# Sub Cipher vs Scanner by i

The clearest difference is update cadence: Scanner by i at every 4 days against Sub Cipher's every 7 months. Sub Cipher's advantage is iOS requirement (16.6 vs 18.0). 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.

Sub Cipher ships an update every 7 months, Scanner by i every 4 days. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Sub Cipher | Scanner by i |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/sub-cipher/id1582898316/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 40 MB | 26 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eduard Schwan](https://appshunter.io/developer/594336989) | [Ghozt Systems Inc.](https://appshunter.io/developer/942750403) |

## What reviewers say

### Sub Cipher

[App page](https://appshunter.io/ios/app/sub-cipher/id1582898316)

Easily encode and decode messages using simple substitution ciphers like Caesar and Atbash. Convert up to 2,000 characters at a time and save your cipher settings for later use. Ideal for fun educational purposes, not for serious secret messaging.

**Highlights:** Encode/decode simple substitution ciphers, Supports Caesar and Atbash cipher methods, Converts up to 2,000 characters at once, Save cipher settings as text, Create magic decoder wheels, No licensing or royalties required for published ciphers

**Features:** Vision Pro support

**In-app purchases:** none


### Scanner by i

[App page](https://appshunter.io/ios/app/scanner-by-i/id6742121046)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sub Cipher free?

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

### Is Scanner by i free?

Scanner by i is free to download, with no in-app purchases.

### Do Sub Cipher or Scanner by i have ads?

Neither Sub Cipher nor Scanner by i shows ads.

### Which is updated more often, Sub Cipher or Scanner by i?

Sub Cipher ships an update every 7 months, and Scanner by i every 4 days. Most recently, Sub Cipher was updated on October 1, 2026 and Scanner by i on October 9, 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.*