# Undertone Tuner — Reduce Redness, Keep Skin Tone

> Tattoo redness removal tool preserving skin tone and detail. (iPhone/iPad app by Inner Circle.)

- Source: https://appshunter.io/ios/app/undertone-tuner/id6759796106 (this page in markdown: same URL + `.md`)
- Developer: [Inner Circle](https://appshunter.io/developer/367838600)
- Category: Photo & Video, Graphics & Design
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.1 · 31 MB
- Languages: American English
- Released: 2026-03-10
- Data updated: 2026-08-26
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/undertone-tuner/id6759796106/reviews.md

## What is Undertone Tuner?

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.

## Key features

- Removes redness from fresh tattoos
- Preserves natural skin tone
- Maintains tattoo detail
- On-device processing
- Full-resolution export
- Adjustable strength and threshold

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Continue Support | $4.99 | one-time |
| Sustain Support | $12.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/undertone-tuner/id6759796106/reviews.md

### 5/5 — WORKS SO GOOD omg

*2026-04-29*

I actually use this on almost every tattoo photo now. It’s a MUST if you post tattoo photos on melanated skin 🔥

## Frequently asked questions about Undertone Tuner

### Does Undertone Tuner have ads?

No, Undertone Tuner is completely ad-free. The app is built with a focus on user privacy and a seamless editing experience, with no advertisements to interrupt your workflow.

### How does Undertone Tuner work?

You select a photo of a fresh tattoo, paint over healthy skin for reference, and tap apply. The app uses color space analysis to neutralize redness while keeping the skin tone and tattoo detail intact.

### Can I use Undertone Tuner on my computer?

Undertone Tuner is designed for mobile devices and is available on iPhone and iPad. It is not currently available for desktop or laptop computers.

### What is the rating for Undertone Tuner?

Undertone Tuner has a perfect 5.0-star rating based on 2 user reviews. This indicates a very positive reception from its current user base.

### Is Undertone Tuner free to use?

Yes, Undertone Tuner is completely free to download and use. There are no in-app purchases or subscription fees required.

### How often is Undertone Tuner updated?

The latest version, 1.5, was released on April 9, 2026, indicating active development. Updates typically address bug fixes and potential feature enhancements.

### What age rating does Undertone Tuner have?

Undertone Tuner has an age rating of 4+. This means it is suitable for users of all ages and contains no mature content.

### Does Undertone Tuner upload my photos?

No, Undertone Tuner processes all photos 100% on-device. Your photos are never uploaded to any servers, ensuring your privacy and the security of your images.

## Version history (last 2 releases)

### 1.5 — 2026-04-09

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.

### 1.0 — 2026-03-10

No release notes.

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All apps by Inner Circle: https://appshunter.io/developer/367838600

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*