# Frequency Generator vs Reverse Audio Recording

The clearest difference is rating: Frequency Generator at 5.0 against Reverse Audio Recording's 4.5. Frequency Generator also leads on ratings volume (16 vs 2). Reverse Audio Recording's advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Frequency Generator sells 4 in-app purchases, starting at $4.99 per 7 days and Reverse Audio Recording sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Frequency Generator holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Frequency Generator has 16 ratings behind it against 2, so its average is the more settled of the two.

Frequency Generator ships an update every 2 months, Reverse Audio Recording every 6 weeks. The most recent releases landed on July 8, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | Frequency Generator | Reverse Audio Recording |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (16 ratings)](https://appshunter.io/ios/app/frequency-generator-hz-waves/id6544802995/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/reverse-audio-recording/id6758205180/reviews) |
| Number of ratings | **16** | 2 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 2 MB |
| Requires iOS | 17.6 | **17** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ORIOL NADAL SERRA](https://appshunter.io/developer/1678978095) | [Introspect Technologies Limited](https://appshunter.io/developer/1816219518) |

## What reviewers say

### Frequency Generator

[App page](https://appshunter.io/ios/app/frequency-generator-hz-waves/id6544802995)

This audio toolkit generates tones for testing and tuning, checks speaker performance for distortion, and uses sound waves to clean water and debris from speakers. It offers precise frequency control and high-fidelity sound output for various audio needs.

**Highlights:** Tone generator (20-20,000 Hz), Speaker testing for distortion, Water eject mode for speaker cleaning, Precise frequency control, High-quality sound output

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $39.99 | per year |
| Premium For Life | $14.99 | one-time |


### Reverse Audio Recording

[App page](https://appshunter.io/ios/app/reverse-audio-recording/id6758205180)

Record audio and play it backward with various sound effects. Share your reversed audio creations with others. This utility app offers creative audio manipulation tools.

**Highlights:** Record audio, Play audio in reverse, Add sound effects, Share audio files

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WEEKLY | $5.99 | per 7 days |
| LIFETIME PURCHASE | $19.99 | one-time |


## Frequently asked questions

### Is Frequency Generator free?

Frequency Generator is free to download, with in-app purchases available.

### Is Reverse Audio Recording free?

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

### Which has better reviews, Frequency Generator or Reverse Audio Recording?

Frequency Generator is rated higher. Frequency Generator averages 5.0 out of 5 from 16 ratings, while Reverse Audio Recording averages 4.5 from 2 ratings.

### Do Frequency Generator or Reverse Audio Recording have ads?

Frequency Generator shows ads; Reverse Audio Recording does not.

### Which is updated more often, Frequency Generator or Reverse Audio Recording?

Frequency Generator ships an update every 2 months, and Reverse Audio Recording every 6 weeks. Most recently, Frequency Generator was updated on July 8, 2026 and Reverse Audio Recording on August 24, 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.*