# Sub Cipher vs MemoPhrase

The clearest difference is in-app purchases: Sub Cipher at none against MemoPhrase's 1. Sub Cipher also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. MemoPhrase sells 1 one-off in-app purchase. Sub Cipher asks for nothing beyond the download.

Sub Cipher ships an update every 7 months, MemoPhrase every 4 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sub Cipher | MemoPhrase |
| --- | --- | --- |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 40 MB | 34 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eduard Schwan](https://appshunter.io/developer/594336989) | [Epic Genius LLC](https://appshunter.io/developer/1193070219) |

## 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


### MemoPhrase

[App page](https://appshunter.io/ios/app/memophrase-passphrase-creator/id6755653493)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| mp_unlimited_exports | $1.99 | one-time |


## Frequently asked questions

### Is Sub Cipher free?

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

### Is MemoPhrase free?

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

### Do Sub Cipher or MemoPhrase have ads?

MemoPhrase shows ads; Sub Cipher does not.

### Which is updated more often, Sub Cipher or MemoPhrase?

Sub Cipher ships an update every 7 months, and MemoPhrase every 4 months. Most recently, Sub Cipher was updated on October 27, 2026 and MemoPhrase 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.*