# AC2PHONE vs LetterRack

The clearest difference is price: LetterRack at Free against AC2PHONE's $29.99. AC2PHONE's advantage is in-app purchases (none vs 3) and update cadence (every 5 days vs every 3 weeks). On ads and device support there is nothing between them.

LetterRack is free to download; AC2PHONE costs $29.99 up front. LetterRack sells 3 in-app purchases, starting at $3.99 per month. AC2PHONE asks for nothing beyond the download.

AC2PHONE ships an update every 5 days, LetterRack every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AC2PHONE | LetterRack |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Size | 18 MB | 28 MB |
| Requires iOS | **18.6** | 26.4 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [sebastien macak](https://appshunter.io/developer/1330334721) | [Vincent Launay](https://appshunter.io/developer/1198218316) |

## What reviewers say

### AC2PHONE

[App page](https://appshunter.io/ios/app/ac2phone/id1334253650)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is AC2PHONE free?

AC2PHONE costs $29.99, with no in-app purchases.

### Is LetterRack free?

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

### Do AC2PHONE or LetterRack have ads?

Neither AC2PHONE nor LetterRack shows ads.

### Which is updated more often, AC2PHONE or LetterRack?

AC2PHONE ships an update every 5 days, and LetterRack every 3 weeks. Most recently, AC2PHONE was updated on October 29, 2026 and LetterRack on October 24, 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.*