# Underlayer vs PaintGenius

The clearest difference is price: Underlayer at Free against PaintGenius's $3.99. Underlayer also leads on iOS requirement (15.1 vs 17.6). PaintGenius's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Underlayer is free to download; PaintGenius costs $3.99 up front. Underlayer sells 1 in-app purchase, starting at $2.99 per 7 days. PaintGenius asks for nothing beyond the download.

Underlayer ships an update every 5 months, PaintGenius every 5 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Underlayer | PaintGenius |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | — | Paid |
| Size | 169 MB | 5 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mihail Rukavishnikov](https://appshunter.io/developer/1648782212) | [秀银 林](https://appshunter.io/developer/1835808687) |

## What reviewers say

### Underlayer

[App page](https://appshunter.io/ios/app/underlayer/id6753363956)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | per 7 days |


### PaintGenius

[App page](https://appshunter.io/ios/app/paintgenius/id6754793096)

This professional tool assists in matching paint colors for general and automotive applications. It calculates precise paint recipes using advanced algorithms and provides a guided verification workflow for accurate results. The app ensures optimal color matching by analyzing source colors and suggesting ideal palettes.

**Highlights:** Advanced recipe calculation (CMY & Kubelka-Munk), Iterative optimization for color accuracy, Intelligent source color analysis and recommendations, Support for 2-stage and 3-stage automotive paints, Multi-angle sampling for metallic/pearl paints, Recipe library with volume calculator, Step-by-step verification workflow

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Underlayer free?

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

### Is PaintGenius free?

PaintGenius costs $3.99, with no in-app purchases.

### Do Underlayer or PaintGenius have ads?

Underlayer shows ads; PaintGenius does not.

### Which is updated more often, Underlayer or PaintGenius?

Underlayer ships an update every 5 months, and PaintGenius every 5 weeks. Most recently, Underlayer was updated on October 16, 2026 and PaintGenius on October 7, 2026.

---

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