# 聴速mimix vs CheckBoostAudio

The clearest difference is update cadence: CheckBoostAudio at every 3 days against 聴速mimix's every 22 months. 聴速mimix's advantage is iOS requirement (9.0 vs 13.0). 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.

聴速mimix ships an update every 22 months, CheckBoostAudio every 3 days. The most recent releases landed on July 7, 2026 and December 14, 2025 respectively.

## The numbers

| Metric | 聴速mimix | CheckBoostAudio |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 48.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 4 MB | 32 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Samark Corporation](https://appshunter.io/developer/673041246) | [Masatomo Fukuda](https://appshunter.io/developer/1599921920) |

## What reviewers say

### 聴速mimix

[App page](https://appshunter.io/ios/app/mimix/id673062573)

This music player allows precise control over playback speed, from 0.1x to 8.0x. It's useful for language learning, improving memory and concentration, and transcribing music. Note that some DRM-protected audio may not be playable.

**Highlights:** Adjustable playback speed (0.1x to 8.0x), 10-second rewind/forward, Single track repeat, Speed shortcut buttons, Independent sliders for position, volume, and speed

**Features:** macOS Compatibility

**In-app purchases:** none


### CheckBoostAudio

[App page](https://appshunter.io/ios/app/checkboostaudio/id6740433605)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 聴速mimix free?

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

### Is CheckBoostAudio free?

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

### Do 聴速mimix or CheckBoostAudio have ads?

Neither 聴速mimix nor CheckBoostAudio shows ads.

### Which is updated more often, 聴速mimix or CheckBoostAudio?

聴速mimix ships an update every 22 months, and CheckBoostAudio every 3 days. Most recently, 聴速mimix was updated on July 7, 2026 and CheckBoostAudio on December 14, 2025.

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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.*