---
title: "RacquetTune - String Tension - Reviews, Revenue and Downloads in Italy | Apple App Store"
description: "Listen to your racquet and perfect your game!  RacquetTune ensures that your racquet is ideally suited to your style of play. Simple and straightforward to use, the app uses the sound generated by tap"
---

# RacquetTune - String Tension — Italy

![RacquetTune App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/2e/c3/94/2ec394b0-2182-313b-93ab-61c6e02184fd/AppIcon-0-0-1x_U007emarketing-0-7-0-0-85-220.png/434x0w.png)

**Developer:** [Sten Kaiser](https://apptail.io/developer/sten-kaiser-lPW)
**Category:** Sports
**Rating:** 4.6/5 (104 ratings)
**Price:** Free
**Bundle ID:** racquetTune
**Store:** Apple App Store
**Country:** Italy
**Version:** 7.7 (released 2026-04-02)
**Original Release:** 2010-04-07
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/it/app/app/id365729342)
**AppTail Page:** [https://apptail.io/app/racquettune-string-tension-CTHb/italy](https://apptail.io/app/racquettune-string-tension-CTHb/italy)

## RacquetTune Description
Listen to your racquet and perfect your game!

RacquetTune ensures that your racquet is ideally suited to your style of play. Simple and straightforward to use, the app uses the sound generated by tapping the strings to calculate the tension with high accuracy. In addition, the interactive swingweight calculator aids in customizing your racquet to fit your own stroke pattern, while the stiffness calculator allows you to simulate different racquet configurations. 

RacquetTune not only makes it easier to decide when it is time to restring, it is also an invaluable tool when testing different racquets and strings and in identifying which of your racquets is best suited for different types of games. RacquetTune also allows you to check whether your stringer is consistent in his work. 
RacquetTune includes the following user-friendly tools:

Tension measurement 
- Quickly determines the tension and stringbed stiffness. 
- Able to detect changes in tension as small as 0.1 kg/0.2 lb.
- An accuracy indicator ensures results are consistent. 
- Graphical presentation of sound waves helps you find the ideal way of tapping the strings. 
- Settings can be customized to serve tennis, squash, racquetball and badminton racquets, respectively. 
- View the tension history for each racquet as a list or a graph.
- Email a spreadsheet with test data.

Swingweight calculator 
- Add as many weights as you wish to the frame. 
- Move and change weights to visualize how swingweight, balance and sweet spot location are affected.
- Enter target values for the racquet and let RacquetTune distribute the weights automatically.

Stiffness calculator 
- Simulate various racquet and string configurations
- Vary tension, string type and racquet head size. 
- Shows load-displacement curves, stiffness and elastic energies 
- Handles the large deformations encountered in actual play 

View a demo video at racquettune.com

RacquetTune has been featured in tennis magazines in USA, Italy, France, Germany, Sweden and Norway. 

"The app is very, very impressive. I get more tension diagnostic questions than just about anybody in the universe, so this is a very good thing to be able to recommend." 
Jonathan Wolfe 
US Racquet Stringers Association

Note, that the actual string tension in the racquet and the setting seen on a stringing machine are two different things and therefore incomparable - more information can be found at racquettune.com.

## RacquetTune Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/b0/38/0b/b0380bba-d289-11ca-f1c8-9dbe439c5338/mzl.afoccyox.jpg/640x920.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/19/bd/3f/19bd3f34-6b57-1200-76c6-a5f98454e99c/mzl.wqqemjls.jpg/640x920.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/bd/38/8c/bd388cf3-119b-50c0-1f6c-54655f3574eb/mzl.eganawws.jpg/640x920.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/7b/11/df/7b11dfe7-e2de-cc86-74e8-21de6952ab57/mzl.vtpftzif.jpg/640x920.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/55/23/a7/5523a7d2-d03f-7797-f3fc-21348d5a5764/mzl.yisdnlwc.jpg/640x920.png)

## RacquetTune Rating Breakdown in Italy
- 5 stars: 79 (76%)
- 4 stars: 15 (14%)
- 3 stars: 4 (4%)
- 2 stars: 1 (1%)
- 1 stars: 5 (5%)

