# FocalPaint vs Oilbook

The clearest difference is price: Oilbook at Free against FocalPaint's $4.99. FocalPaint's advantage is ads (none vs shown) and review sentiment (79% vs 60%). On rating, ratings volume, update cadence and in-app purchases there is nothing between them.

Oilbook is free to download; FocalPaint costs $4.99 up front. FocalPaint sells 3 one-off in-app purchases and Oilbook sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.2 for FocalPaint against 4.2 for Oilbook. Both are backed by a comparable volume of ratings — 13 and 5 respectively. Written reviews are what separate them: 79% of FocalPaint's written reviews are positive against 60% of Oilbook's.

FocalPaint ships an update monthly, Oilbook every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FocalPaint | Oilbook |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.2 (13 ratings)](https://appshunter.io/ios/app/focalpaint/id1532688085/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/oilbook-liquid-painting/id6450856438/reviews) |
| Number of ratings | **13** | 5 |
| Positive reviews | **78.6% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 557 MB | 40 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [brien dieterle](https://appshunter.io/developer/1532688087) | [晶雷 端](https://appshunter.io/developer/993482952) |

## What reviewers say

### FocalPaint

[App page](https://appshunter.io/ios/app/focalpaint/id1532688085)

This app offers a unique brush engine for realistic paint simulation, pigment mixing, and canvas textures. It allows for custom brush and layer creation using Metal GPU or Javascript code, with advanced features like spectral color models and Apple Pencil Pro support.

**Highlights:** Realistic paint and pigment mixing, Custom brush and layer creation, Transparent ink simulation, Apple Pencil Pro support, Spectral color model, Open source shader code library

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Generous Tip | $0.99 | one-time |
| Big Tip | $4.99 | one-time |
| Huge Tip | $9.99 | one-time |


### Oilbook

[App page](https://appshunter.io/ios/app/oilbook-liquid-painting/id6450856438)

This app offers a realistic oil painting simulation by focusing on fluid dynamics for authentic paint flow and diffusion. It provides extensive brush customization and color selection tools for a dynamic artistic experience.

**Highlights:** Fluid mechanics-based paint simulation, Customizable brush parameters, Color wheel and eyedropper tool, Multiple undo/redo support, Save and share artwork, Apple Pencil pressure sensitivity

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oilbook Pro | $4.99 | one-time |


## Frequently asked questions

### Is FocalPaint free?

FocalPaint costs $4.99, and also offers in-app purchases.

### Is Oilbook free?

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

### Which has better reviews, FocalPaint or Oilbook?

FocalPaint is rated higher. FocalPaint averages 4.2 out of 5 from 13 ratings, while Oilbook averages 4.2 from 5 ratings.

### Do FocalPaint or Oilbook have ads?

Oilbook shows ads; FocalPaint does not.

### Which is updated more often, FocalPaint or Oilbook?

FocalPaint ships an update monthly, and Oilbook every 3 weeks. Most recently, FocalPaint was updated on October 24, 2026 and Oilbook on October 25, 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.*