# MusclePump vs SonKullan

The clearest difference is update cadence: SonKullan at weekly against MusclePump's every 9 months. MusclePump's advantage is iOS requirement (12.4 vs 15.1). 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.

MusclePump ships an update every 9 months, SonKullan weekly. The most recent releases landed on September 15, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | MusclePump | SonKullan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Size | 26 MB | 34 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AKINSOFT](https://appshunter.io/developer/562518135) | [Ottoo](https://appshunter.io/developer/1390277058) |

## What reviewers say

### MusclePump

[App page](https://appshunter.io/ios/app/musclepump/id1606690649)

**Features:** macOS Compatibility

**In-app purchases:** none


### SonKullan

[App page](https://appshunter.io/ios/app/sonkullan/id6756102680)

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

**In-app purchases:** none


## Frequently asked questions

### Is MusclePump free?

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

### Is SonKullan free?

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

### Do MusclePump or SonKullan have ads?

Neither MusclePump nor SonKullan shows ads.

### Which is updated more often, MusclePump or SonKullan?

MusclePump ships an update every 9 months, and SonKullan weekly. Most recently, MusclePump was updated on September 15, 2026 and SonKullan on September 16, 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.*