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Android Apps > Tools > Stroboscope Engineer
Stroboscope Engineer icon

Stroboscope Engineer

by GyokovSolutions · Tools · Free
On Google Play since October 2021 · Data updated 2026-11-02

Stroboscope Engineer is made and published by GyokovSolutions. AppBrain is an independent app data site and isn't affiliated with GyokovSolutions. The app name, icon, screenshots and description belong to GyokovSolutions and are shown as published on Google Play.

4.00
145 reviews
50,000+
Downloads
Free

Stroboscope app for measuring rotation, vibration, oscillaton or reciprocation

Stroboscope Engineer Screenshot 1 of 8
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Screenshots by GyokovSolutions, from the Google Play listing
View on Google Play

AppBrain's verdict

EstablishedWell rated
Rating on Google Play
4.00
145 ratings
Installs
69 thousand
Last updated
September 20, 2025
Ads
Contains ads
Size
3.91 MB

Stroboscope Engineer has 69 thousand installs. Users rate it well: 4.0 stars from 145 ratings.

Download on Google Play

Summary

Stroboscope Engineer combines a strobe light with an optical tachometer to measure rotation, vibration, oscillation, or reciprocating motion. It offers Hz/RPM results, calibration, and in-app image capture, all in a free TOOLS app with 50,000++ total downloads and 1.3K downloads in the last 30 days, over a market presence of 1743 days.

Pros & Cons

  • All-in-one tool combining strobe and optical tachometer functionality
  • Free to use with no upfront price
  • Frequency-based measurements with Hz and RPM outputs
  • Presets for common turntable speeds (50 Hz/60 Hz) for quick RPM adjustments
  • Capable image capture and on-device saving of measurement data
  • Lacks flashlight/LED torch features and some audio-related measurement tools found in competitors
  • Not ranked in any top app lists
  • Maximum tachometer frequency is 30 Hz (1800 RPM), which may limit very high-speed measurements

User feedback

Ratings and reviews on Google Play

Comments on Stroboscope Engineer for Android

★★★★★ Zipra · Nov 17, 2021
Impressively accurate strobe light compared to other apps. Perfect to measure electric motor rpm. The only app I've found that can actually measure rpm.
★★★★★ Derrek Leiter · Feb 15, 2022
I am impressed that it can turn the phones led on and off fast enough to measure around 3krpm. Nice!
★★★★★ Zachary Varnum · Dec 7, 2022
Great little app! The strobe light on my turntable burned out and all the lights in my house are LED. I was able to use this app to adjust the speed.
★★★★★ Matt · Jan 26, 2024
Worked well to check my turntable with a strobe disc.
★★★★★ John Price · Aug 25, 2024
Great simple app that gets the job done (but not in sunlight). I used it to check the idle speed on my outboard. A bit of white duct tape on the flywheel and in twilight it worked well. Phone LED's are not bright enough to use in sunlight, and they aren't brief enough flashes to give a true photo grade strobe effect, but it got the job done. Ads are not obtrusive. An improvement would be a bigger frequency slider. It's hard to get the right spot when you are looking at the strobe device.
★★☆☆☆ Aaqil Khan · Oct 30, 2021
Tried it on motor and didn't give accurate speed measurements. I had to borrow an actual stroboscope to do the job.
★☆☆☆☆ little Jim · Jul 28, 2024
Newest version locks up my phone. Complete reboot required. I hate not being sble to revert to previous version of an app!
★☆☆☆☆ James Adams · Mar 22, 2025
Trash. Light doesn't stay on or goes full on when using it. I installed it and shortly uninstalled it.
★☆☆☆☆ Daniel Gunn · Jul 26, 2024
Does this app require reflector tape? I want to use it for checking RPM's on an output shaft on pumps, the range will be 400-1725 ×/-.

Google Play Rating history and histogram

85
21
10
5
21

Store listing

By GyokovSolutions, from Google Play
Description by GyokovSolutions Written by the developer, not by AppBrain. Click to read.
Stroboscope app and optical tachometer for measuring rotating, vibrating, oscillating or reciprocating objects. Optical tachometer can be used by starting it from MENU - TACHOMETER.

