# Audio Function Generator vs Electronics Circuit Calc Pro

The clearest difference is review sentiment: Audio Function Generator at 77% against Electronics Circuit Calc Pro's 0%. Audio Function Generator also leads on price (Free vs $3.99) and rating (4.7 vs 4.3). Electronics Circuit Calc Pro's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

Audio Function Generator is free to download; Electronics Circuit Calc Pro costs $3.99 up front. Audio Function Generator sells 1 one-off in-app purchase. Electronics Circuit Calc Pro asks for nothing beyond the download.

Audio Function Generator holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 77% of Audio Function Generator's written reviews are positive against 0% of Electronics Circuit Calc Pro's.

Audio Function Generator ships an update every 6 weeks, Electronics Circuit Calc Pro every 2 months. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Audio Function Generator | Electronics Circuit Calc Pro |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.7 (2.2K ratings)](https://appshunter.io/ios/app/audio-function-generator/id768229610/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/electronics-circuit-calc-pro/id1583600520/reviews) |
| Number of ratings | **2.2K** | 3 |
| Positive reviews | **77.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 13 MB | 31 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## 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


### Electronics Circuit Calc Pro

[App page](https://appshunter.io/ios/app/electronics-circuit-calc-pro/id1583600520)

This app provides a comprehensive suite of calculators and design tools for electronic engineering projects. It assists with circuit design, filter analysis, and calculations for various components like resistors, capacitors, and inductors. Ideal for both professionals and students, it simplifies complex electronic tasks.

**Highlights:** Circuit design tools, Filter design with graph plotting, Resistor, capacitor, inductor design, Amplifier calculations, Ohm's Law calculator, 555 timer calculator, PCB trace width calculator

**Features:** macOS Compatibility, 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 Electronics Circuit Calc Pro free?

Electronics Circuit Calc Pro costs $3.99, with no in-app purchases.

### Which has better reviews, Audio Function Generator or Electronics Circuit Calc Pro?

Audio Function Generator is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while Electronics Circuit Calc Pro averages 4.3 from 3 ratings.

### Do Audio Function Generator or Electronics Circuit Calc Pro have ads?

Neither Audio Function Generator nor Electronics Circuit Calc Pro shows ads.

### Which is updated more often, Audio Function Generator or Electronics Circuit Calc Pro?

Audio Function Generator ships an update every 6 weeks, and Electronics Circuit Calc Pro every 2 months. Most recently, Audio Function Generator was updated on October 17, 2026 and Electronics Circuit Calc Pro 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.*