Crypto String vs VaultPony
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Crypto String
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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 โ all 100% offline and private. Core Features โข AES-256-GCM Encryption โ Military-grade algorithm with custom keys for unique results โข Base64 Encode/Decode โ Fast and reliable for data transmission and storage โข File Import โ Directly import text/keys from local files or iCloud Drive โข Smart Key Management โ Import keys + eye-icon toggle to view/hide safely โข History Records โ Auto-save last 10 operations with key hints (only first 4 chars) โข Multilingual Interface โ Automatic language switching โข Dark Mode + iOS Native โ Built with Apple CryptoKit for maximum security Security First โข 100% Local Processing โ Nothing uploaded to cloud โข No data collection, no accounts, no tracking โข Keys never stored in plain text โข 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!
VaultPony
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VaultPony creates and opens encrypted containers on iPhone and iPad. A vault is a single encrypted file that holds a private filesystem, and only your password opens it. The containers are compatible with VeraCrypt, so you can open the same vaults on the desktop and back. There is no account, no cloud, and no network access. Your vaults are just files, kept wherever you choose, On My iPhone, iCloud Drive, or a third-party storage provider. Features: Create and open VeraCrypt-compatible containers, with a choice of cipher, hash, and filesystem (FAT or exFAT). Hidden volumes: conceal a second vault inside the first. Two passwords, and the outer one gives no sign the hidden one exists. The outer volume can be write-protected so normal use will not overwrite the hidden data. Header backup and recovery, in-place password change, and keyfiles. Face ID unlock, auto-lock when the app leaves the foreground, a privacy screen that hides vault content in the app switcher, and a no-trace mode that never writes decrypted content outside the vault. A full split-view layout on iPad; browse and preview side by side. Localized in English, German, Spanish, French, Russian, and Brazilian Portuguese. VaultPony is free and open source, built on a shared Rust core you can inspect. It is not affiliated with or endorsed by IDRIX; VeraCrypt is a registered trademark of IDRIX.
Screenshots
Verdict
The clearest difference is price: VaultPony at Free against Crypto String's $0.99. VaultPony also leads on update cadence (every 2 weeks vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
VaultPony is free to download; Crypto String costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Crypto String ships an update every 4 months, VaultPony every 2 weeks. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.
| Parameter | Crypto String | VaultPony |
|---|---|---|
| Price | $0.99 | Free โ better |
| Update frequency | Every 4 months | Every 2 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 โ better |
| Further details โ not scored | ||
| Size | 0 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Xu Wang | Kevin Stewart |
In-app purchases
Crypto String
No in-app purchases
VaultPony
No in-app purchases








