# Reverse Challenge・Singing Game vs KeyFall Piano

Reverse Challenge・Singing Game and KeyFall Piano are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Reverse Challenge・Singing Game | KeyFall Piano |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/reverse-challengesinging-game/id6795549391/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Subscription | — |
| Size | 31 MB | 166 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Mariamesca Bravo](https://appshunter.io/developer/6822315167) | [Bizzon Company Limited](https://appshunter.io/developer/492003854) |

## What reviewers say

### Reverse Challenge・Singing Game

[App page](https://appshunter.io/ios/app/reverse-challengesinging-game/id6795549391)

Record your voice, play it backward, and try to sing it in reverse. This game is perfect for parties and friends, offering hilarious results and built-in challenges.

**Highlights:** Record voice, Hear reversed audio, Sing reversed audio back, Compare original and attempts, Built-in challenges, Party game for friends

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

**In-app purchases:** none


### KeyFall Piano

[App page](https://appshunter.io/ios/app/keyfall-piano/id6797367666)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reverse Challenge・Singing Game free?

Reverse Challenge・Singing Game is free to download, with no in-app purchases.

### Is KeyFall Piano free?

KeyFall Piano is free to download, with no in-app purchases.

### Do Reverse Challenge・Singing Game or KeyFall Piano have ads?

Neither Reverse Challenge・Singing Game nor KeyFall Piano shows ads.

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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.*