## RacquetTune Reviews in Italy

### *---- "Non buttate soldi"
Ingannato dalle recensioni molto positive ho acquistato l’app. Racchette incordate ieri a 24/23 kg, risultato dell’app 19kg. Provato anche su altre racchette dà sempre risultati sballati.
-- Roberto2596, 2022-04-24

### ***** "Ottima app."
Da avere assolutamente.. però oggi 03-02-2020 è da aggiornare assolutamente
-- Kriptonite21, 2020-02-03

### ***** "Funziona"
Trovo la misurazione migliore si fa con una pallina tirata al centro del piatto corde, misura secondo me perfettamente la tensione, a chi dice che misura 0.5 in meno mi sembra normae se misuri corde tirate 23-22 è normale che da 22.5, se la incordi 23-23 ti darà 23, molto utile per rendersi conto del calo di tensione, e magari alzare un pó per avere la racchetta dopo la prima partita di assestamento dove si perde di media 0.5 - 1 kg, incordata alla tensione desiderata, infatti dopo 2 ore si gioco ho la racchetta perfetta se avessi incordato come al solito ora avrei 1.5 kg in meno e mano mano che si gioca perde, dopo 2 ore di gioco oggi ho perso 0.3 kg
-- Daniel Roma, 2018-08-25

### ****- "Good"
Good app! ...I suggest easier explanation fot weight and balancing, thanks!
Also italian language!
-- Alvarez75, 2016-09-18

### ***** "Ok"
Very good
-- Gianfia, 2016-04-27

### ***** "Ok"
It needs a calibration with a mechanical device for measuring the string tension but after this step is fantastic
-- Vlaulne, 2014-10-04

### *---- "Ovviamente Inaffidabile"
Lo sapevo già ma ho voluto provarla comunque... Racchette appena incordate a 24kg, sono un agonista quindi incordature professionali... Mi da 21 kg l'applicazione, se siete tennisti sapete bene la differenza che ci può essere già con un kg in più o in meno... NON compratela soldi buttati!!!!!!!!
-- sergiodirio, 2014-03-30

### ***-- "Good"
Italian language,please!!!!
App molto buona per esperti e intenditori di tennis.
-- Gas Ricky, 2013-08-01

### ****- "Aggiornamento"
L'unica cosa che serve e' un aggiornamento per corde e racchette ... Siamo nel 2013!!!!
-- ANDU 1635556, 2013-05-08

### ***** "app"
Ottima app. molto utile ...
-- Rogosix, 2013-02-21

### ****- "Good but"
Great idea but little complicated
-- Agnusbop, 2013-01-20

### ***** "Racket tune"
Ottima app e mio attendibile, consigliata!
-- Maggy010, 2012-12-15

### ***-- "."
Bella e interessante. Peccato che non calcola di quanto si sposta lo sweet spot aggiungendo i pesi.
-- Geps1, 2012-12-14

### ***** "Mi piace molto"
Ovviamente non ci si può aspettare la precisione al grammo ma non riesco nemmeno a capire come alcune persone parlano di 10 kg o 20 kg di differenza . È tutta una questione di inserire i dati correttamente !!! Io lo uso molto👍
-- Asketto, 2012-09-07

### ****- "Molto utile"
Utile e semplice da usare. Consigliata!
-- Andreas Grof, 2012-09-03

### ***** "Ottima app"
Ottima app, molto attendibile.
-- padesa62, 2012-08-24

### ****- "Ottima"
Non precisa al 100% ma utilissima
-- PD 2012, 2012-08-17

### ***** "Ottima app"
Ovviamente deve essere utilizzata per lo scopo per cui è stata creata, ossia valutare il decadimento di un'incordatura e la consistenza dei propri lavori con medesime caratteristiche: per fare ciò funziona benissimo e ha diversi tool interessanti, oltre a garantire un archivio storico dei propri lavori. Ottima e conveniente.
-- Benest Sondrio, 2012-08-13

