# Reverse Audio Challenge vs 一炷香

The clearest difference is rating: 一炷香 at 4.9 against Reverse Audio Challenge's 4.5. 一炷香 also leads on review sentiment (75% vs 61%). Reverse Audio Challenge's advantage is update cadence (every 2 weeks vs monthly) and ratings volume (173 vs 38). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Reverse Audio Challenge sells 4 in-app purchases, starting at $0.49 per year and 一炷香 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

一炷香 holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 173 and 38 respectively. Written reviews point the same way: 61% of Reverse Audio Challenge's written reviews are positive against 75% of 一炷香's.

Reverse Audio Challenge ships an update every 2 weeks, 一炷香 monthly. Both last shipped on October 1, 2026.

## The numbers

| Metric | Reverse Audio Challenge | 一炷香 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (173 ratings)](https://appshunter.io/ios/app/reverse-audio-challenge/id1486564811/reviews) | **[4.9 (38 ratings)](https://appshunter.io/ios/app/id6443640433/reviews)** |
| Number of ratings | **173** | 38 |
| Positive reviews | 60.6% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 66 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Onedium Technology Co., Ltd.](https://appshunter.io/developer/1395700698) | [方元 朱](https://appshunter.io/developer/468596269) |

## 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 |


### 一炷香

[App page](https://appshunter.io/ios/app/id6443640433)

Simulate burning incense for various occasions like wishing, praying, remembering loved ones, or meditation. Choose from various deities, offerings, and customize your prayers with adjustable incense count and duration. Track your prayer history with detailed records.

**Highlights:** Simulated incense burning, Selectable deities and offerings, Customizable prayer content, Adjustable incense count and duration, Prayer history tracking, Define memorial tablet

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 所有功能和去除广告 | $1.99 | one-time |


## Frequently asked questions

### Is Reverse Audio Challenge free?

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

### Is 一炷香 free?

一炷香 is free to download, with in-app purchases available.

### Which has better reviews, Reverse Audio Challenge or 一炷香?

一炷香 is rated higher. Reverse Audio Challenge averages 4.5 out of 5 from 173 ratings, while 一炷香 averages 4.9 from 38 ratings.

### Do Reverse Audio Challenge or 一炷香 have ads?

Both Reverse Audio Challenge and 一炷香 show ads.

### Which is updated more often, Reverse Audio Challenge or 一炷香?

Reverse Audio Challenge ships an update every 2 weeks, and 一炷香 monthly. Most recently, Reverse Audio Challenge was updated on October 1, 2026 and 一炷香 on October 1, 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.*