# Paintsight vs Undertone

The clearest difference is rating: Undertone at 5.0 against Paintsight's 3.0. Undertone also leads on device support (4 vs 2) and iOS requirement (15.0 vs 26.0). Paintsight's advantage is monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Paintsight sells 1 one-off in-app purchase and Undertone sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Undertone holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Paintsight ships an update every 2 weeks, Undertone every 10 days. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Paintsight | Undertone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/paintsight-notan-value-study/id6757681826/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/undertone-color-and-value-study/id6761922242/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 33 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Gruffydd Johnston](https://appshunter.io/developer/1651486785) | [Paintingstack Technologies SpA](https://appshunter.io/developer/1884953294) |

## What reviewers say

### Paintsight

[App page](https://appshunter.io/ios/app/paintsight-notan-value-study/id6757681826)

This app helps artists analyze and draw from reference photos. It offers tools for value studies, color analysis, composition guides, and proportional drawing grids. Users can also compare their work directly against references.

**Highlights:** Notan and value studies, Color palette analysis, Drawing grids and guides, Painting comparison tools, Reference photo organization, iPad-optimized interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $4.99 | one-time |


### Undertone

[App page](https://appshunter.io/ios/app/undertone-color-and-value-study/id6761922242)

Analyze images like a painter by visualizing values, color temperatures, and composition. Understand the underlying structure and pigment colors of any reference photo or artwork. Save your analyses for future reference.

**Highlights:** Value study (grayscale tonal zones), Warm/cool temperature map, Composition analysis (rule of thirds, golden ratio), Real pigment color palette, Saturation visualization, Contrast mapping

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $12.99 | one-time |


## Frequently asked questions

### Is Paintsight free?

Paintsight is free to download, with in-app purchases available.

### Is Undertone free?

Undertone is free to download, with in-app purchases available.

### Which has better reviews, Paintsight or Undertone?

Undertone is rated higher. Paintsight averages 3.0 out of 5 from 2 ratings, while Undertone averages 5.0 from 1 ratings.

### Do Paintsight or Undertone have ads?

Neither Paintsight nor Undertone shows ads.

### Which is updated more often, Paintsight or Undertone?

Paintsight ships an update every 2 weeks, and Undertone every 10 days. Most recently, Paintsight was updated on November 4, 2026 and Undertone on November 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*