# Atelier vs Proref

The clearest difference is in-app purchases: Atelier at none against Proref's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Proref sells 1 one-off in-app purchase. Atelier asks for nothing beyond the download.

Atelier ships an update every 5 days, Proref every 6 days. The most recent releases landed on October 10, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Atelier | Proref |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/atelier-art-grid/id6755917738/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 days |
| Monetization | Free | — |
| Size | 59 MB | 44 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Reuven Levitt](https://appshunter.io/developer/1857272331) | [John Oliver Atienza](https://appshunter.io/developer/1526037866) |

## What reviewers say

### Atelier

[App page](https://appshunter.io/ios/app/atelier-art-grid/id6755917738)

This tool helps artists draw and paint with accuracy by providing reference analysis and construction aids. It offers features like head construction overlays, proportion measurement, and color analysis to support traditional and digital art workflows.

**Highlights:** Loomis head construction overlay, Measurement and proportion tools, Color and value analysis, Grid system for scaling, Canvas presets, Layer visibility control

**Features:** macOS Compatibility

**In-app purchases:** none


### Proref

[App page](https://appshunter.io/ios/app/proref-art-reference-boards/id6802284370)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proref Pro | $7.99 | one-time |


## Frequently asked questions

### Is Atelier free?

Atelier is free to download, with no in-app purchases.

### Is Proref free?

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

### Do Atelier or Proref have ads?

Neither Atelier nor Proref shows ads.

### Which is updated more often, Atelier or Proref?

Atelier ships an update every 5 days, and Proref every 6 days. Most recently, Atelier was updated on October 10, 2026 and Proref on October 19, 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.*