Keyboard: Harmony Maker
Keyboard: Harmony Maker is made and published by SINCLAIR SYSTEM. AppBrain is an independent app data site and isn't affiliated with SINCLAIR SYSTEM. The app name, icon, screenshots and description belong to SINCLAIR SYSTEM and are shown as published on Google Play.
AppBrain's verdict
Niche- Installs
- 2.6 thousand
- Last updated
- October 18, 2026
- Ads
- Contains ads
- Size
- 57.9 MB
Keyboard: Harmony Maker is a niche app, with 2.6 thousand installs. It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on Google PlayComments on Keyboard: Harmony Maker for Android
We don't have enough comments to show example comments. Please check back later.
Store listing
By SINCLAIR SYSTEM, from Google Play“Practice keyboard with just intonation, transposition, and more”
Description by SINCLAIR SYSTEM Written by the developer, not by AppBrain. Click to read.
It’s simple yet highly customizable—perfect for wind instruments, vocal training, or ear training across many styles.
Key Features
Supports both equal temperament and just intonation
Hold function to sustain notes freely
Transpose to any key easily
Includes a variety of wind instrument sounds such as flute, clarinet, and saxophone
Recent changes:
Fixed a crash affecting some devices running Android 9 or 10.
Safety and technology
Found in the app by AppBrain- Ads
- Contains ads
- Price
- Free
- Libraries
- ?
- App size
- 57.9 MB
- Content rating
- Everyone
Technologies used by Keyboard: Harmony Maker
Releases
Updates seen on Google Play- Version
- 1.8.0
- Launched
- August 2025
Alternatives
Similar apps and more from SINCLAIR SYSTEM
Installs
Tracked by AppBrain- Last 30 days
- 530
- Per day
- 18
- 30-day average
- Play install range
- 1+ thousand
- Launched
- August 2025
Installs over time
Keyboard: Harmony Maker has been installed 2.6 thousand times. Over the past 30 days, it averaged 18 installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for Keyboard: Harmony Maker
About the app and developer
About Keyboard: Harmony Maker
Keyboard: Harmony Maker is a music & audio app developed by SINCLAIR SYSTEM.
Download Statistics
Keyboard: Harmony Maker has been downloaded 2.6 thousand times. In the last 30 days, the app was downloaded 530 times.
User Ratings
The app has no ratings yet.
App Information
Keyboard: Harmony Maker is freely available from Google Play. The APK size is 57.90 MB. The latest APK version available is 1.8.0. The last update was on October 18, 2026.
Technical Requirements
The app has a content rating of Everyone. The APK has been available on Google Play since August 2025.
App Performance Report
Get a detailed PDF report for Keyboard: Harmony Maker with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for SINCLAIR SYSTEM
Frequently asked questions about Keyboard: Harmony Maker
Is Keyboard: Harmony Maker free?
Yes. Keyboard: Harmony Maker is free on Google Play.
Is Keyboard: Harmony Maker still available?
Yes. Keyboard: Harmony Maker is on Google Play, and the last update we saw was on October 18, 2026.
Does Keyboard: Harmony Maker contain ads?
Yes. Google Play lists Keyboard: Harmony Maker as containing ads.
How large is Keyboard: Harmony Maker?
Keyboard: Harmony Maker is 57.90 MB.
Is Keyboard: Harmony Maker suitable for children?
Google Play rates the content of Keyboard: Harmony Maker as suitable for everyone.
How many times has Keyboard: Harmony Maker been installed?
Google Play lists 1,000+ installs for Keyboard: Harmony Maker.
Who made Keyboard: Harmony Maker?
Keyboard: Harmony Maker was developed by SINCLAIR SYSTEM. It is listed in the music & audio category on Google Play.
What are the best alternatives to Keyboard: Harmony Maker?
People looking at Keyboard: Harmony Maker also look at these music & audio apps: tonestro - Music Lessons, Mobile Org 2026, Portable ORG Keyboard, Tune!It, Music Keyboard.