INFORMATION

Updated:
Version:
7.6
Size:
7.9 MB
Category:
Sports
Required:
iOS
Rating:
Publish:
2020-02-28
Price:
$2.99
Developer:

WHAT'S NEW

- All weights in swingweight can be removed with a long press on the +Weight button. - A problem with uploading the database has been fixed.

RacquetTune App SCREENSHOT

【图】RacquetTune – String Tension(截图1)【图】RacquetTune – String Tension(截图2)【图】RacquetTune – String Tension(截图3)

RacquetTune App 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.

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RacquetTune App DOWNLOAD

App StoreOfficial Website

App REVIEWS

kayak4wa..

I restrung my racquet at 55#. This app said the tension was 40.2# right after I finished. I checked the string factor and ensured that I’d entered the correct values all the parameters (e.g. string pattern, racquet face size). I followed the measurement procedure to the letter. I could believe a couple lb. change but 15? Nyet. The racquet plays like 50-55. A Gamma String Tension Tester said the two center main strings were at 55# and the two center cross strings were at 39 and 40#. Why are other users getting numbers close to the tension at which they strung? Not even close for this app. Sorry

raw1952

Don’t waste your money

Hillel21..

It’s almost too good to be true. I get readings and I think, no, it must be wrong. It can’t be a mistake a made. Sure enough, I did something wrong. When I string exactly the same, I get the exact same output. This is an amazing app. It has helped me string better and learn more about how my string tension changes over time. Well done!!

Css1015

I place the phone on a table, lay the racquet about an inch above it and use a wooden spatula to hit the strings. It has a delta of +/- 4-5 lbs and is hard for me to trust.

Moradali

I have had this App for a week now and the results have been much better than expected! I use it to find out how much tension drops after each playing session.

jdhdeudb..

Fantastic app. Incredibly useful to graph how the racket loses tension over time. Readings are very accurate. (note, if I’m stringing a poly, I can sometimes lose up to 10% by the time it’s off the stringer, then maybe another 10% over the next 48 hours) String factor accuracy is crucial, and the online database can be hit or miss, you’ll see lots of variation in there. You should measure this yourself to make sure it’s accurate, because it will greatly affect the reading. I use the weight method, and that’s worked out well for me so far.

elsprong

It doesn’t give you consistent tension. It gives me different tension every time. Total garbage.

iSheepox

90% of the time I could no get the app to pick up a tension despite following the guides Racket strung at 47lbs confirmed on ERT tension tester machine. When I got racket tunes to pick up, it showed 58lbs. Used the correct string set up. At best this app might be able to tell you which of your rackets is strung a bit tighter. But that’s all. Just a gimmick. Wouldn’t waste your money

Toruna

I'm using hybrid strings (VS Touch and RPM or Solinco Tourbite) with different tentions for mains and crosses and couldn't get a consistent display. Spend quite some time to try to get the string factor setup right with no luck.

TennisSt..

Strung all 3 of my DR98 to 55lbs with Solinco Tour Bite 16g. Checked tension right after stringing and gave me readings of 48lbs on all 3. Tried to mess around with the string factor, but it still gave me readings between 45-49lb mark. I’m still going to keep the app to use as tension reference points after matches.

EzR1d3r

Perfect for customizing rackets

Switch

Without a doubt the closest thing to an industry standard in measuring relative string tension. Incredibly accurate. Should be in every serious player's toolkit. There is no competition when it comes to this App.

Justin56..

Doesn’t work plain and simple. I knew better. Just a toy.

kungfu

I have 3 kids who play competitive tennis and so stringing has become essential. I find the app to be incredibly accurate, allowing me to get predictable tension every time. I could calibrate the tension on my stringer with the reported tension on the app but that's not necessary since the readings are so consistent. I now have something like 10 different racquets and at least that many strings in the database . It's easy to add more. It's great for checking tension after a couple of uses as well as for actual stringing. Very impressed. I've strung over 100 times using it and I'm very satisfied.

msharkm

Great way to track the loss of tension of your string job. 1st version it was sometimes tough to hit the and get a reading; with the current version it almost always gives a good reading.

Obieseve..

Great little app. I have three racquets that I have strung the same (50lb) on a digital machine with full bed poly every two to three months. I check the tension with the app every three to four weeks and can see the steady decrease to about 40 lb at which point I restring. I play with confidence that nothing wacky has happened to the tension.

Doc6284

Awesome app. Great instructions on how to use its functions and the information it provides is easy to read.

SMA

Strung Babolat PD 107 today at 54 reads 41.3 lbs. TiS2 strung yesterday at 55 today reads 49. Not happy.

Jimmyold..

Very useful in tracking relative tension loss over time or comparing tension in multiple rackets. Helpful in showing members when it's time to restring.

Boombost..

This app says one of my racquet is 23 psi. It also says another racquet is 54 when I know it is 60 psi. All of the shock absorbers are off of the racquets. Mind you this is after plucking the string 99 times.