# 사운드짐 vs Keging

The clearest difference is in-app purchases: Keging at none against 사운드짐's 7. Keging also leads on update cadence (weekly vs every 3 weeks). 사운드짐's advantage is iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. 사운드짐 sells 6 in-app purchases, starting at $7.99 per month. Keging asks for nothing beyond the download.

사운드짐 ships an update every 3 weeks, Keging weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 사운드짐 | Keging |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (19 ratings)](https://appshunter.io/ios/app/id1435863215/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 82.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 7 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SOUNDGYM](https://appshunter.io/developer/1435863214) | [YECHAN SONG](https://appshunter.io/developer/6793969892) |

## What reviewers say

### 사운드짐

[App page](https://appshunter.io/ios/app/id1435863215)

This app offers a comprehensive fitness experience with a wide range of workout content, including Pilates, yoga, and strength training. It provides personalized coaching through audio and video, challenges to encourage consistency, and guidance on using home gym equipment. Integrates with Apple Health.

**Highlights:** Diverse workout library (Pilates, yoga, strength), Personalized audio/video coaching, Fitness challenges for consistency, Home gym equipment usage guides, Apple Health integration, Body part and situation-specific workouts

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1개월 | $7.99 | per month |
| 3개월 | $15.99 | per 3 months |
| 6개월 | $28.99 | per 6 months |
| 1년 | $48.99 | per year |
| 1년 | $51.99 | per year |
| 1년 | $73.99 | per year |


### Keging

[App page](https://appshunter.io/ios/app/keging-kegel-timer/id6808826546)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 사운드짐 free?

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

### Is Keging free?

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

### Do 사운드짐 or Keging have ads?

Neither 사운드짐 nor Keging shows ads.

### Which is updated more often, 사운드짐 or Keging?

사운드짐 ships an update every 3 weeks, and Keging weekly. Most recently, 사운드짐 was updated on November 2, 2026 and Keging on October 31, 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.*