# Reverse Audio vs SJM Play Online

The clearest difference is in-app purchases: SJM Play Online at none against Reverse Audio's 5. SJM Play Online also leads on iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Reverse Audio sells 5 in-app purchases, starting at $3.99 per 7 days. SJM Play Online asks for nothing beyond the download.

## The numbers

| Metric | Reverse Audio | SJM Play Online |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (114 ratings)](https://appshunter.io/ios/app/reverse-audio-singback/id6751766912/reviews)** | — |
| Number of ratings | **114** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | Freemium | — |
| Size | 58 MB | 38 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ilker beri](https://appshunter.io/developer/1772886549) | [CDNTV Tecnologia LTDA](https://appshunter.io/developer/1481116398) |

## What reviewers say

### Reverse Audio

[App page](https://appshunter.io/ios/app/reverse-audio-singback/id6751766912)

This app lets you participate in the viral reverse singing challenge. Record yourself singing, reverse the audio to learn the gibberish, then record yourself singing the reversed version. Finally, reverse it again to see if it sounds like the original song.

**Highlights:** Instant audio reversing, High-quality recording, Simple, intuitive design, Easy sharing of recordings, Save all audio clips, Trim and edit audio (PRO)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscriptions | $3.99 | per 7 days |
| Reverse Singing Pro - Weekly | $4.99 | per 7 days |
| Weekly Subscription | $6.99 | per 7 days |
| Reverse Play Unlimited Annual | $29.99 | per year |
| Lifetime Subscription | $34.99 | one-time |


### SJM Play Online

[App page](https://appshunter.io/ios/app/sjm-play-online/id6805617860)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reverse Audio free?

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

### Is SJM Play Online free?

SJM Play Online is free to download, with no in-app purchases.

### Do Reverse Audio or SJM Play Online have ads?

Neither Reverse Audio nor SJM Play Online 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.*