# RacquetTune vs StringTracker

The clearest difference is price: StringTracker at Free against RacquetTune's $2.99. RacquetTune's advantage is update cadence (every 3 months vs every 19 months) and chart position (#16 vs unranked). On ads, in-app purchases and device support there is nothing between them.

StringTracker 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, StringTracker every 19 months. The most recent releases landed on September 22, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | RacquetTune | StringTracker |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.6 (474 ratings)](https://appshunter.io/ios/app/racquettune-string-tension/id365729342/reviews)** | — |
| Number of ratings | **474** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 19 months |
| Monetization | Paid | — |
| Best chart rank | **#16** | — |
| Size | 11 MB | 32 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sten Kaiser](https://appshunter.io/developer/309325742) | [Rays Of Space Oy](https://appshunter.io/developer/1768753115) |

## What reviewers say

### RacquetTune

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

**Currently charting:** #16 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


### StringTracker

[App page](https://appshunter.io/ios/app/stringtracker/id6689519022)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RacquetTune free?

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

### Is StringTracker free?

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

### Do RacquetTune or StringTracker have ads?

Neither RacquetTune nor StringTracker shows ads.

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

RacquetTune ships an update every 3 months, and StringTracker every 19 months. Most recently, RacquetTune was updated on September 22, 2026 and StringTracker on September 16, 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.*