# Audio Function Generator vs TapWidget

The clearest difference is in-app purchases: TapWidget at none against Audio Function Generator's 1. TapWidget also leads on update cadence (every 3 days vs every 6 weeks) and review sentiment (100% vs 77%). Audio Function Generator's advantage is ratings volume (2.2K vs 5). On price, ads and device support there is nothing between them.

Both are free to download. Audio Function Generator sells 1 one-off in-app purchase. TapWidget asks for nothing beyond the download.

TapWidget holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 5, 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 100% of TapWidget's.

Audio Function Generator ships an update every 6 weeks, TapWidget every 3 days. The most recent releases landed on September 29, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Audio Function Generator | TapWidget |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2.2K ratings)](https://appshunter.io/ios/app/audio-function-generator/id768229610/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/tapwidget/id1117301996/reviews)** |
| Number of ratings | **2.2K** | 5 |
| Positive reviews | 77.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 14 MB | 12 MB |
| Requires iOS | 15.5 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Oscar Bouwmans](https://appshunter.io/developer/1077773833) |

## 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


### TapWidget

[App page](https://appshunter.io/ios/app/tapwidget/id1117301996)

This utility app allows users to measure and fine-tune tapping tempos directly from their device's lock screen using a notification center widget. It provides visual and auditory feedback to match specific song tempos with high accuracy.

**Highlights:** QuickTap widget in Notification Center, Start tapping from lock screen, Display current tapping tempo, Visual and auditory tempo feedback, Fine-tune tempo by sliding, Match specific song tempos accurately

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Audio Function Generator free?

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

### Is TapWidget free?

TapWidget is free to download, with no in-app purchases.

### Which has better reviews, Audio Function Generator or TapWidget?

TapWidget is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while TapWidget averages 5.0 from 5 ratings.

### Do Audio Function Generator or TapWidget have ads?

Neither Audio Function Generator nor TapWidget shows ads.

### Which is updated more often, Audio Function Generator or TapWidget?

Audio Function Generator ships an update every 6 weeks, and TapWidget every 3 days. Most recently, Audio Function Generator was updated on September 29, 2026 and TapWidget on June 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.*