Comparison

AES256 Encrypt and Decrypt 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

AES256 Encrypt and Decrypt

This utility encrypts and decrypts data using the robust AES256 algorithm with a 256-bit key and GCM mode. It offers strong password protection to safeguard sensitive information from unauthorized access, making it ideal for securing personal and financial data.

Highlights
  • AES256 encryption/decryption
  • 256-bit key length
  • GCM mode support
  • Strong password protection
  • Easy to use interface
  • Secure sensitive data
Features
Read full description

AES256 encrypt and decrypt is a powerful and secure application that encrypts and decrypts data using the AES256 algorithm. It is easy to use and protects your sensitive data from unauthorized access. FEATURES: Encrypts and decrypts data with a 256-bit key length and GCM mode Provides strong passwords to protect data Easy to use Secure USE CASES: Protect sensitive data, such as passwords, financial information, and personal information Secure data in transit Download AES256 encrypt and decrypt today to protect your data securely!

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

AES256 Encrypt and Decrypt4 screens
Crypto String3 screens

Verdict

The call

The clearest difference is price: AES256 Encrypt and Decrypt at Free against Crypto String's $0.99. AES256 Encrypt and Decrypt also leads on update cadence (every 8 days vs every 4 months) and iOS requirement (13.0 vs 18.0). Crypto String's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

AES256 Encrypt and Decrypt is free to download; Crypto String costs $0.99 up front. AES256 Encrypt and Decrypt sells 1 one-off in-app purchase. Crypto String asks for nothing beyond the download.

UpkeepUpdate frequency

AES256 Encrypt and Decrypt ships an update every 8 days, Crypto String every 4 months. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

Scorecard4 real differences · 6 level
AES256 Encrypt and Decrypt versus Crypto String: the parameters behind the verdict, then further details
ParameterAES256 Encrypt and DecryptCrypto String
PriceFree — better$0.99
Rating4.0 (4 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 8 days — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size5 MB0 MB
Age rating4+4+
DeveloperLe VuXu Wang

In-app purchases

1 purchases

AES256 Encrypt and Decrypt

One-time1
  • Remove Ads$0.99
None

Crypto String

No in-app purchases

Questions

Is AES256 Encrypt and Decrypt free?
AES256 Encrypt and Decrypt is free to download, with in-app purchases available.
Is Crypto String free?
Crypto String costs $0.99, with no in-app purchases.
Do AES256 Encrypt and Decrypt or Crypto String have ads?
Neither AES256 Encrypt and Decrypt nor Crypto String shows ads.
Which is updated more often, AES256 Encrypt and Decrypt or Crypto String?
AES256 Encrypt and Decrypt ships an update every 8 days, and Crypto String every 4 months. Most recently, AES256 Encrypt and Decrypt was updated on September 8, 2026 and Crypto String on September 19, 2026.

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