# MMK SeQR Scan vs Reverse Audio

The clearest difference is in-app purchases: MMK SeQR Scan at none against Reverse Audio's 2. MMK SeQR Scan also leads on iOS requirement (11.0 vs 17.0). Reverse Audio's advantage is update cadence (every 3 weeks vs every 23 months). On price, ads and device support there is nothing between them.

Both are free to download. Reverse Audio sells 2 in-app purchases, starting at $4.99 per 7 days. MMK SeQR Scan asks for nothing beyond the download.

MMK SeQR Scan ships an update every 23 months, Reverse Audio every 3 weeks. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | MMK SeQR Scan | Reverse Audio |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 21 MB | 13 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SECURITY SOFTWARE & SOLUTIONS LLP](https://appshunter.io/developer/1212339368) | [Valeriu Moiseev](https://appshunter.io/developer/1812936836) |

## What reviewers say

### MMK SeQR Scan

[App page](https://appshunter.io/ios/app/mmk-seqr-scan/id1633406150)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reverse Audio

[App page](https://appshunter.io/ios/app/reverse-audio-flipsound/id6752912913)

Easily record any sound and play it backward with fun effects. Experiment with audio, create mysterious messages, or just have fun with quick and simple reverse playback, speed control, and pitch adjustments.

**Highlights:** One-tap audio recording, Reverse playback, Speed control, Pitch adjustment, Loop playback, Save and share

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlipSound - weekly | $4.99 | per 7 days |
| FlipSound - lifetime | $29.99 | one-time |


## Frequently asked questions

### Is MMK SeQR Scan free?

MMK SeQR Scan is free to download, with no in-app purchases.

### Is Reverse Audio free?

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

### Do MMK SeQR Scan or Reverse Audio have ads?

Neither MMK SeQR Scan nor Reverse Audio shows ads.

### Which is updated more often, MMK SeQR Scan or Reverse Audio?

MMK SeQR Scan ships an update every 23 months, and Reverse Audio every 3 weeks. Most recently, MMK SeQR Scan was updated on October 15, 2026 and Reverse Audio on October 11, 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.*