TestTone is made and published by HTLab. AppBrain is an independent app data site and isn't affiliated with HTLab. The app name, icon, screenshots and description belong to HTLab and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- September 19, 2026
Rankings
App Store top chartsApp Store Rankings for TestTone
This app is not ranked
Competitors
Similar apps and more from HTLabMore from HTLab
Releases
Updates seen on the App Store- Version
- 1.6
- Launched
- July 2010
No changelog data
User feedback
Ratings and reviews on the App StoreComments on TestTone for iOS
We don't have enough comments to show example comments. Please check back later.
Technology
Found in the app by AppBrain- Price
- $1.99
- App size
- 8.11 MB
- Content rating
- Everyone
Technologies used by TestTone
About the app and developer
About TestTone
TestTone is a music app developed by HTLab.
What is the rating of TestTone?
TestTone has no ratings yet.
Is TestTone free?
TestTone costs $1.99. The app size is 8.11 MB. The latest version available is 1.6. The last update was on September 19, 2026.
What are the requirements for TestTone?
The app has a content rating of Everyone. The app has been available on the App Store since July 2010.
Developer information for HTLab
Address:
Store listing
By HTLab, from the App Store
Screenshots by HTLab, from the the App Store listing
Description by HTLab Written by the developer, not by AppBrain. Click to read.
This test signal generator is ideal for checking audio equipment and confirming audible frequency ranges.It can play sine, triangle, sawtooth, and square waves from 20 Hz to 20 kHz, as well as white noise and pink noise.
Features
• You can switch between preset frequencies, white noise, and pink noise using the frequency preset buttons.
You can also tap the frequency display area to enter any desired frequency manually.
The frequency can also be adjusted using the left/right buttons or by tapping the frequency display.
• Supports switching between sine, triangle, sawtooth, and square waveforms.
• Playback starts or stops by tapping the ON/OFF button or the icon at the top.
Note
Playing at high volumes may cause hearing damage or damage to your audio equipment. Please use with caution.
Features
• You can switch between preset frequencies, white noise, and pink noise using the frequency preset buttons.
You can also tap the frequency display area to enter any desired frequency manually.
The frequency can also be adjusted using the left/right buttons or by tapping the frequency display.
• Supports switching between sine, triangle, sawtooth, and square waveforms.
• Playback starts or stops by tapping the ON/OFF button or the icon at the top.
Note
Playing at high volumes may cause hearing damage or damage to your audio equipment. Please use with caution.