# briefgenerator vs AI Letter

The clearest difference is in-app purchases: AI Letter at none against briefgenerator's 3. AI Letter also leads on update cadence (every 3 days vs every 6 weeks). briefgenerator's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. briefgenerator sells 3 in-app purchases, starting at $2.99 per 7 days. AI Letter asks for nothing beyond the download.

briefgenerator ships an update every 6 weeks, AI Letter every 3 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | briefgenerator | AI Letter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 27 MB | 28 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Kogan](https://appshunter.io/developer/1824403509) | [KKANG'S LAB](https://appshunter.io/developer/1122663875) |

## What reviewers say

### briefgenerator

[App page](https://appshunter.io/ios/app/briefgenerator/id6748134012)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Subscription | $2.99 | per 7 days |
| Premium Monthly Subscription | $8.99 | per month |
| Premium Yearly Subscription | $89.99 | per year |


### AI Letter

[App page](https://appshunter.io/ios/app/ai-letter-write-and-share/id6757287624)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is briefgenerator free?

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

### Is AI Letter free?

AI Letter is free to download, with no in-app purchases.

### Do briefgenerator or AI Letter have ads?

Both briefgenerator and AI Letter show ads.

### Which is updated more often, briefgenerator or AI Letter?

briefgenerator ships an update every 6 weeks, and AI Letter every 3 days. Most recently, briefgenerator was updated on October 25, 2026 and AI Letter 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.*