# 로나(LawNa) vs 서앤오

The clearest difference is update cadence: 서앤오 at weekly against 로나(LawNa)'s every 10 months. 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.

로나(LawNa) ships an update every 10 months, 서앤오 weekly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 로나(LawNa) | 서앤오 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Weekly** |
| Size | 19 MB | 87 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Z Enterprise Inc.](https://appshunter.io/developer/1186216941) | [Seo & Oh](https://appshunter.io/developer/1863146900) |

## What reviewers say

### 로나(LawNa)

[App page](https://appshunter.io/ios/app/lawna/id6496372664)

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

**In-app purchases:** none


### 서앤오

[App page](https://appshunter.io/ios/app/id6756831384)

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

**In-app purchases:** none


## Frequently asked questions

### Is 로나(LawNa) free?

로나(LawNa) is free to download, with no in-app purchases.

### Is 서앤오 free?

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

### Do 로나(LawNa) or 서앤오 have ads?

Neither 로나(LawNa) nor 서앤오 shows ads.

### Which is updated more often, 로나(LawNa) or 서앤오?

로나(LawNa) ships an update every 10 months, and 서앤오 weekly. Most recently, 로나(LawNa) was updated on November 4, 2026 and 서앤오 on November 5, 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.*