# Audio Function Generator vs AI Resistor Color Code Scanner

The clearest difference is rating: Audio Function Generator at 4.7 against AI Resistor Color Code Scanner's 3.0. Audio Function Generator also leads on ratings volume (2.2K vs 1) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Audio Function Generator sells 1 one-off in-app purchase and AI Resistor Color Code Scanner 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 1, so its average is the more settled of the two.

Audio Function Generator ships an update every 6 weeks, AI Resistor Color Code Scanner every 5 weeks. The most recent releases landed on September 24, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Audio Function Generator | AI Resistor Color Code Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.2K ratings)](https://appshunter.io/ios/app/audio-function-generator/id768229610/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/ai-resistor-color-code-scanner/id6748325846/reviews) |
| Number of ratings | **2.2K** | 1 |
| Positive reviews | 77.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 163 MB |
| Requires iOS | **15.5** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Andrew Ausonio](https://appshunter.io/developer/1697652973) |

## 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


### AI Resistor Color Code Scanner

[App page](https://appshunter.io/ios/app/ai-resistor-color-code-scanner/id6748325846)

Instantly identify and calculate resistor values using your iPhone camera. This tool eliminates the need for manual color band reading and charts, offering quick results for engineers, hobbyists, and students. Save your scans and organize them into projects for efficient workflow.

**Highlights:** Instant camera scanning, Save and organize scans, Interactive color band editing, Supports 3-6 band resistors, Offline functionality, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | one-time |


## Frequently asked questions

### Is Audio Function Generator free?

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

### Is AI Resistor Color Code Scanner free?

AI Resistor Color Code Scanner is free to download, with in-app purchases available.

### Which has better reviews, Audio Function Generator or AI Resistor Color Code Scanner?

Audio Function Generator is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while AI Resistor Color Code Scanner averages 3.0 from 1 ratings.

### Do Audio Function Generator or AI Resistor Color Code Scanner have ads?

Neither Audio Function Generator nor AI Resistor Color Code Scanner shows ads.

### Which is updated more often, Audio Function Generator or AI Resistor Color Code Scanner?

Audio Function Generator ships an update every 6 weeks, and AI Resistor Color Code Scanner every 5 weeks. Most recently, Audio Function Generator was updated on September 24, 2026 and AI Resistor Color Code Scanner on September 3, 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.*