# TurboTune vs Fourth Hand

The clearest difference is in-app purchases: TurboTune at none against Fourth Hand's 2. TurboTune also leads on iOS requirement (16.0 vs 26.2). Fourth Hand's advantage is update cadence (every 5 days vs every 5 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Fourth Hand sells 2 in-app purchases, starting at $4.99 per month. TurboTune asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for TurboTune against 5.0 for Fourth Hand. Both are backed by a comparable volume of ratings — 4 and 6 respectively.

TurboTune ships an update every 5 months, Fourth Hand every 5 days. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | TurboTune | Fourth Hand |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/turbotune/id6761314616/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/fourth-hand/id6761431900/reviews) |
| Number of ratings | 4 | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 23 MB | 16 MB |
| Requires iOS | **16.0** | 26.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jacob Richards](https://appshunter.io/developer/1888817884) | [Evan Barshay](https://appshunter.io/developer/1889593400) |

## What reviewers say

### TurboTune

[App page](https://appshunter.io/ios/app/turbotune/id6761314616)

This app enhances your driving by generating responsive engine sounds that match your car's real-time RPM data. It provides a visual tachometer and allows you to balance engine audio with your music for a more immersive experience. Requires companion hardware.

**Highlights:** Real-time RPM data, Responsive engine sound, Tachometer display, Adjustable audio balance, Simple hardware connection

**In-app purchases:** none


### Fourth Hand

[App page](https://appshunter.io/ios/app/fourth-hand/id6761431900)

Get fast, step-by-step guidance for common bike problems using chat and photos. Save your bike details for personalized advice and access your repair history anytime.

**Highlights:** AI-powered repair guidance, Photo-based problem description, Personalized bike setup, Repair history tracking, Step-by-step instructions

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fourth Hand Pro Monthly | $4.99 | per month |
| Fourth Hand Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is TurboTune free?

TurboTune is free to download, with no in-app purchases.

### Is Fourth Hand free?

Fourth Hand is free to download, with in-app purchases available.

### Which has better reviews, TurboTune or Fourth Hand?

TurboTune and Fourth Hand are both rated 5.0 out of 5 on the App Store, from 4 and 6 ratings respectively.

### Do TurboTune or Fourth Hand have ads?

Neither TurboTune nor Fourth Hand shows ads.

### Which is updated more often, TurboTune or Fourth Hand?

TurboTune ships an update every 5 months, and Fourth Hand every 5 days. Most recently, TurboTune was updated on October 12, 2026 and Fourth Hand on October 10, 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.*