# Brain Training Math & Logic vs Reverse Audio

The clearest difference is price: Reverse Audio at Free against Brain Training Math & Logic's $0.99. Reverse Audio also leads on update cadence (monthly vs every 17 months). Brain Training Math & Logic's advantage is in-app purchases (none vs 3) and ads (none vs shown).

Reverse Audio is free to download; Brain Training Math & Logic costs $0.99 up front. Reverse Audio sells 3 in-app purchases, starting at $0.99 per 7 days. Brain Training Math & Logic asks for nothing beyond the download.

Brain Training Math & Logic ships an update every 17 months, Reverse Audio monthly. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Brain Training Math & Logic | Reverse Audio |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.6 (23 ratings)](https://appshunter.io/ios/app/reverse-audio-sing-voices/id6751771975/reviews)** |
| Number of ratings | — | **23** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 88 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maria Dolores Garcia Ferre](https://appshunter.io/developer/970100146) | [Fabulous Apps LLC](https://appshunter.io/developer/1830879287) |

## What reviewers say

### Brain Training Math & Logic

[App page](https://appshunter.io/ios/app/brain-training-math-and-logic/id1483194014)

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

**In-app purchases:** none


### Reverse Audio

[App page](https://appshunter.io/ios/app/reverse-audio-sing-voices/id6751771975)

Record or import audio and instantly play it backward. Enhance your sound with effects like pitch shifts, echo, and speed control. Perfect for pranks, music remixes, and creative sound design.

**Highlights:** Record live audio, Import audio files, Instant sound reversal, Pitch shift effects, Echo and speed control, Easy sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $0.99 | per 7 days |
| Annual Premium | $14.99 | per year |
| Lifetime Plan | $29.99 | one-time |


## Frequently asked questions

### Is Brain Training Math & Logic free?

Brain Training Math & Logic costs $0.99, with no in-app purchases.

### Is Reverse Audio free?

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

### Do Brain Training Math & Logic or Reverse Audio have ads?

Reverse Audio shows ads; Brain Training Math & Logic does not.

### Which is updated more often, Brain Training Math & Logic or Reverse Audio?

Brain Training Math & Logic ships an update every 17 months, and Reverse Audio monthly. Most recently, Brain Training Math & Logic was updated on November 7, 2026 and Reverse Audio on October 30, 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.*