# 꼬북목 vs Play Slimminggo

The clearest difference is update cadence: Play Slimminggo at every 6 weeks against 꼬북목's every 6 months. 꼬북목's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 18.0). On price, ads and in-app purchases there is nothing between them.

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

꼬북목 ships an update every 6 months, Play Slimminggo every 6 weeks. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 꼬북목 | Play Slimminggo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 66 MB | 127 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [minhyun lee](https://appshunter.io/developer/1729065316) | [DAEHYUN IM](https://appshunter.io/developer/1734073823) |

## What reviewers say

### 꼬북목

[App page](https://appshunter.io/ios/app/id6477348702)

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

**In-app purchases:** none


### Play Slimminggo

[App page](https://appshunter.io/ios/app/play-slimminggo/id6478824396)

Analyze your body type and posture in seconds using your smartphone. Get personalized solutions like exercises and stretching to improve your posture and identify potential pain areas. Track your progress over time with easy-to-understand results.

**Highlights:** 12-second body type analysis, Easy-to-understand results, Customized stretching and exercise plans, Daily posture correction guidance, Sitting posture analysis, Progress tracking over time

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

**In-app purchases:** none


## Frequently asked questions

### Is 꼬북목 free?

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

### Is Play Slimminggo free?

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

### Do 꼬북목 or Play Slimminggo have ads?

Neither 꼬북목 nor Play Slimminggo shows ads.

### Which is updated more often, 꼬북목 or Play Slimminggo?

꼬북목 ships an update every 6 months, and Play Slimminggo every 6 weeks. Most recently, 꼬북목 was updated on November 8, 2026 and Play Slimminggo on November 4, 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.*