# Reverse Audio Challenge vs 简嘟嘟

The clearest difference is in-app purchases: 简嘟嘟 at none against Reverse Audio Challenge's 4. 简嘟嘟 also leads on ads (none vs shown) and iOS requirement (13 vs 15). On price and device support there is nothing between them.

Both are free to download. Reverse Audio Challenge sells 4 in-app purchases, starting at $0.49 per year. 简嘟嘟 asks for nothing beyond the download.

## The numbers

| Metric | Reverse Audio Challenge | 简嘟嘟 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (178 ratings)](https://appshunter.io/ios/app/reverse-audio-challenge/id1486564811/reviews)** | — |
| Number of ratings | **178** | — |
| Positive reviews | 60.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 5 MB |
| Requires iOS | 15 | **13** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Hangzhou Onedium Technology Co., Ltd.](https://appshunter.io/developer/1395700698) | [shenzhen Dana Intelligent Equipment Co., Ltd](https://appshunter.io/developer/1722571192) |

## What reviewers say

### Reverse Audio Challenge

[App page](https://appshunter.io/ios/app/reverse-audio-challenge/id1486564811)

Record your voice, reverse it, and challenge friends to guess the original message. Explore fun sound effects, reverse text, and even play your favorite songs backward. A popular social game for endless entertainment.

**Highlights:** Record and reverse voice messages, Guess reversed messages, Mimic and re-reverse voices, Fun sound effects, Reverse text messages, Hot Words module for ideas, Music reversal

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁应用内全部功能 | $0.49 | per year |
| 解锁应用内全部功能 | $1.99 | per year |
| 升级为 PRO | $0.99 | one-time |
| 升级为 PRO | $2.99 | one-time |


### 简嘟嘟

[App page](https://appshunter.io/ios/app/id6814797553)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reverse Audio Challenge free?

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

### Is 简嘟嘟 free?

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

### Do Reverse Audio Challenge or 简嘟嘟 have ads?

Reverse Audio Challenge shows ads; 简嘟嘟 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.*