# Crypto Tools (De)Encryption vs Syncster Mason ToDo

The clearest difference is in-app purchases: Syncster Mason ToDo at none against Crypto Tools (De)Encryption's 2. Syncster Mason ToDo also leads on iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Crypto Tools (De)Encryption sells 2 in-app purchases, starting at $1.99 per month. Syncster Mason ToDo asks for nothing beyond the download.

Crypto Tools (De)Encryption ships an update every 4 months, Syncster Mason ToDo every 6 months. The most recent releases landed on June 8, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Crypto Tools (De)Encryption | Syncster Mason ToDo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crypto-tools-deencryption/id1670173533/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Freemium | — |
| Size | 18 MB | 1 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HUBO SOFT](https://appshunter.io/developer/537026470) | [Alexius Academia](https://appshunter.io/developer/1209840214) |

## What reviewers say

### Crypto Tools (De)Encryption

[App page](https://appshunter.io/ios/app/crypto-tools-deencryption/id1670173533)

This app offers a comprehensive suite of cryptographic tools for Apple devices, including encryption, decryption, key management, and certificate analysis. It's designed for developers, security professionals, and technical learners to inspect, validate, and manage sensitive data locally with precision.

**Highlights:** Encrypt and decrypt data with AES-256-GCM, Generate, import, inspect, and manage cryptographic keys, Parse and analyze ASN.1 structures and certificates, Analyze and verify Apple Sign-In JWTs, Validate and generate JWS, Work with JWT, JWS, and JWE flows, QR code workflows and PKPass tooling

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly membership | $1.99 | per month |
| Annual membership | $17.99 | per year |


### Syncster Mason ToDo

[App page](https://appshunter.io/ios/app/syncster-mason-todo/id6469999060)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Crypto Tools (De)Encryption free?

Crypto Tools (De)Encryption is free to download, with in-app purchases available.

### Is Syncster Mason ToDo free?

Syncster Mason ToDo is free to download, with no in-app purchases.

### Do Crypto Tools (De)Encryption or Syncster Mason ToDo have ads?

Neither Crypto Tools (De)Encryption nor Syncster Mason ToDo shows ads.

### Which is updated more often, Crypto Tools (De)Encryption or Syncster Mason ToDo?

Crypto Tools (De)Encryption ships an update every 4 months, and Syncster Mason ToDo every 6 months. Most recently, Crypto Tools (De)Encryption was updated on June 8, 2026 and Syncster Mason ToDo on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*