# Plan 9 vs CipherKit

The clearest difference is update cadence: CipherKit at monthly against Plan 9's every 24 months. Plan 9's advantage is iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Plan 9 ships an update every 24 months, CipherKit monthly. The most recent releases landed on October 27, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Plan 9 | CipherKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.5 (2 ratings)](https://appshunter.io/ios/app/cipherkit/id6464536925/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Monthly** |
| Monetization | — | Free |
| Size | 1 MB | 1 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Paul Evenblij](https://appshunter.io/developer/286569767) | [Lewis Luther-Braun](https://appshunter.io/developer/1352789800) |

## What reviewers say

### Plan 9

[App page](https://appshunter.io/ios/app/plan-9/id1510227252)

**In-app purchases:** none


### CipherKit

[App page](https://appshunter.io/ios/app/cipherkit/id6464536925)

This app offers a toolkit for cryptography enthusiasts to encrypt and decrypt data using various methods. It's useful for solving puzzles, creating escape rooms, and enhancing analytical skills.

**Highlights:** Hex encryption, Binary encoding, Vigenère cipher, Data encryption, Data decryption, Puzzle solving

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

**In-app purchases:** none


## Frequently asked questions

### Is Plan 9 free?

Plan 9 is free to download, with no in-app purchases.

### Is CipherKit free?

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

### Do Plan 9 or CipherKit have ads?

Neither Plan 9 nor CipherKit shows ads.

### Which is updated more often, Plan 9 or CipherKit?

Plan 9 ships an update every 24 months, and CipherKit monthly. Most recently, Plan 9 was updated on October 27, 2026 and CipherKit on October 22, 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.*