# LetterRack vs Unlock by JM Magic

The clearest difference is in-app purchases: Unlock by JM Magic at none against LetterRack's 3. Unlock by JM Magic also leads on update cadence (every 3 days vs every 3 weeks) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. LetterRack sells 3 in-app purchases, starting at $3.99 per month. Unlock by JM Magic asks for nothing beyond the download.

LetterRack ships an update every 3 weeks, Unlock by JM Magic every 3 days. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | LetterRack | Unlock by JM Magic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 28 MB | 36 MB |
| Requires iOS | 26.4 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Vincent Launay](https://appshunter.io/developer/1198218316) | [Bhavik Shah](https://appshunter.io/developer/1895343201) |

## What reviewers say

### LetterRack

[App page](https://appshunter.io/ios/app/letterrack/id6764377699)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Xtremagic Pass | $3.99 | per month |
| Xtremagic Pass | $24.99 | per year |
| Full Access (One-Time Purchase) | $7.99 | one-time |


### Unlock by JM Magic

[App page](https://appshunter.io/ios/app/unlock-by-jm-magic/id6769700887)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LetterRack free?

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

### Is Unlock by JM Magic free?

Unlock by JM Magic is free to download, with no in-app purchases.

### Do LetterRack or Unlock by JM Magic have ads?

Neither LetterRack nor Unlock by JM Magic shows ads.

### Which is updated more often, LetterRack or Unlock by JM Magic?

LetterRack ships an update every 3 weeks, and Unlock by JM Magic every 3 days. Most recently, LetterRack was updated on October 24, 2026 and Unlock by JM Magic on October 14, 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.*