### ****- "Distinto"
Se ben utilizzata è affidabile ( considerate un po di scarto), ovviamente richiede accortezza, ma per il costo che ha la consiglio a tutti gli appassionati.
-- Supertix, 2012-06-02

### ***** "Ottimo!"
Funziona bene. Confrontato con ERT-300: differenza 0,5 kg. Come spiegato dal produttore, è naturale che misuri un po' meno della tensione impostata sull'incordatrice. Come "percussore" per le corde consiglio qualcosa di pesante, per es. chiavi macchina o cacciavite.
La cosa più utile e la possibilità di salvare e visualizzare la "storia" dell'incordatura di ogni racchetta! Ottimi gli ultimi aggiornamenti.
-- In Fabula, 2011-10-25

[View all RacquetTune reviews and detailed analytics on AppTail](https://apptail.io/account/signup?utm_campaign=ai-crawl&utm_content=reviews)


## RacquetTune Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Top Paid | Singapore | Sports | #1 |
| Top Paid | United Arab Emirates | Sports | #1 |
| Top Paid | Brazil | Sports | #3 |
| Top Paid | Russia | Sports | #4 |
| Top Paid | Taiwan | Sports | #4 |
| Top Paid | Poland | Sports | #4 |
| Top Paid | Greece | Sports | #7 |
| Top Paid | Romania | Sports | #7 |
| Top Paid | Peru | Sports | #9 |
| Top Paid | Italy | Sports | #9 |
| Top Paid | Thailand | Sports | #11 |
| Top Paid | Hong Kong SAR China | Sports | #11 |
| Top Paid | Indonesia | Sports | #11 |
| Top Paid | India | Sports | #12 |
| Top Paid | Vietnam | Sports | #12 |
| Top Paid | France | Sports | #13 |
| Top Paid | South Korea | Sports | #13 |
| Top Paid | Ecuador | Sports | #14 |
| Top Paid | Nigeria | Sports | #15 |
| Top Paid | Argentina | Sports | #16 |
| Top Paid | Pakistan | Sports | #16 |
| Top Paid | Chile | Sports | #17 |
| Top Paid | Portugal | Sports | #17 |
| Top Paid | Finland | Sports | #17 |
| Top Paid | Türkiye | Sports | #18 |
| Top Paid | Philippines | Sports | #20 |
| Top Paid | Colombia | Sports | #20 |
| Top Paid | Malaysia | Sports | #20 |
| Top Paid | Egypt | Sports | #21 |
| Top Grossing | Russia | Sports | #23 |
| Top Paid | Israel | Sports | #23 |
| Top Paid | Spain | Sports | #23 |
| Top Paid | Ukraine | Sports | #26 |
| Top Paid | Dominican Republic | Sports | #26 |
| Top Paid | Austria | Sports | #31 |
| Top Paid | Canada | Sports | #35 |
| Top Paid | Czechia | Sports | #36 |
| Top Paid | Japan | Sports | #37 |
| Top Paid | China | Sports | #38 |
| Top Paid | Sweden | Sports | #38 |
| Top Paid | Lebanon | Sports | #39 |
| Top Paid | Hungary | Sports | #40 |
| Top Paid | Mexico | Sports | #41 |
| Top Paid | Kazakhstan | Sports | #41 |
| Top Paid | Belgium | Sports | #43 |
| Top Paid | United States | Sports | #44 |
| Top Paid | Ireland | Sports | #47 |
| Top Paid | Netherlands | Sports | #47 |
| Top Paid | Switzerland | Sports | #51 |
| Top Paid | United Arab Emirates | Overall | #51 |
| Top Paid | Belarus | Sports | #53 |
| Top Paid | Denmark | Sports | #55 |
| Top Paid | South Africa | Sports | #55 |
| Top Paid | Germany | Sports | #60 |
| Top Paid | Saudi Arabia | Sports | #62 |
| Top Paid | Norway | Sports | #62 |
| Top Paid | New Zealand | Sports | #63 |
| Top Paid | Australia | Sports | #78 |
| Top Paid | Poland | Overall | #80 |
| Top Paid | Azerbaijan | Sports | #88 |
| Top Grossing | United Arab Emirates | Sports | #99 |
| Top Paid | Brazil | Overall | #105 |
| Top Paid | United Kingdom | Sports | #114 |
| Top Paid | Singapore | Overall | #144 |
| Top Paid | Kuwait | Sports | #155 |
| Top Paid | Russia | Overall | #169 |
| Top Paid | Taiwan | Overall | #302 |
| Top Paid | France | Overall | #363 |
| Top Paid | Spain | Overall | #371 |
| Top Paid | Italy | Overall | #438 |


