# Time Warp Scan vs Reverse Singing Challenge App

The clearest difference is ads: Time Warp Scan at none against Reverse Singing Challenge App's shown. Time Warp Scan also leads on ratings volume (358 vs 47). Reverse Singing Challenge App's advantage is update cadence (every 2 months vs every 12 months) and rating (4.3 vs 4.1). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Time Warp Scan sells 3 in-app purchases, starting at $4.99 per 7 days and Reverse Singing Challenge App sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Reverse Singing Challenge App holds the better App Store score, 4.3 against 4.1. That said, the two scores are not equally well evidenced: Time Warp Scan has 358 ratings behind it against 47, so its average is the more settled of the two. Written reviews point the same way: 48% of Time Warp Scan's written reviews are positive against 50% of Reverse Singing Challenge App's.

Time Warp Scan ships an update every 12 months, Reverse Singing Challenge App every 2 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Time Warp Scan | Reverse Singing Challenge App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (358 ratings)](https://appshunter.io/ios/app/time-warp-scan-timewarp/id6470278940/reviews) | **[4.3 (47 ratings)](https://appshunter.io/ios/app/reverse-singing-challenge-app/id6755778984/reviews)** |
| Number of ratings | **358** | 47 |
| Positive reviews | 48.1% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 100 MB | 34 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [App Training](https://appshunter.io/developer/1713313231) | [Victor Bujanivskiy](https://appshunter.io/developer/942482576) |

## What reviewers say

### Time Warp Scan

[App page](https://appshunter.io/ios/app/time-warp-scan-timewarp/id6470278940)

Create humorous photos and videos with a viral blue line scan effect or fun animal face overlays. This app lets you freeze motion, transform faces, and add flowing distortions for shareable, comical content.

**Highlights:** Viral time warp scan effect, Fun animal face overlays, Waterfall Flow distortion, Smart Face Effects, Adjustable scan speed, No watermarks, Save and share creations

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Time Wrap Weekly Plan | $4.99 | per 7 days |
| Time Wrap Monthly Plan | $9.99 | per month |
| Time Wrap Yearly Plan | $29.99 | per year |


### Reverse Singing Challenge App

[App page](https://appshunter.io/ios/app/reverse-singing-challenge-app/id6755778984)

Record your voice, then play it backward to create hilarious audio. Challenge friends to mimic the reversed sound for unexpected results. Explore the fun of audio manipulation and share your creations.

**Highlights:** Record audio, Reverse playback, Mimic reversed sounds, Share with friends, Audio manipulation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $7.99 | per 7 days |
| Annual Access | $34.99 | per year |


## Frequently asked questions

### Is Time Warp Scan free?

Time Warp Scan is free to download, with in-app purchases available.

### Is Reverse Singing Challenge App free?

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

### Which has better reviews, Time Warp Scan or Reverse Singing Challenge App?

Reverse Singing Challenge App is rated higher. Time Warp Scan averages 4.1 out of 5 from 358 ratings, while Reverse Singing Challenge App averages 4.3 from 47 ratings.

### Do Time Warp Scan or Reverse Singing Challenge App have ads?

Reverse Singing Challenge App shows ads; Time Warp Scan does not.

### Which is updated more often, Time Warp Scan or Reverse Singing Challenge App?

Time Warp Scan ships an update every 12 months, and Reverse Singing Challenge App every 2 months. Most recently, Time Warp Scan was updated on October 25, 2026 and Reverse Singing Challenge App on October 25, 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.*