Undertone Tuner1.5 - App Store
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Publisher Description
Undertone is a precision tool for tattoo artists and clients. Fresh tattoos often come with redness and inflammation that can distract from the actual work. Undertone removes that redness while keeping the skin tone and tattoo detail intact.
How it works:
Select or take a photo of a fresh tattoo.
Paint over healthy skin near the tattoo to set a reference tone.
Tap Apply. Undertone uses Lab color space analysis to neutralize redness across the image.
Fine-tune with Strength, Threshold, and Brightness sliders.
Use the Exclude brush to protect specific areas from correction.
Save the final image at full camera resolution.
Why Undertone:
Maintains natural skin tone with precision color math
Works with all skin tones
Full-resolution export: no quality loss
100% on-device processing. Your photos are never uploaded
No accounts, no ads, no tracking
Pinch to zoom for detailed work
Undo support and before/after toggle
Works on iPhone and iPad
Built by a tattoo artist, for tattoo artists.
Version History NEW ALTERNATE COLOR MODE
Skin Vector mode - a second correction mode that follows the natural direction skin shifts in color space, rather than just reducing the a* channel
Haptic feedback - light tap when brightness crosses zero
UI / UX changes
Image on Paint step (#2) is centered both axes; Adjustments step (#3) goes full-width, top-anchored. 1.5 Apr 9 1.0 Mar 10
About Undertone Tuner
The company that develops Undertone Tuner is David Allen. The latest version released by its developer is 1.5.
To install Undertone Tuner on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Undertone Tuner as malware if the download link is broken.
How to install Undertone Tuner on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Undertone Tuner is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Undertone Tuner is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.5
posted on 2026-10-14
Version History NEW ALTERNATE COLOR MODE
Skin Vector mode - a second correction mode that follows the natural direction skin shifts in color space, rather than just reducing the a* channel
Haptic feedback - light tap when brightness crosses zero
UI / UX changes
Image on Paint step (#2) is centered both axes; Adjustments step (#3) goes full-width, top-anchored. 1.5 Apr 9 1.0 Mar 10
Disclaimer
Official App Store Link
We do not host Undertone Tuner on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.
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