# レター vs Pettena

The clearest difference is update cadence: レター at every 3 weeks against Pettena's every 5 months. Pettena's advantage is iOS requirement (11.0 vs 16.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

レター ships an update every 3 weeks, Pettena every 5 months. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | レター | Pettena |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (50 ratings)](https://appshunter.io/ios/app/id789614903/reviews)** | — |
| Number of ratings | **50** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Size | 132 MB | 74 MB |
| Requires iOS | 16.2 | **11.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ROLLCAKE Inc.](https://appshunter.io/developer/789614906) | [SHENZHEN APICAL TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1413016734) |

## What reviewers say

### レター

[App page](https://appshunter.io/ios/app/id789614903)

**In-app purchases:** none


### Pettena

[App page](https://appshunter.io/ios/app/pettena/id6448265465)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is レター free?

レター is free to download, with no in-app purchases.

### Is Pettena free?

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

### Do レター or Pettena have ads?

Neither レター nor Pettena shows ads.

### Which is updated more often, レター or Pettena?

レター ships an update every 3 weeks, and Pettena every 5 months. Most recently, レター was updated on October 20, 2026 and Pettena on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*