# Reverse Audio vs Mnemonic Password

The clearest difference is in-app purchases: Mnemonic Password at none against Reverse Audio's 8. Mnemonic Password also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Reverse Audio | Mnemonic Password |
| --- | --- | --- |
| 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 | — |
| Monetization | Free with in-app purchases | — |
| Size | 177 MB | 31 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [芳 王](https://appshunter.io/developer/1674464173) | [THOMAS SCOTT MARTIN](https://appshunter.io/developer/1633808899) |

## 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 |


### Mnemonic Password

[App page](https://appshunter.io/ios/app/mnemonic-password/id6752805874)

**In-app purchases:** none


## Frequently asked questions

### Is Reverse Audio free?

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

### Is Mnemonic Password free?

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

### Do Reverse Audio or Mnemonic Password have ads?

Reverse Audio shows ads; Mnemonic Password does not.

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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.*