# Kryptos Tools vs ARK

The clearest difference is price: Kryptos Tools at Free against ARK's $1.99. ARK's advantage is update cadence (every 10 days vs monthly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Kryptos Tools is free to download; ARK costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kryptos Tools ships an update monthly, ARK every 10 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Kryptos Tools | ARK |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/kryptos-tools/id6451396051/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free | — |
| Size | 36 MB | 3 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey Williams](https://appshunter.io/developer/1151607389) | [Gaelon Swift](https://appshunter.io/developer/1759501747) |

## What reviewers say

### Kryptos Tools

[App page](https://appshunter.io/ios/app/kryptos-tools/id6451396051)

This app offers a comprehensive suite of classic cryptography tools, including Vigenère and Transposition ciphers, to help users explore and potentially solve complex puzzles. It consolidates features from previous versions and provides detailed information on famous unsolved codes.

**Highlights:** Classic cipher implementations, Vigenère cipher, Transposition Matrix, Detailed puzzle information, Sixteen classic ciphers, Future cipher additions

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

**In-app purchases:** none


### ARK

[App page](https://appshunter.io/ios/app/ark-emergency-tools/id6758130776)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kryptos Tools free?

Kryptos Tools is free to download, with no in-app purchases.

### Is ARK free?

ARK costs $1.99, with no in-app purchases.

### Do Kryptos Tools or ARK have ads?

Neither Kryptos Tools nor ARK shows ads.

### Which is updated more often, Kryptos Tools or ARK?

Kryptos Tools ships an update monthly, and ARK every 10 days. Most recently, Kryptos Tools was updated on October 24, 2026 and ARK on October 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.*