• Giri -The RPM Checker- 1
  • Giri -The RPM Checker- 2
  • Giri -The RPM Checker- 3
  • Giri -The RPM Checker- 4

Giri -The RPM Checker-

Giri is the RPM measurement tool. Please use it for measuring the rotational speed of the motor, such as drivable model car. It has featured focus for noise removal. It has featured speed conversion panel. It has featured memo panel. It is also offering nice skins.
[[[NOTE]]]
* Please measure in a state of only motor sound, for example remove the gear.
* Please measure as close to the motor microphone.

Category : Tools

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Reviews (29)

Gau. S. Jan 17, 2021     

It might not be very accurate but it is accurate enough to provide a good range which is within the range of the actual rpm. Amazing application. I measured the rpms of cooling fans of my computer and the values were close enough.

Tex. T. Aug 30, 2020     

At first very good for the current version. Out of sudden it become not function.. Not accurate at all... I download using another phone which is using android 9 but not 10...still the same problem..

The. C. Jul 14, 2020     

Good, easy to use. would be better if the memo can attach image, this function seem not working

Mar. F. Mar 27, 2020     

This app is useless! Every time I try to load a picture of a motor, it never accepts it! It's only sensitive to noise. DO NOT INSTALL THIS APP!!!

Mit. C. Mar 23, 2019     

Works pretty good!!! Within 100/200 rpm of my laser tach, so now I just don't pull it out anymore. Nice job.

Rid. V. Dec 6, 2021     

It can't be used at all... Only works on older Android version.. šŸ˜ž

Phi. Jul 26, 2021     

working. Put near microphone, wait until it process the sound.

Les. L. Jan 2, 2019     

when i put my motor near it read 21k but when put in table with no background sounds and no disturbed on the table it gives 40k what a shocked

jun. p. Sep 2, 2019     

Not working on note 9

Wil. Y. Jun 8, 2019     

doesnt work with samsung s10

Jod. A. Oct 26, 2021     

not work in android 11,

Han. A. Aug 1, 2021     

For my intended use this app works great for me šŸ‘šŸ¼

and. a. Jul 11, 2020     

Its not working lately

Adi. A. Dec 12, 2019     

Helped me in checking the rpm of my infinity nado

Mie. O. Feb 28, 2021     

This is useless apps

Gen. M. Sep 3, 2021     

Never used it

Zul. J. Feb 16, 2018     

not perfect, but yea. keep up the great job

War. Z. Dec 8, 2017     

It shows 2500, but on the 3rd small line, how is that possible.

ZĪžT. Mar 12, 2017     

Use headset with mic-in for better accuracy

Pan. I. Jul 17, 2016     

one little problem, in notes menu next to memorize rpm there is also a picture notes of the motor,that is not working.can not finalise crop by galery or quik pic.also try secondary camera wich is smaller compare to the primary one.

Ocu. d. Mar 1, 2017     

Works when it works. Good enough for me

Sai. G. Jul 14, 2016     

Totally useless

SiD. Nov 20, 2015     

Anw. Use it when close to the dinamo. I use it. Better than speed checker.

Are. Dec 7, 2015     

Working well while using handfree and put h.free mic closely to the motor..awesome

StC. Sep 17, 2015     

Accurate at + - 10,000 rpm. My farts register 500 rpm, not bad huh? Nice design though, the rest is junk.

Pre. T. Oct 31, 2015     

Need to put mic very close to motor. The result is close to tamiya motor spec sheet.

Sru. S. May 23, 2015     

It will not work properly

Gaa. S. Dec 31, 2014     

Please tell me how to use it

Rog. C. Feb 12, 2015     

Now i can check on my tamiyas top speed