# Audio Function Generator vs Polarity pulses

The clearest difference is rating: Audio Function Generator at 4.7 against Polarity pulses's 3.0. Audio Function Generator also leads on ratings volume (2.2K vs 2). Polarity pulses's advantage is update cadence (every 2 days vs every 6 weeks) and iOS requirement (12 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Audio Function Generator sells 1 one-off in-app purchase and Polarity pulses 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.

Audio Function Generator ships an update every 6 weeks, Polarity pulses every 2 days. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Audio Function Generator | Polarity pulses |
| --- | --- | --- |
| 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/polarity-pulses/id6770177079/reviews) |
| Number of ratings | **2.2K** | 2 |
| Positive reviews | 77.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 18 MB |
| Requires iOS | 16.0 | **12** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [小慧 罗](https://appshunter.io/developer/1806960019) |

## 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


### Polarity pulses

[App page](https://appshunter.io/ios/app/polarity-pulses/id6770177079)

This utility app helps audio professionals and enthusiasts quickly test speaker polarity and phase alignment using a phone's microphone. It provides offline analysis for various audio setups, from car stereos to studio monitors, eliminating wiring mistakes and troubleshooting time.

**Highlights:** Audio capture via phone microphone, Offline local analysis, Adjustable parameters for different drivers, Supports car audio, home theater, stage PA, studio monitors, Eliminates wiring mistakes, Reduces troubleshooting time

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Access | $1.99 | one-time |


## Frequently asked questions

### Is Audio Function Generator free?

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

### Is Polarity pulses free?

Polarity pulses is free to download, with in-app purchases available.

### Which has better reviews, Audio Function Generator or Polarity pulses?

Audio Function Generator is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while Polarity pulses averages 3.0 from 2 ratings.

### Do Audio Function Generator or Polarity pulses have ads?

Neither Audio Function Generator nor Polarity pulses shows ads.

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

Audio Function Generator ships an update every 6 weeks, and Polarity pulses every 2 days. Most recently, Audio Function Generator was updated on October 23, 2026 and Polarity pulses on October 25, 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.*