# RacquetTune vs String Master

The clearest difference is price: String Master at Free against RacquetTune's $2.99. String Master also leads on update cadence (weekly vs every 3 months) and rating (5.0 vs 4.6). RacquetTune's advantage is ratings volume (482 vs 8) and chart position (#13 vs unranked). On ads, in-app purchases and device support there is nothing between them.

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

String Master holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: RacquetTune has 482 ratings behind it against 8, so its average is the more settled of the two.

RacquetTune ships an update every 3 months, String Master weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | RacquetTune | String Master |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.6 (482 ratings)](https://appshunter.io/ios/app/racquettune-string-tension/id365729342/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/string-master-tennis-log/id6757102423/reviews)** |
| Number of ratings | **482** | 8 |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Paid | **Free** |
| Best chart rank | **#13** | — |
| Size | 11 MB | 79 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sten Kaiser](https://appshunter.io/developer/309325742) | [ORYONG KIM](https://appshunter.io/developer/1864541863) |

## What reviewers say

### RacquetTune

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

**Currently charting:** #13 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


### String Master

[App page](https://appshunter.io/ios/app/string-master-tennis-log/id6757102423)

Optimize your tennis game by precisely tracking string tension and durability. Record every restring, analyze string performance, and discover the best setups for your playstyle. Never guess about your strings again.

**Highlights:** Smart Restring logging, Custom string input, Smart String Finder, Restring reminders, Detailed logs and history, Hybrid setup support

**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 String Master free?

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

### Which has better reviews, RacquetTune or String Master?

String Master is rated higher. RacquetTune averages 4.6 out of 5 from 482 ratings, while String Master averages 5.0 from 8 ratings.

### Do RacquetTune or String Master have ads?

Neither RacquetTune nor String Master shows ads.

### Which is updated more often, RacquetTune or String Master?

RacquetTune ships an update every 3 months, and String Master weekly. Most recently, RacquetTune was updated on October 27, 2026 and String Master on October 28, 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.*