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Crypto String - AES Encrypt Customer Service

About Crypto String - AES Encrypt (Xu Wang)

Crypto String is the ultimate secure text encryption app using military-grade AES-256-GCM with authentication. Protect your sensitive information with powerful encryption and Base64 encoding — all 100% offline and private.

Core Features
• AES-256-GCM Encryption – Military-grade algorithm with custom keys for unique results
• Base64 Encode/Decode – Fast and reliable for data transmission and storage
• File Import – Directly import text/keys from local files or iCloud Drive
• Smart Key Management – Import keys + eye-icon toggle to view/hide safely
• History Records – Auto-save last 10 operations with key hints (only first 4 chars)
• Bilingual Interface – Full English & Simplified Chinese support
• Dark Mode + iOS Native – Built with Apple CryptoKit for maximum security
Security First
• 100% Local Processing – Nothing uploaded to cloud
• No data collection, no accounts, no tracking
• Keys never stored in plain text
• One-time purchase, no ads, no subscriptions

Perfect for protecting passwords, notes, private messages, or business data. Simple, fast, and truly private.

Download Crypto String now and encrypt with confidence!
CategoryUtilities
Release DateOctober 29, 2025
Latest Version1.0.4
Price$0.99
Age Rating4+
CompatibilityRequires iOS 18.0
Last UpdatedMarch 13, 2026
Size1 MB
Supported Languages (2)
EnglishChinese

What's New in Crypto String - AES Encrypt (v1.0.4)

fix bugs

Crypto String - AES Encrypt Contact Information

To reach Crypto String - AES Encrypt customer service and technical support, use the official channels below. For the fastest reply, choose the developer's official website.

Company NameXu Wang
Company EmailComing soon...
Customer ServiceComing soon...
Social MediaFacebook / Twitter

Crypto String - AES Encrypt Subscription, App Deletion & iOS Support

How do I cancel the Crypto String - AES Encrypt subscription?

Open Settings on your iPhone or iPad, tap your Apple ID (your name) at the top, go to Subscriptions, select Crypto String - AES Encrypt 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 Crypto String - AES Encrypt app?

Touch and hold the Crypto String - AES Encrypt 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.

Crypto String - AES Encrypt purchases, refunds and billing issues

Report billing or refund requests for Crypto String - AES Encrypt through Apple's Report a Problem (reportaproblem.apple.com). For the app's own technical support and contact, use the contact information above or the Crypto String - AES Encrypt App Store page.

Crypto String - AES Encrypt Positive Reviews and Ratings

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