# Reverse Audio vs Spatial Sketcher

The clearest difference is in-app purchases: Spatial Sketcher at none against Reverse Audio's 8. Spatial Sketcher also leads on ads (none vs shown). Reverse Audio's advantage is update cadence (fortnightly vs every 2 months) and device support (3 vs 1). On price there is nothing between them.

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

Reverse Audio ships an update fortnightly, Spatial Sketcher every 2 months. The most recent releases landed on October 26, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Reverse Audio | Spatial Sketcher |
| --- | --- | --- |
| 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 | 30.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 177 MB | 1 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [芳 王](https://appshunter.io/developer/1674464173) | [EDWIN ZHAO](https://appshunter.io/developer/1871205427) |

## What reviewers say

### Reverse Audio

[App page](https://appshunter.io/ios/app/reverse-audio-sound-challenge/id6752286903)

Easily create unique backwards audio by recording and flipping your voice or sounds. Apply fun voice changer effects like helium or underwater to craft viral content for social media. Perfect for creators and pranksters seeking audio manipulation fun.

**Highlights:** Instant audio flip, Multiple voice changer effects, Prank audio creation, High-quality recording, Save and share instantly, User-friendly interface

**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 |


### Spatial Sketcher

[App page](https://appshunter.io/ios/app/spatial-sketcher/id6758155932)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reverse Audio free?

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

### Is Spatial Sketcher free?

Spatial Sketcher is free to download, with no in-app purchases.

### Do Reverse Audio or Spatial Sketcher have ads?

Reverse Audio shows ads; Spatial Sketcher does not.

### Which is updated more often, Reverse Audio or Spatial Sketcher?

Reverse Audio ships an update fortnightly, and Spatial Sketcher every 2 months. Most recently, Reverse Audio was updated on October 26, 2026 and Spatial Sketcher on October 8, 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.*