# Crypto Tools (De)Encryption vs CalcStak

The clearest difference is iOS requirement: CalcStak at 17.0 against Crypto Tools (De)Encryption's 26.0. On price, ads, in-app purchases 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 and CalcStak sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Crypto Tools (De)Encryption | CalcStak |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 4 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) | [JOEL ANDREW ROSINBUM](https://appshunter.io/developer/1896305700) |

## 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 |


### CalcStak

[App page](https://appshunter.io/ios/app/calcstak/id6766592809)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scientific Functions | $2.99 | one-time |


## Frequently asked questions

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

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

### Is CalcStak free?

CalcStak is free to download, with in-app purchases available.

### Do Crypto Tools (De)Encryption or CalcStak have ads?

Neither Crypto Tools (De)Encryption nor CalcStak shows ads.

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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.*