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## RacquetTune Available In
- [United States](https://apptail.io/app/racquettune-string-tension-CTHb/united-states)
- [Japan](https://apptail.io/app/racquettune-string-tension-CTHb/japan)
- [Germany](https://apptail.io/app/racquettune-string-tension-CTHb/germany)
- [Italy](https://apptail.io/app/racquettune-string-tension-CTHb/italy)
- [Canada](https://apptail.io/app/racquettune-string-tension-CTHb/canada)
- [Australia](https://apptail.io/app/racquettune-string-tension-CTHb/australia)
- [United Kingdom](https://apptail.io/app/racquettune-string-tension-CTHb/united-kingdom)
- [Brazil](https://apptail.io/app/racquettune-string-tension-CTHb/brazil)
- [South Korea](https://apptail.io/app/racquettune-string-tension-CTHb/south-korea)
- [Austria](https://apptail.io/app/racquettune-string-tension-CTHb/austria)
- [Switzerland](https://apptail.io/app/racquettune-string-tension-CTHb/switzerland)
- [Netherlands](https://apptail.io/app/racquettune-string-tension-CTHb/netherlands)
- [France](https://apptail.io/app/racquettune-string-tension-CTHb/france)
- [China](https://apptail.io/app/racquettune-string-tension-CTHb/china)
- [Sweden](https://apptail.io/app/racquettune-string-tension-CTHb/sweden)
- [Hong Kong SAR China](https://apptail.io/app/racquettune-string-tension-CTHb/hong-kong)
- [Romania](https://apptail.io/app/racquettune-string-tension-CTHb/romania)
- [Belgium](https://apptail.io/app/racquettune-string-tension-CTHb/belgium)
- [Poland](https://apptail.io/app/racquettune-string-tension-CTHb/poland)
- [Spain](https://apptail.io/app/racquettune-string-tension-CTHb/spain)
- [Finland](https://apptail.io/app/racquettune-string-tension-CTHb/finland)
- [Türkiye](https://apptail.io/app/racquettune-string-tension-CTHb/turkey)
- [Czechia](https://apptail.io/app/racquettune-string-tension-CTHb/czechia)
- [Slovakia](https://apptail.io/app/racquettune-string-tension-CTHb/slovakia)
- [Portugal](https://apptail.io/app/racquettune-string-tension-CTHb/portugal)
- [Russia](https://apptail.io/app/racquettune-string-tension-CTHb/russia)
- [Taiwan](https://apptail.io/app/racquettune-string-tension-CTHb/taiwan)
- [New Zealand](https://apptail.io/app/racquettune-string-tension-CTHb/new-zealand)
- [Denmark](https://apptail.io/app/racquettune-string-tension-CTHb/denmark)
- [Singapore](https://apptail.io/app/racquettune-string-tension-CTHb/singapore)
- [Lithuania](https://apptail.io/app/racquettune-string-tension-CTHb/lithuania)
- [Thailand](https://apptail.io/app/racquettune-string-tension-CTHb/thailand)
- [Argentina](https://apptail.io/app/racquettune-string-tension-CTHb/argentina)
- [Croatia](https://apptail.io/app/racquettune-string-tension-CTHb/croatia)
- [Hungary](https://apptail.io/app/racquettune-string-tension-CTHb/hungary)
- [Indonesia](https://apptail.io/app/racquettune-string-tension-CTHb/indonesia)
- [Greece](https://apptail.io/app/racquettune-string-tension-CTHb/greece)
- [Chile](https://apptail.io/app/racquettune-string-tension-CTHb/chile)
- [Norway](https://apptail.io/app/racquettune-string-tension-CTHb/norway)
