# SpeakerAngle vs Audio Function Generator

The clearest difference is price: Audio Function Generator at Free against SpeakerAngle's $0.99. Audio Function Generator also leads on rating (4.7 vs 3.3) and review sentiment (77% vs 50%). SpeakerAngle's advantage is in-app purchases (none vs 1) and iOS requirement (7.0 vs 16.0). On update cadence, ads and device support there is nothing between them.

Audio Function Generator is free to download; SpeakerAngle costs $0.99 up front. Audio Function Generator sells 1 one-off in-app purchase. SpeakerAngle asks for nothing beyond the download.

Audio Function Generator holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 50% of SpeakerAngle's written reviews are positive against 77% of Audio Function Generator's.

SpeakerAngle ships an update monthly, Audio Function Generator every 6 weeks. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | SpeakerAngle | Audio Function Generator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.3 (11 ratings)](https://appshunter.io/ios/app/speakerangle/id549033688/reviews) | **[4.7 (2.2K ratings)](https://appshunter.io/ios/app/audio-function-generator/id768229610/reviews)** |
| Number of ratings | 11 | **2.2K** |
| Positive reviews | 50.0% of reviews | **77.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 4 MB | 13 MB |
| Requires iOS | **7.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AudioAppsStore](https://appshunter.io/developer/549033691) | [Thomas Gruber](https://appshunter.io/developer/342699861) |

## What reviewers say

### SpeakerAngle

[App page](https://appshunter.io/ios/app/speakerangle/id549033688)

This app precisely measures and adjusts speaker toe-in angles using your iPhone or iPad. It helps optimize audio system performance by ensuring critical speaker angles are accurately set and matched for superior sound quality. The intuitive interface provides real-time visual feedback and color-coded guidance.

**Highlights:** Precise speaker angle measurement, Real-time on-screen angle updates, Color-coded angle matching, Supports stereo and surround sound, Automatic project saving and renaming, Printable/shareable user guide

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SpeakerAngle free?

SpeakerAngle costs $0.99, with no in-app purchases.

### Is Audio Function Generator free?

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

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

Audio Function Generator is rated higher. SpeakerAngle averages 3.3 out of 5 from 11 ratings, while Audio Function Generator averages 4.7 from 2.2K ratings.

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

Neither SpeakerAngle nor Audio Function Generator shows ads.

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

SpeakerAngle ships an update monthly, and Audio Function Generator every 6 weeks. Most recently, SpeakerAngle was updated on October 17, 2026 and Audio Function Generator on October 20, 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.*