StringTracker vs RacketTune
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StringTracker
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StringTracker helps tennis players keep track of racket string life with a simple, focused workflow. Add your rackets, record when they were last strung, and update playtime after each session. StringTracker keeps a clear running total of hours played on each string job, so you can decide when it is time to restring based on your own playing habits. Track multiple rackets: Keep all your rackets in one place and see their current string age at a glance. Log playtime quickly: Add or subtract playtime with simple swipe actions using your preferred time increment. Set your restring target: Choose the number of play hours you consider optimal before restringing. Mark rackets as restrung: Reset playtime when you restring a racket while keeping your tracking simple. Organize your list: Rename, reorder, or remove rackets as your setup changes. StringTracker is built for players who want a lightweight way to manage racket maintenance without spreadsheets, notes, or complicated session logs.
RacketTune
Manage and analyze your tennis rackets with this tool. Track specs, strings, and tension to find your ideal setup. Calculate weight adjustments for precise tuning.
- Racket management and documentation
- Spec tracking (weight, balance, swing weight)
- String experimentation and comments
- Automated weight calculation for tuning
- Dynamic stringbed tension estimation
- Racket identifier for duplicates
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Designed for tennis enthusiasts, Racket Tune is the ultimate app for tracking, measuring, and analyzing rackets to find the perfect setup for your game. Having a hard time keeping track of all the rackets that you own? Racket Tune stores all your rackets in one place, with all the information you need, including specs, strings, tension, and many more. Like to tinker and experiment with different strings? Racket Tune can store and document strings used and add personal comments so you never forget the feel of each string. Trying to find the spec that you like or like to match the specs across all rackets? Our tuning software helps you find the amount of weight needed to meet the desired specs with a simple interface to fine-tune the racket weight, balance point, and swing weight. Racket Tune also has a tension measuring feature that estimates the dynamic tension of the racket stringbed, to check the quality of string job ensuring consistency across all identical rackets and monitor tension drop-off after each session. Some features includes: Racket management - Store and document all your rackets in one place - Racket identifier helps distinguish between identical rackets - Includes details such as string pattern, length, RA, date strung, tension, … - Includes racket specs(weight, balance, swing weight) - Document strings experimented, and comment on it Specs Tuning - Enter current and desired specs - Our tuning software will calculate the amount of weight needed - Offers one and two position solution for different setups Tension measurement - Determine stringbed tension within seconds - Estimates tension based on parameters including sound, racket head size, stringbed pattern - Update and document tension measured to racket management screen - Indicates when tension has significantly dropped and needed restringing Note, that the tension measurement is only an estimation, and should be used as a reference baseline between each string job, comparison between identical rackets with identical strings, and tension drop-off as time passes.
Screenshots
Verdict
The clearest difference is iOS requirement: StringTracker at 15.0 against RacketTune's 17.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | StringTracker | RacketTune |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.5 (2 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 19 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 32 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Rays Of Space Oy | Liu Guanchen |
In-app purchases
StringTracker
No in-app purchases
RacketTune
No in-app purchases