- [South Africa](https://apptail.io/app/racquettune-string-tension-CTHb/south-africa)
- [India](https://apptail.io/app/racquettune-string-tension-CTHb/india)
- [Mexico](https://apptail.io/app/racquettune-string-tension-CTHb/mexico)
- [Bulgaria](https://apptail.io/app/racquettune-string-tension-CTHb/bulgaria)
- [Slovenia](https://apptail.io/app/racquettune-string-tension-CTHb/slovenia)
- [Ireland](https://apptail.io/app/racquettune-string-tension-CTHb/ireland)
- [United Arab Emirates](https://apptail.io/app/racquettune-string-tension-CTHb/united-arab-emirates)
- [Latvia](https://apptail.io/app/racquettune-string-tension-CTHb/latvia)
- [Israel](https://apptail.io/app/racquettune-string-tension-CTHb/israel)
- [Malaysia](https://apptail.io/app/racquettune-string-tension-CTHb/malaysia)
- [Dominican Republic](https://apptail.io/app/racquettune-string-tension-CTHb/dominican-republic)
- [North Macedonia](https://apptail.io/app/racquettune-string-tension-CTHb/north-macedonia)
- [Estonia](https://apptail.io/app/racquettune-string-tension-CTHb/estonia)
- [Armenia](https://apptail.io/app/racquettune-string-tension-CTHb/armenia)
- [Cyprus](https://apptail.io/app/racquettune-string-tension-CTHb/cyprus)
- [Ecuador](https://apptail.io/app/racquettune-string-tension-CTHb/ecuador)
- [Philippines](https://apptail.io/app/racquettune-string-tension-CTHb/philippines)
- [Saudi Arabia](https://apptail.io/app/racquettune-string-tension-CTHb/saudi-arabia)
- [Egypt](https://apptail.io/app/racquettune-string-tension-CTHb/egypt)
- [Algeria](https://apptail.io/app/racquettune-string-tension-CTHb/algeria)
- [Colombia](https://apptail.io/app/racquettune-string-tension-CTHb/colombia)
- [Ukraine](https://apptail.io/app/racquettune-string-tension-CTHb/ukraine)
- [Uzbekistan](https://apptail.io/app/racquettune-string-tension-CTHb/uzbekistan)
- [Vietnam](https://apptail.io/app/racquettune-string-tension-CTHb/vietnam)
- [Kazakhstan](https://apptail.io/app/racquettune-string-tension-CTHb/kazakhstan)
- [Kuwait](https://apptail.io/app/racquettune-string-tension-CTHb/kuwait)
- [Lebanon](https://apptail.io/app/racquettune-string-tension-CTHb/lebanon)
- [Sri Lanka](https://apptail.io/app/racquettune-string-tension-CTHb/sri-lanka)
- [Madagascar](https://apptail.io/app/racquettune-string-tension-CTHb/madagascar)
- [Macao SAR China](https://apptail.io/app/racquettune-string-tension-CTHb/macau)
- [Malta](https://apptail.io/app/racquettune-string-tension-CTHb/malta)
- [Nigeria](https://apptail.io/app/racquettune-string-tension-CTHb/nigeria)
- [Azerbaijan](https://apptail.io/app/racquettune-string-tension-CTHb/azerbaijan)
- [Bahrain](https://apptail.io/app/racquettune-string-tension-CTHb/bahrain)
- [Iceland](https://apptail.io/app/racquettune-string-tension-CTHb/iceland)
- [Peru](https://apptail.io/app/racquettune-string-tension-CTHb/peru)
- [Pakistan](https://apptail.io/app/racquettune-string-tension-CTHb/pakistan)
- [Paraguay](https://apptail.io/app/racquettune-string-tension-CTHb/paraguay)
- [Belarus](https://apptail.io/app/racquettune-string-tension-CTHb/belarus)

---

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