# Audio Function Generator vs Amp Switch

The clearest difference is in-app purchases: Amp Switch at none against Audio Function Generator's 1. Amp Switch also leads on rating (5.0 vs 4.7). Audio Function Generator's advantage is ratings volume (2.2K vs 1). On price, ads, device support and iOS requirement there is nothing between them.

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

Amp Switch 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 1, so its average is the more settled of the two.

## The numbers

| Metric | Audio Function Generator | Amp Switch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2.2K ratings)](https://appshunter.io/ios/app/audio-function-generator/id768229610/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/amp-switch-midi-footswitch/id1630403022/reviews)** |
| Number of ratings | **2.2K** | 1 |
| Positive reviews | 77.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 14 MB | 6 MB |
| Requires iOS | 15.5 | **14.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Cem Olcay](https://appshunter.io/developer/523633853) |

## 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


### Amp Switch

[App page](https://appshunter.io/ios/app/amp-switch-midi-footswitch/id1630403022)

Control your guitar amplifier's channels, FX loops, and master volume using your iPhone, iPad, or Apple Watch via MIDI. Connect your device to your amp with a MIDI cable to remotely manage settings while playing.

**Highlights:** Switch amp channels, Toggle FX loop, Change master volume, MIDI control via iOS devices, Apple Watch integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**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 Amp Switch free?

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

### Which has better reviews, Audio Function Generator or Amp Switch?

Amp Switch is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while Amp Switch averages 5.0 from 1 ratings.

### Do Audio Function Generator or Amp Switch have ads?

Neither Audio Function Generator nor Amp Switch shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*