# Reverse Audio vs 운동 일지

The clearest difference is in-app purchases: 운동 일지 at none against Reverse Audio's 8. 운동 일지 also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. Reverse Audio sells 8 in-app purchases, starting at $4.99 per 7 days. 운동 일지 asks for nothing beyond the download.

Reverse Audio ships an update every 2 weeks, 운동 일지 every 4 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Reverse Audio | 운동 일지 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (146 ratings)](https://appshunter.io/ios/app/reverse-audio-sound-challenge/id6752286903/reviews)** | — |
| Number of ratings | **146** | — |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 177 MB | 29 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [芳 王](https://appshunter.io/developer/1674464173) | [HeungYeol Kim](https://appshunter.io/developer/1878087341) |

## What reviewers say

### Reverse Audio

[App page](https://appshunter.io/ios/app/reverse-audio-sound-challenge/id6752286903)

Record your voice or import audio/video to play it backward. Engage in challenges by mimicking reversed sounds or guessing songs played backward. Explore various voice effects for creative audio clips and reversed videos.

**Highlights:** Record and reverse voice, Reverse mimic challenge, Import audio and video, Backward music challenges, Playful voice effects, Organized history of creations

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VIP | $4.99 | per 7 days |
| Weekly VIP | $6.99 | per 7 days |
| Weekly VIP | $6.99 | per 7 days |
| Premium version | $9.99 | per 7 days |
| Weekly VIP | $9.99 | per 7 days |
| Annual VIP | $39.99 | per year |
| Lifetime Member | $19.99 | one-time |
| Lifetime Member | $69.99 | one-time |


### 운동 일지

[App page](https://appshunter.io/ios/app/and/id6762110295)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reverse Audio free?

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

### Is 운동 일지 free?

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

### Do Reverse Audio or 운동 일지 have ads?

Reverse Audio shows ads; 운동 일지 does not.

### Which is updated more often, Reverse Audio or 운동 일지?

Reverse Audio ships an update every 2 weeks, and 운동 일지 every 4 days. Most recently, Reverse Audio was updated on October 31, 2026 and 운동 일지 on October 25, 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.*