# Bass Tuner vs Audio Function Generator

The clearest difference is in-app purchases: Bass Tuner at none against Audio Function Generator's 1. Audio Function Generator's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 14 months). On price, ratings volume, 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. Bass Tuner asks for nothing beyond the download.

Audio Function Generator holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 1.1K and 2.2K respectively. Written reviews point the same way: 56% of Bass Tuner's written reviews are positive against 77% of Audio Function Generator's.

Bass Tuner ships an update every 14 months, Audio Function Generator every 6 weeks. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Bass Tuner | Audio Function Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (1.1K ratings)](https://appshunter.io/ios/app/bass-tuner/id325350194/reviews) | **[4.7 (2.2K ratings)](https://appshunter.io/ios/app/audio-function-generator/id768229610/reviews)** |
| Number of ratings | 1.1K | **2.2K** |
| Positive reviews | 55.8% of reviews | **77.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 14 MB | 14 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alvin Yu](https://appshunter.io/developer/310457194) | [Thomas Gruber](https://appshunter.io/developer/342699861) |

## What reviewers say

### Bass Tuner

[App page](https://appshunter.io/ios/app/bass-tuner/id325350194)

This application plays tuning notes for a standard 4-string bass guitar. It provides accurate reference tones to help musicians tune their instrument quickly and effectively.

**Highlights:** Plays tuning notes, Standard 4-string bass tuning, Reference tones for tuning

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy and convenient
- 🎶 Accurate notes
- 💰 Free app

**What reviewers complain about**

- 🔇 Low volume
- 🔢 Limited tuning options
- 🐛 Doesn't work as expected

**Reported bugs**

- Incorrect tuning notes
- App crashes or doesn't work at all
- Ads interfere with functionality

**Requested features**

- Add more tuning options (e.g. drop D, half-step down)
- Implement chromatic tuning
- Provide visual/audio feedback while tuning


### 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 Bass Tuner free?

Bass Tuner is free to download, 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, Bass Tuner or Audio Function Generator?

Audio Function Generator is rated higher. Bass Tuner averages 4.4 out of 5 from 1.1K ratings, while Audio Function Generator averages 4.7 from 2.2K ratings.

### Do Bass Tuner or Audio Function Generator have ads?

Bass Tuner shows ads; Audio Function Generator does not.

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

Bass Tuner ships an update every 14 months, and Audio Function Generator every 6 weeks. Most recently, Bass Tuner was updated on October 11, 2026 and Audio Function Generator on October 13, 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.*