Comparison

CryptoBox Pro vs Crypto String

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CryptoBox Pro

Features
Read full description

CryptoBox: Secure File & Message Encryption Protect your sensitive files and messages with military-grade encryption using CryptoBox, your personal encryption vault. Featuring state-of-the-art AES-GCM and ChaCha20-Poly1305 encryption algorithms, CryptoBox offers a seamless and secure way to protect your private data. Key Features: Advanced Encryption Technologies AES-GCM (Galois/Counter Mode) encryption providing both confidentiality and authenticity ChaCha20-Poly1305 modern stream cipher with robust authentication Secure key derivation and management system Zero-knowledge encryption - your keys never leave your device Intuitive File Protection Encrypt any type of file: documents, photos, videos, and more Simple drag-and-drop interface for file selection Direct photo library integration Instant file size and format verification Secure file sharing capabilities Message Security Encrypt sensitive text messages and information Save encrypted message templates for frequent use Customizable message categories (Personal, Work, Financial) Quick copy-paste functionality for encrypted content Smart Key Management Built-in secure password generator Password strength indicator with real-time feedback Key history tracking for better organization QR code support for secure key sharing Import/Export encryption keys securely Operation History & Management Detailed operation logging with timestamps Track file sizes before and after encryption Complete operation history with source and output information Easy deletion of individual or all history items Clear visual indicators for encryption status Modern User Interface Clean, iOS-native design Dark mode support Intuitive gesture-based controls Real-time processing indicators Accessibility features included Privacy & Security No data collection or tracking All operations performed locally on device Secure key storage using iOS Keychain Automatic sensitive data cleanup Support for Face ID/Touch ID authentication Professional Features Perfect for business professionals handling sensitive data Ideal for healthcare providers managing patient information Essential for legal professionals protecting client documents Valuable for anyone wanting to secure personal information Technical Specifications: Supports iOS 15.0 and later Universal app optimized for iPhone Minimal storage requirements Fast, efficient processing Regular security updates Perfect For: Business professionals Healthcare providers Legal practitioners Privacy-conscious individuals Anyone handling sensitive information CryptoBox combines powerful encryption technology with an elegant, user-friendly interface to provide uncompromising security for your sensitive files and messages. Whether you're protecting business documents, personal photos, or confidential messages, CryptoBox ensures your data remains private and secure. Download CryptoBox today and experience peace of mind knowing your sensitive information is protected by industry-standard encryption technology. #Privacy #Security #Encryption #DataProtection #iOS Note: This app uses strong encryption and complies with all applicable privacy and security regulations.

About

Crypto String

Features
Read full description

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) • Multilingual Interface – Automatic language switching • 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!

Screenshots

CryptoBox Pro4 screens
Crypto String3 screens

Verdict

The call

The clearest difference is price: CryptoBox Pro at Free against Crypto String's $0.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

CryptoBox Pro is free to download; Crypto String costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference Ā· 5 level
CryptoBox Pro versus Crypto String: the parameters behind the verdict, then further details
ParameterCryptoBox ProCrypto String
PriceFree — better$0.99
Update frequency—Every 4 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad — better
Requires iOS18.218.0 — better
Further details — not scored
Size3 MB0 MB
Age rating4+4+
DeveloperManinder Singh GillXu Wang

In-app purchases

None

CryptoBox Pro

No in-app purchases

None

Crypto String

No in-app purchases

Questions

Is CryptoBox Pro free?
CryptoBox Pro is free to download, with no in-app purchases.
Is Crypto String free?
Crypto String costs $0.99, with no in-app purchases.
Do CryptoBox Pro or Crypto String have ads?
Neither CryptoBox Pro nor Crypto String shows ads.

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