It is most commonly used for:
- adjusting speed of rotation - for example adjusting speed of rotation of turntable
- adjusting frequency of vibration

How to use:
1. Start app
2. Set frequency of strobe light (in Hz) using number pickers
3. Press ON/OFF button to start the strobe light

- use button [x2] to double the frequency
- use button [1/2] to halve the frequency
- use button [50 Hz] to set frequency to 50 Hz. This is for turntable speed adjustment.
- use button [60 Hz] to set frequency to 60 Hz. This is also for turntable adjustment.
- activate duty cycle by checking [DUTY CYCLE] check box and adjust duty cycle in percentage. Duty cycle is the percentage of time per cycle when the flash light is on.
- optionally you can calibrate the app by starting calibration from MENU - Calibrate. It is good to do calibration when frequency is changed. You can also set correction time manually in Settings.

Accuracy of the stroboscope depends on latency of your device flash light.

Optical tachometer can be used by starting it from MENU - TACHOMETER.
It analyzes moving objects and determines frequency in Hz and RPM.
How to use:
- point the camera to the object and press START
- hold steady for 5 seconds
- result is shown in Hz and RPM

You can save images captured during measurement by clicking on disk icon. At the end of measurement a message will be shown with information how many images were saved. Images are saved in folder Pictures/Stroboscope. The name of the images ends with information how many milliseconds they were taken relative to first picture. You can use this information to determine the object RPM by calculating time between similar images.

Minimum and maximum frequency can be set in SETTINGS - TACHOMETER. Increasing minimum frequency will reduce time needed for measurement. Maximum frequency is 30Hz (1800 RPM). Reducing maximum frequency will improve time needed for processing during measurement.

Recent changes:
Stroboscope app
v11.6
- Android 15 ready
v11.5
- Added optical tachometer. Use it from MENU - TACHOMETER. The app analyzes moving object and determines frequency in Hz and RPM.
How to use:
- point the camera to the object and press START
- hold steady for 5 seconds
- result is shown in Hz and RPM
v10.8
- add up to 5 buttons for fast setting of favorite frequencies or RPM
- alternative strobe method in Settings - Use alternative strobe method

Safety and technology

Found in the app by AppBrain
Ads
Contains ads
Price
Free
Libraries
10
App size
3.91 MB
Needs Android
6.0+
Content rating
Everyone

Technologies used by Stroboscope Engineer

13 permissions · 10 libraries
Subscribe to see full permission and library details
Trust & Safety: The app requests CAMERA, STORAGE, INTERNET, and network-state permissions, plus foreground service and wake-lock, with AdMob integration for ads. It also declares a DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION for internal event handling. These permissions align with camera-based measurements and image saving; no sensitive data access beyond standard app functions is indicated.

Releases

Updates seen on Google Play
Version
11.6
Launched
October 2021
  • Jan 28, 2026Installs50,000+ installs
  • Sep 20, 2025UpdateVersion 11.6
  • May 6, 2025UpdateVersion 11.5
  • Apr 15, 2025UpdateVersion 11.1
  • Apr 7, 2025UpdateVersion 10.8
Show all changes Show fewer

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Installs

Tracked by AppBrain
Last 30 days
1.3 thousand
Per day
43
30-day average
Play install range
50+ thousand
Launched
October 2021

Installs over time

Stroboscope Engineer has been installed 69 thousand times. Over the past 30 days, it averaged 43 installs per day.

Rankings

Google Play top charts

Google Play Rankings for Stroboscope Engineer

This app is not ranked

About the app and developer

About Stroboscope Engineer

Stroboscope Engineer is a tools app developed by GyokovSolutions.

Download Statistics

Stroboscope Engineer has been downloaded 69 thousand times. In the last 30 days, the app was downloaded 1.3 thousand times.

User Ratings

Stroboscope Engineer is rated 4.00 out of 5 stars. The rating is based on 150 ratings.

App Information

Stroboscope Engineer is freely available from Google Play. The APK size is 3.91 MB. The latest APK version available is 11.6. The last update was on September 20, 2025.

Technical Requirements

Stroboscope Engineer requires Android 6.0+ or higher. The app has a content rating of Everyone. The APK has been available on Google Play since October 2021.

App Performance Report

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Developer information for GyokovSolutions

GyokovSolutions

info@gyokovsolutions.com

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