# Audio Function Generator vs Frequency Generator (Ape Apps)

The clearest difference is review sentiment: Audio Function Generator at 77% against Frequency Generator (Ape Apps)'s 0%. Audio Function Generator also leads on rating (4.7 vs 3.0) and ads (none vs shown). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Audio Function Generator sells 1 one-off in-app purchase and Frequency Generator (Ape Apps) sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Audio Function Generator holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 77% of Audio Function Generator's written reviews are positive against 0% of Frequency Generator (Ape Apps)'s.

Audio Function Generator ships an update every 6 weeks, Frequency Generator (Ape Apps) every 5 months. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Audio Function Generator | Frequency Generator (Ape Apps) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.2K ratings)](https://appshunter.io/ios/app/audio-function-generator/id768229610/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/frequency-generator-ape-apps/id1588733914/reviews) |
| Number of ratings | **2.2K** | 2 |
| Positive reviews | **77.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 9 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Brandon Stecklein](https://appshunter.io/developer/498894252) |

## What reviewers say

### Audio Function Generator

[App page](https://appshunter.io/ios/app/audio-function-generator/id768229610)

Generate various audio test tones, including sine, square, triangle, and sawtooth waves. Explore frequency and volume sweeps, noise generation, and custom preset creation. Advanced features like extended frequency ranges and multi-tone playback are available with an upgrade.

**Highlights:** Generate sine, square, triangle, and sawtooth tones, Frequency and volume sweep generation, Noise generation (white, pink, violet, etc.), Custom preset creation and saving, Extended frequency range (PRO feature), Multi-tone playback (PRO feature)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to PRO | $9.99 | one-time |

**What reviewers like**

- 👍 Great app
- 🎶 Helps with Tinnitus
- 💯 Best app I've paid for
- 🔍 Highly recommended
- 🎨 Attention to detail

**What reviewers complain about**

- 🐛 Crashes
- 💰 Deceptive/Money hungry
- 🔒 Basic features paywalled
- 🔒 Limited without paying
- 🔒 Removed functionality to push paid version

**Reported bugs**

- Crashes on launch
- Volume slider issues
- Airplay not working
- Sound distortion when display is active

**Requested features**

- Add download/save feature for custom sounds
- Improve sweep function (continuous mode, better frequency control)
- Add more multi-frequency rows
- Implement 432Hz base frequency option
- Add phase control for noise generators


### Frequency Generator (Ape Apps)

[App page](https://appshunter.io/ios/app/frequency-generator-ape-apps/id1588733914)

Generate various audio waveforms like sine, square, sawtooth, and triangle waves. Adjust frequencies from 50Hz to 16000Hz, set custom timers, or tune to musical notes for diverse applications.

**Highlights:** Sine, square, sawtooth, triangle wave generation, Frequency range 50Hz - 16000Hz, Custom frequency setting, Timer functionality, Musical note tuning

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Frequency Generator Premium | $2.99 | one-time |


## Frequently asked questions

### Is Audio Function Generator free?

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

### Is Frequency Generator (Ape Apps) free?

Frequency Generator (Ape Apps) is free to download, with in-app purchases available.

### Which has better reviews, Audio Function Generator or Frequency Generator (Ape Apps)?

Audio Function Generator is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while Frequency Generator (Ape Apps) averages 3.0 from 2 ratings.

### Do Audio Function Generator or Frequency Generator (Ape Apps) have ads?

Frequency Generator (Ape Apps) shows ads; Audio Function Generator does not.

### Which is updated more often, Audio Function Generator or Frequency Generator (Ape Apps)?

Audio Function Generator ships an update every 6 weeks, and Frequency Generator (Ape Apps) every 5 months. Most recently, Audio Function Generator was updated on October 13, 2026 and Frequency Generator (Ape Apps) on October 3, 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.*