OTOTETSU is made and published by qt sound lab. AppBrain is an independent app data site and isn't affiliated with qt sound lab. The app name, icon, screenshots and description belong to qt sound lab. and are shown as published on Google Play.
AppBrain's verdict
EstablishedLoved by users- Rating on Google Play
- 4.57
- 289 ratings
- Installs
- 37 thousand
- Last updated
- August 21, 2026
- Ads
- No ads
- Size
- 32.4 MB
OTOTETSU has 37 thousand installs. Users love it: 4.6 stars from 289 ratings.
User feedback
Ratings and reviews on Google PlayComments on OTOTETSU for Android
Google Play Rating history and histogram
Store listing
By qt sound lab., from Google Play“VVVF Inverter Sound Simulator”
Description by qt sound lab. Written by the developer, not by AppBrain. Click to read.
This app simulates the waveforms generated by inverters and sounds coming from motors, and you can also design sounds of imaginary trains.
Recent changes:
- The master controller can now be mounted vertically.
- You can now select the number of notches on the master controller.
- Added a feature for switching patterns automatically between acceleration and braking.
- Added support for setting the speed range for each inverter configuration using the inverter’s output frequency.
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- ?
- App size
- 32.4 MB
- Content rating
- Everyone
Technologies used by OTOTETSU
Releases
Updates seen on Google Play- Version
- 1.7.0
- Launched
- August 2021
Alternatives
Similar apps and more from qt sound lab.Alternatives to OTOTETSU
Installs
Tracked by AppBrain- Last 30 days
- 780
- Per day
- 26
- 30-day average
- Play install range
- 10+ thousand
- Launched
- August 2021
Installs over time
OTOTETSU has been installed 37 thousand times. Over the past 30 days, it averaged 26 installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for OTOTETSU
About the app and developer
About OTOTETSU
OTOTETSU is an entertainment app developed by qt sound lab.
Install Statistics
OTOTETSU has been installed 37 thousand times. In the last 30 days, the app was installed 780 times.
User Ratings
OTOTETSU is rated 4.57 out of 5 stars. The rating is based on 290 ratings.
App Information
OTOTETSU is freely available from Google Play. The app size is 32.40 MB. The latest version available is 1.7.0. The last update was on August 21, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play since August 2021.
App Performance Report
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