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Android Apps > Music & Audio > Key Transposer
Key Transposer icon

Key Transposer

by Matt Hauser · Music & Audio · Free
On Google Play since December 2015 · Data updated 2026-10-03

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

AppBrain's verdict

Established
Rating on Google Play
1.90
61 ratings
Installs
25 thousand
Last updated
August 10, 2026
Ads
Contains ads
Size
8.95 MB

Key Transposer has 25 thousand installs. It doesn't have enough ratings yet to judge what users think.

Download on Google Play

User feedback

Ratings and reviews on Google Play

Comments on Key Transposer for Android

★★★★☆ Helen Jones · Sep 5, 2024
Does exactly what the description says! Dark mode would look better though.
★★☆☆☆ A Google user · Aug 28, 2017
The transposition works well but print is EXTREMELY small. I literally need a magnifying glass to read it. If this were corrected, I would give it a 4-star rating.
★☆☆☆☆ Blunts Ahoy · Mar 21, 2022
Terrible. Trash app that literally doesn't do anything but let you slide graphic displays up or down. No way to add or play music AT ALL!!! Total sham of an app to say the least
★☆☆☆☆ jimmy f · Mar 2, 2020
Bogus app...it does not transpose your actual song.
★☆☆☆☆ That 70s 2000s Teen . Official Account · Apr 9, 2021
This is the most Useless App I've Ever Used, please make it better, Thanks Harri

Google Play Rating history and histogram

12
0
0
6
42

Store listing

By Matt Hauser, from Google Play

“A handy little app to help you transpose your song into a different key!”

Key Transposer Screenshot 1 of 3
Key Transposer Screenshot 2 of 3
Key Transposer Screenshot 3 of 3
Screenshots by Matt Hauser, from the Google Play listing
Description by Matt Hauser Written by the developer, not by AppBrain. Click to read.
Find the key of your song on the left side, and then drag the right side of the screen until the key of which you wish to transpose is next to the original key. Now, any key/note change in the original key will have the transposed key/note seen directly to the right of it. Clear as mud, right?

(You can drag either side up or down)

Recent changes:
Bug fixes and improved performance.
Download on Google Play

Safety and technology

Found in the app by AppBrain
Ads
Contains ads
Price
Free
Libraries
2
App size
8.95 MB
Needs Android
3.2+
Content rating
Everyone

Technologies used by Key Transposer

10 permissions · 2 libraries
Subscribe to see full permission and library details

Releases

Updates seen on Google Play
Version
1.4
Launched
December 2015
  • Aug 10, 2026UpdateVersion 1.4
  • Aug 30, 2024UpdateVersion 1.3
  • Mar 31, 2023UpdateVersion 1.1
  • Feb 10, 2020Installs10,000+ installs
  • Dec 17, 2018Installs5,000+ installs
Show all changes Show fewer

Alternatives

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Installs

Tracked by AppBrain
Last 30 days
94
Play install range
10+ thousand
Launched
December 2015

Installs over time

Key Transposer has been installed 25 thousand times. Over the past 30 days, it has been installed 94 times.

Rankings

Google Play top charts

Google Play Rankings for Key Transposer

This app is not ranked

About the app and developer

About Key Transposer

Key Transposer is a music & audio app developed by Matt Hauser.

Download Statistics

Key Transposer has been downloaded 25 thousand times. In the last 30 days, the app was downloaded 94 times.

User Ratings

Key Transposer is rated 1.90 out of 5 stars. The rating is based on 61 ratings.

App Information

Key Transposer is freely available from Google Play. The APK size is 8.95 MB. The latest APK version available is 1.4. The last update was on August 10, 2026.

Technical Requirements

Key Transposer requires Android 3.2+ or higher. The app has a content rating of Everyone. The APK has been available on Google Play since December 2015.

App Performance Report

Get a detailed PDF report for Key Transposer with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more

Get PDF Report — $29

Developer information for Matt Hauser

Matt Hauser

mycardapp@yahoo.com

Legal name:

Address:

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Frequently asked questions about Key Transposer

Is Key Transposer free?

Yes. Key Transposer is free on Google Play.

Is Key Transposer still available?

Yes. Key Transposer is on Google Play, and the last update we saw was on August 10, 2026.

Does Key Transposer contain ads?

Yes. Google Play lists Key Transposer as containing ads.

What Android version does Key Transposer require?

Key Transposer runs on Android 3.2 and higher.

How large is Key Transposer?

Key Transposer is 8.95 MB.

Is Key Transposer suitable for children?

Google Play rates the content of Key Transposer as suitable for everyone.

How many times has Key Transposer been installed?

Google Play lists 10,000+ installs for Key Transposer.

How do people rate Key Transposer?

Key Transposer scores 1.90 out of 5 stars, from 61 ratings on Google Play.

Who made Key Transposer?

Key Transposer was developed by Matt Hauser. It is listed in the music & audio category on Google Play.

What are the best alternatives to Key Transposer?

People looking at Key Transposer also look at these music & audio apps: Transpose, Transposer, Kordz - Chord Transposer, Transposing Helper, Transpose Music Notes.

Share Key Transposer

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Overview Alternatives History Reviews Rankings Technology
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