Comparison

Undertone Tuner vs True Tone Studio

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Undertone Tuner

This tool helps tattoo artists and clients visualize healed tattoos by removing redness and inflammation from fresh ink. It preserves skin tone and tattoo detail, offering precise adjustments and full-resolution export.

Highlights
  • Removes redness from fresh tattoos
  • Preserves natural skin tone
  • Maintains tattoo detail
  • On-device processing
  • Full-resolution export
  • Adjustable strength and threshold
Features
Read full 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.

About

True Tone Studio

Read full description

True Tone Studios makes photo editing fast, clean and cinematic. Whether you're enhancing aviation photography, social media content, travel shots, portraits or everyday moments, True Tone Studios gives you powerful one-tap editing tools without the complexity of professional editing software. FEATURES • Smart Enhance Instantly improve brightness, color, detail and depth with a balanced universal enhancement preset designed to make almost any photo look better. • Cinematic Look Apply richer contrast, warmer tones and soft vignette styling for a polished cinematic feel. • Before & After Comparison Use the interactive slider to instantly compare your original image with your edited version. • Crop & Frame Tools Crop your photos into square, portrait or landscape formats while moving and zooming the image for the perfect composition. • Quick Edit Tools Make fast adjustments with: - Brighten - Darken - Black & White - Warm Tone - Soft Blur - Reset Edits • Save & Share Save directly to your photo library or instantly share to: - Instagram - Facebook - X - Messages - Email - AirDrop and more. • Multi-Photo Workflow Add and edit multiple photos without leaving the editor. DESIGNED FOR SPEED True Tone Studios was built for creators who want clean, professional-looking edits without spending hours adjusting sliders. Perfect for: - Social media creators - Photographers - Aviation photography - Travel photos - Lifestyle content - Everyday editing Enhance. Crop. Share. True Tone Studios.

Screenshots

Undertone Tuner4 screens
True Tone Studio4 screens

Verdict

The call

The clearest difference is in-app purchases: True Tone Studio at none against Undertone Tuner's 2. True Tone Studio also leads on update cadence (every 4 days vs monthly). Undertone Tuner's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 26.5). On price and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Undertone Tuner sells 2 one-off in-app purchases. True Tone Studio asks for nothing beyond the download.

UpkeepUpdate frequency

Undertone Tuner ships an update monthly, True Tone Studio every 4 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

Scorecard4 real differences · 6 level
Undertone Tuner versus True Tone Studio: the parameters behind the verdict, then further details
ParameterUndertone TunerTrue Tone Studio
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyMonthlyEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better26.5
Further details — not scored
Size31 MB5 MB
Age rating4+4+
DeveloperInner CircleMichael Sparks

In-app purchases

2 purchases

Undertone Tuner

One-time2
  • Continue Support$4.99
  • Sustain Support$12.99
None

True Tone Studio

No in-app purchases

Questions

Is Undertone Tuner free?
Undertone Tuner is free to download, with in-app purchases available.
Is True Tone Studio free?
True Tone Studio is free to download, with no in-app purchases.
Do Undertone Tuner or True Tone Studio have ads?
Neither Undertone Tuner nor True Tone Studio shows ads.
Which is updated more often, Undertone Tuner or True Tone Studio?
Undertone Tuner ships an update monthly, and True Tone Studio every 4 days. Most recently, Undertone Tuner was updated on October 24, 2026 and True Tone Studio on October 19, 2026.

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