---
title: "RacquetTune - String Tension - Reviews, Revenue and Downloads in Canada | 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 — Canada
> Racquet optimization tools

![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:** 4.5/5 (56 ratings)
**Price:** Free
**Bundle ID:** racquetTune
**Store:** Apple App Store
**Country:** Canada
**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/ca/app/app/id365729342)
**AppTail Page:** [https://apptail.io/app/racquettune-string-tension-CTHb/canada](https://apptail.io/app/racquettune-string-tension-CTHb/canada)

## 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 Canada
- 5 stars: 41 (73%)
- 4 stars: 10 (18%)
- 3 stars: 0 (0%)
- 2 stars: 1 (2%)
- 1 stars: 4 (7%)

## RacquetTune Reviews in Canada

### *---- "Not accurate at all"
Waste of money, newly strung racquet at 53lb, app only give 40lb, tested a few more, none of them even close. Don’t buy!
-- Halbert2011, 2023-12-15

### *---- "Worked ONE TIME (maybe?)"
Gave me a number like 27lbs in a racquet that had been strung at 58lbs and played about 50 hours. Then never again another reading using the exact same thing to tap with. Do not get ripped off! Save your $4 and buy a coffee instead.
-- djforcefield, 2022-11-30

### **--- "Okay, but waste of time"
The app has a few good options, but I just need a tool to give me the right tension. 
Just strung 2 racquets at 52lbs , followed the instructions closely and tried it out. It gave me 42, 41, 43... then I tried with the other racquet: 44,45, 44lbs. Pretty far off and the little circle takes forever to go full. Tried different configurations and played in the settings as well..
For me it's a waste of money and time to use this app. Uninstalled from my iPhone.
-- dodolelion, 2017-06-17

### ****- "Great app"
I only use for tension. Not sure about the accuracy but it's a nice gauge for tension loss.
-- Viewer9990909, 2017-01-25

### ****- "Nice app"
I like this app. I only use it for tension. 
I'm don't think it is super accurate but it is consistent which is not important for me.
-- Lance944, 2017-01-19

### ***** "Racket time"
Nice app, keep up the good work
-- Gtbb1, 2015-04-30

### ****- "Great"
Pretty good for a two dollar app. Glitched a little at first but patches have fixed most of it.
-- Jian Zhang, 2014-01-11

### ****- "Very helpful"
People who play a lot need consistency, and this app keeps the stringer in check, if you are not hitting well, you can now eliminate string tension issues, the actual accuracy of poundage doesn't matter (although very accurate actually) what one really needs and gets is a reference point and a way to monitor string tension drop over x hours of play , it's great!
-- Lovovovov, 2012-07-11

### ***** "Wow!"
I was always wondering about real time tension info on my strings since i wanted to know what tension was my racquet at just when I was getting the best feel from it. Now i can do it and let my stringer know exactly what I want and check his work too:)
-- NullAll, 2011-01-29

[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 | Indonesia | Sports | #4 |
| Top Paid | Canada | Sports | #4 |
| Top Paid | Romania | Sports | #6 |
| Top Paid | Hong Kong SAR China | Sports | #8 |
| Top Paid | Brazil | Sports | #9 |
| Top Paid | Greece | Sports | #9 |
| Top Paid | Vietnam | Sports | #10 |
| Top Paid | Singapore | Sports | #10 |
| Top Paid | South Korea | Sports | #12 |
| Top Paid | India | Sports | #12 |
| Top Paid | Peru | Sports | #12 |
| Top Paid | Portugal | Sports | #13 |
| Top Paid | Thailand | Sports | #14 |
| Top Paid | United States | Sports | #14 |
| Top Paid | Pakistan | Sports | #15 |
| Top Paid | Chile | Sports | #15 |
| Top Paid | Nigeria | Sports | #16 |
| Top Paid | Ecuador | Sports | #16 |
| Top Paid | Türkiye | Sports | #16 |
| Top Paid | Malaysia | Sports | #16 |
| Top Paid | Philippines | Sports | #18 |
| Top Paid | Finland | Sports | #19 |
| Top Paid | Colombia | Sports | #19 |
| Top Paid | Taiwan | Sports | #19 |
| Top Paid | Italy | Sports | #20 |
| Top Paid | France | Sports | #21 |
| Top Paid | Argentina | Sports | #21 |
| Top Paid | Japan | Sports | #22 |
| Top Paid | Egypt | Sports | #22 |
| Top Paid | Switzerland | Sports | #22 |
| Top Paid | Israel | Sports | #24 |
| Top Paid | Ukraine | Sports | #25 |
| Top Paid | Czechia | Sports | #25 |
| Top Paid | Australia | Sports | #26 |
| Top Paid | Dominican Republic | Sports | #26 |
| Top Paid | Poland | Sports | #27 |
| Top Paid | Austria | Sports | #29 |
| Top Paid | Sweden | Sports | #34 |
| Top Paid | United Arab Emirates | Sports | #34 |
| Top Paid | Belgium | Sports | #34 |
| Top Paid | Spain | Sports | #35 |
| Top Paid | Russia | Sports | #37 |
| Top Paid | Hungary | Sports | #39 |
| Top Paid | Kazakhstan | Sports | #39 |
| Top Paid | China | Sports | #40 |
| Top Paid | Germany | Sports | #40 |
| Top Paid | Mexico | Sports | #40 |
| Top Paid | Lebanon | Sports | #43 |
| Top Paid | Netherlands | Sports | #44 |
| Top Paid | Ireland | Sports | #46 |
| Top Paid | Denmark | Sports | #51 |
| Top Paid | Belarus | Sports | #55 |
| Top Paid | South Africa | Sports | #61 |
| Top Paid | New Zealand | Sports | #62 |
| Top Paid | Saudi Arabia | Sports | #66 |
| Top Paid | United Kingdom | Sports | #67 |
| Top Paid | Norway | Sports | #67 |
| Top Paid | Azerbaijan | Sports | #89 |
| Top Paid | Canada | Overall | #123 |
| Top Paid | Kuwait | Sports | #154 |
| Top Paid | Indonesia | Overall | #198 |
| Top Paid | Brazil | Overall | #307 |
| Top Paid | United States | Overall | #308 |
| Top Paid | France | Overall | #388 |
| Top Paid | Switzerland | Overall | #410 |
| Top Paid | Australia | Overall | #484 |

## RacquetTune Discovered Keywords
- string tension

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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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