# Reverse Audio Challenge vs Chatty Lamp

The clearest difference is review sentiment: Chatty Lamp at 100% against Reverse Audio Challenge's 61%. Chatty Lamp also leads on ads (none vs shown) and update cadence (daily vs every 2 weeks). On price, in-app purchases, monetization model 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 and Chatty Lamp sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Reverse Audio Challenge ships an update every 2 weeks, Chatty Lamp daily. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Reverse Audio Challenge | Chatty Lamp |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 10 MB |
| Requires iOS | **15** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Onedium Technology Co., Ltd.](https://appshunter.io/developer/1395700698) | [仙萍 邱](https://appshunter.io/developer/1879668409) |

## 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 |


### Chatty Lamp

[App page](https://appshunter.io/ios/app/chatty-lamp-cozy-puzzle/id6761660802)

Engage in light and fun brain exercises designed for daily mental training. This app offers simple cell lighting challenges to improve logic, memory, and mental agility through casual gameplay.

**Highlights:** Logic reasoning training, Memory enhancement exercises, Mental agility improvement, Simple cell lighting challenges, Clean interface, Stress-free gameplay

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Mode | $0.99 | one-time |


## Frequently asked questions

### Is Reverse Audio Challenge free?

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

### Is Chatty Lamp free?

Chatty Lamp is free to download, with in-app purchases available.

### Do Reverse Audio Challenge or Chatty Lamp have ads?

Reverse Audio Challenge shows ads; Chatty Lamp does not.

### Which is updated more often, Reverse Audio Challenge or Chatty Lamp?

Reverse Audio Challenge ships an update every 2 weeks, and Chatty Lamp daily. Most recently, Reverse Audio Challenge was updated on November 3, 2026 and Chatty Lamp on October 24, 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.*