excellent App!

I use this app regularly. Particularly useful for my landscape photography.

Montmorency69Version: 4.0.1
IOS 7.0 compatible?

As soon as I downloaded the update I have not been able to bring up Theodolite. I use it for work all the time and am wondering if it is an update issue. Up to this point I have been real happy with the product and have had numerous friends purchase it.

Firefly0004Version: 3.2
Know where you were and when

That ability to store geo tagged photos which includes elevation and compass bearing has been transformational in the construction industry. Used as evidence, there is no longer an opportunity for argument over when or where something captured in the photo happened. These features are invaluable.

Geotag Me!Version: 4.0.1
Amazing app

Does so much it's a tool box of Profesional tools for $6.99 my biggest problem is understanding the wonderful tool. It's a great app buy it!!!

Mike MacdonaldVersion: 4.0
Theodolite HD

This is a fantastic app for anyone who has to do field inspections where photo documentation is required. It is now a must have app for all my field staff and is recommended by more and more land based consulting companies in the area. The captions on the photos can be tailored to capture only the data you need for the work you do.

Dave from Lac La bicheVersion: 4.0
Fav app!

I use this app all the time. By far one of my favs. Awesome app!

Fig.11Version: 4.0
Excellent app

Very useful and worth every penny.

Thak56Version: 4.0
Very powerful

Excellent app. Nice and powerful

Les nomadesVersion: 3.0
Great app

Fun app, great little tool

Cag103Version: 3.0
Gear product

Thorough and well put together. Well worth the money

FangtacularVersion: 3.0
Fantastic!!!

Sniper range scale a great addition!

Maybe616Version: 3.0
Pilot

Works great! Helps me save technical data photos of areas or places I want to remember.

Pieter123KosterVersion: 2.7
Superb App

No disappointment !!!

ChishibaVersion: 2.7
Just get it

It will be one of the bests apps you have. You won't be disappointed.

Shaino2011Version: 2.7
Great product

Works exactly as stated - use it all the time - beats all other products in its class.

BnightingVersion: 2.7
Very slick

Very cool app, works great!

ScrewthisjunkVersion: 2.6.3
Good

Super app

MaxturtlemaxVersion: 2.6.3
Application

Magnifique application, il faudrait considérer ajouter de l'information relative. Je la conseille à toutes mes connaissances. Bravo !

MichelquebVersion: 2.6.1
Great app!

Very nice app to use!

Aid848Version: 2.5.1

Theodolite HD Negative Reviews and Ratings

Great App, but offline maps are very expensive

I've always liked this app for site survey of local obscura and the like. Since they added the offline map function I thought it would be a great hiking add (like a GPS). I like using my iPad as a GPS even though I know its big. the large screen is really nice for looking at the local terrain. The capability to download offline maps is very attractive so I bought 100,000 tile credits for $15 to download maps for hiking. I defined the area of one local park/hiking are to download and found that 100,000 tiles was not enough! I did a test and found I need about 10 tiles just to cover an area the size of my house and yard. A fine app but does not make dollars and sense for the average hiker. For $100 I can buy detailed maps for my GPS that cover NM, AZ, UT, and CO. At Theodolite prices, $100 would buy offline maps for about 1 county

Light&SoundVersion: 5.0
Problem with iPhone X

Hi, I have encountered a problem using this app on the iPhone X. After using the Theodolite app(version 6.0) to snap a photo, I cannot get out of the app unless I power off the iPhone X. I cannot use the swipe mechanism to exit the app. There is no button on the iPhone X for exiting. So I am stuck in the Theodolite app until I shutdown and restart the iPhone. This is truly a pain. Can this be fixed? Thanks

DeeTeeEmVersion: 6.0
Pay and Pay

I'm not real happy I paid for this on my iPad and would have to pay again to use it on my iPhone 6+. Also have to pay for maps, pay for state plane coordinates, pay, pay, pay....

SnerbalVersion: 5.0
Still no universal app with this new version

After nearly a year of development, the iPhone and iPad apps are still separate apps. With iCloud becoming standard amongst developers this could have been hugely beneficial for this app. As of now, if you want datum packs, you need to pay twice for both of your devices. If you want team tracking, pay twice. If you add markers on your phone, you won't see them on your iPad. And so on.... The fit and polish of the app is superb. I feel confident that my measurements are as accurate as the device can give. Nonetheless, there is no excuse for not merging both apps. They look exactly the same. It's not like there was a different tablet UX.

BrioPackVersion: 6.1.2

Theodolite HD Screenshots

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