# Turntabulator vs Audio Function Generator

The clearest difference is price: Audio Function Generator at Free against Turntabulator's $1.99. Audio Function Generator also leads on rating (4.7 vs 4.2) and update cadence (every 6 weeks vs every 58 months). Turntabulator's advantage is in-app purchases (none vs 1) and chart position (#182 vs unranked). On review sentiment, ads and device support there is nothing between them.

Audio Function Generator is free to download; Turntabulator costs $1.99 up front. Audio Function Generator sells 1 one-off in-app purchase. Turntabulator asks for nothing beyond the download.

Audio Function Generator holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 57, so its average is the more settled of the two. Written reviews point the same way: 75% of Turntabulator's written reviews are positive against 77% of Audio Function Generator's.

Turntabulator ships an update every 58 months, Audio Function Generator every 6 weeks. The most recent releases landed on September 28, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Turntabulator | Audio Function Generator |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.2 (57 ratings)](https://appshunter.io/ios/app/turntabulator/id588251179/reviews) | **[4.7 (2.2K ratings)](https://appshunter.io/ios/app/audio-function-generator/id768229610/reviews)** |
| Number of ratings | 57 | **2.2K** |
| Positive reviews | 74.6% of reviews | **77.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 58 months | **Every 6 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#182** | — |
| Size | 10 MB | 14 MB |
| Requires iOS | **8.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Dougherty](https://appshunter.io/developer/588251182) | [Thomas Gruber](https://appshunter.io/developer/342699861) |

## What reviewers say

### Turntabulator

[App page](https://appshunter.io/ios/app/turntabulator/id588251179)

**Currently charting:** #182 Top Paid · Utilities (US App Store)

Precisely measure your turntable's speed to ensure your vinyl sounds as the artist intended. This app uses advanced analysis to detect RPM accuracy, offering quick or exact measurement modes for audiophiles. Get detailed feedback on speed error and direction.

**Highlights:** Precise RPM measurement, Quick and Exact measurement modes, Displays percentage speed error, Indicates if turntable is fast or slow, Auto-sense 33⅓ or 45 RPM, No gyroscope required

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- ✅ Accurate readings
- 💰 Good value for price
- 💡 Ingenious functionality
- ✨ Neat interface

**What reviewers complain about**

- ⚠️ Not for iPad users
- ❌ Intermittent functionality
- 📉 Accuracy concerns
- 🚫 No refund policy
- 💻 Outdated (32-bit)

**Reported bugs**

- App doesn't detect speed
- Consistently says 'Interrupted'
- Phone spins on platter
- Not accurate compared to tachometer
- Gains to produce results sometimes

**Requested features**

- Support for 78 RPM
- Support for 8 RPM
- Support for 16⅔ RPM
- Real-time readouts for adjustments
- Live value display


### 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 Turntabulator free?

Turntabulator costs $1.99, 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, Turntabulator or Audio Function Generator?

Audio Function Generator is rated higher. Turntabulator averages 4.2 out of 5 from 57 ratings, while Audio Function Generator averages 4.7 from 2.2K ratings.

### Do Turntabulator or Audio Function Generator have ads?

Neither Turntabulator nor Audio Function Generator shows ads.

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

Turntabulator ships an update every 58 months, and Audio Function Generator every 6 weeks. Most recently, Turntabulator was updated on September 28, 2026 and Audio Function Generator on October 5, 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.*