# 소닉슬립 vs USAR

The clearest difference is update cadence: 소닉슬립 at every 3 weeks against USAR's every 2 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.

소닉슬립 ships an update every 3 weeks, USAR every 2 months. The most recent releases landed on October 27, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 소닉슬립 | USAR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 30 MB | 80 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Qingdao Richmat Intelligence Technology Inc.](https://appshunter.io/developer/1814751082) | [Minsu Kim](https://appshunter.io/developer/1839903754) |

## What reviewers say

### 소닉슬립

[App page](https://appshunter.io/ios/app/id6738236910)

**In-app purchases:** none


### USAR

[App page](https://appshunter.io/ios/app/usar/id6752565774)

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

**In-app purchases:** none


## Frequently asked questions

### Is 소닉슬립 free?

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

### Is USAR free?

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

### Do 소닉슬립 or USAR have ads?

Neither 소닉슬립 nor USAR shows ads.

### Which is updated more often, 소닉슬립 or USAR?

소닉슬립 ships an update every 3 weeks, and USAR every 2 months. Most recently, 소닉슬립 was updated on October 27, 2026 and USAR on October 17, 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.*