# NoteifyApp vs LetterRack

The clearest difference is update cadence: NoteifyApp at every 6 days against LetterRack's every 3 weeks. NoteifyApp also leads on iOS requirement (16.0 vs 26.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NoteifyApp sells 1 one-off in-app purchase and LetterRack sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

NoteifyApp ships an update every 6 days, LetterRack every 3 weeks. The most recent releases landed on September 11, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | NoteifyApp | LetterRack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Size | 43 MB | 28 MB |
| Requires iOS | **16.0** | 26.4 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Pratik Shirsat](https://appshunter.io/developer/1768491718) | [Vincent Launay](https://appshunter.io/developer/1198218316) |

## What reviewers say

### NoteifyApp

[App page](https://appshunter.io/ios/app/noteifyapp/id6683305707)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Noteify | $309.00 | one-time |


### 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 NoteifyApp free?

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

### Is LetterRack free?

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

### Do NoteifyApp or LetterRack have ads?

Neither NoteifyApp nor LetterRack shows ads.

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

NoteifyApp ships an update every 6 days, and LetterRack every 3 weeks. Most recently, NoteifyApp was updated on September 11, 2026 and LetterRack on September 12, 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.*