# RacquetTune vs Turnis

The clearest difference is price: Turnis at Free against RacquetTune's $2.99. Turnis also leads on update cadence (every 3 weeks vs every 3 months). RacquetTune's advantage is chart position (#93 vs unranked) and iOS requirement (12.0 vs 16.4). On ads, in-app purchases and device support there is nothing between them.

Turnis is free to download; RacquetTune costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RacquetTune ships an update every 3 months, Turnis every 3 weeks. The most recent releases landed on November 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | RacquetTune | Turnis |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.6 (482 ratings)](https://appshunter.io/ios/app/racquettune-string-tension/id365729342/reviews)** | — |
| Number of ratings | **482** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Best chart rank | **#93** | — |
| Size | 11 MB | 59 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Sten Kaiser](https://appshunter.io/developer/309325742) | [Tadas Sipavicius](https://appshunter.io/developer/1802276868) |

## What reviewers say

### RacquetTune

[App page](https://appshunter.io/ios/app/racquettune-string-tension/id365729342)

**Currently charting:** #93 Top Paid · Sports (US App Store)

This app uses sound to accurately measure racquet string tension and analyze racquet performance. It offers tools to customize racquets, simulate different configurations, and track stringing consistency for various racket sports.

**Highlights:** String tension measurement, Swingweight calculator, Stiffness calculator, Racquet configuration simulation, Tension history tracking, Export test data

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🔒 Consistent and precise measurements
- 📊 Useful for tracking tension loss over time
- 🔧 Helpful for customizing rackets
- 📋 Good for logging string usage and tension
- 🔍 Accurate enough for most stringing needs

**What reviewers complain about**

- 🐛 Inconsistent or inaccurate readings
- 🔍 Not precise enough for some users
- 🤔 Complicated setup/calibration process
- 🔇 Requires a quiet environment to work properly
- 🔌 Stops working after some time

**Reported bugs**

- App crashes when trying to delete rackets
- String factor database not working properly
- Inconsistent readings on the same racket
- Struggles with rackets with built-in dampers

**Requested features**

- Add more strings to the database
- Allow logging of playing hours
- Improve history/graphing features
- Support for hybrid string setups
- Add racket database for easier setup


### Turnis

[App page](https://appshunter.io/ios/app/turnis/id6749870684)

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

**In-app purchases:** none


## Frequently asked questions

### Is RacquetTune free?

RacquetTune costs $2.99, with no in-app purchases.

### Is Turnis free?

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

### Do RacquetTune or Turnis have ads?

Neither RacquetTune nor Turnis shows ads.

### Which is updated more often, RacquetTune or Turnis?

RacquetTune ships an update every 3 months, and Turnis every 3 weeks. Most recently, RacquetTune was updated on November 1, 2026 and Turnis on October 15, 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.*