# Art Reference Board vs Proref

The clearest difference is update cadence: Art Reference Board at every 2 days against Proref's every 6 days. Proref's advantage is iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Art Reference Board sells 2 in-app purchases, starting at $1.99 per month and Proref sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Art Reference Board ships an update every 2 days, Proref every 6 days. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Art Reference Board | Proref |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 days |
| Size | 44 MB | 44 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rezonating Apps, LLC](https://appshunter.io/developer/1631244037) | [John Oliver Atienza](https://appshunter.io/developer/1526037866) |

## What reviewers say

### Art Reference Board

[App page](https://appshunter.io/ios/app/art-reference-board-mica/id6800322337)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mica Pro - Monthly | $1.99 | per month |
| Mica Pro - Lifetime | $5.99 | one-time |


### 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 Art Reference Board free?

Art Reference Board is free to download, with in-app purchases available.

### Is Proref free?

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

### Do Art Reference Board or Proref have ads?

Neither Art Reference Board nor Proref shows ads.

### Which is updated more often, Art Reference Board or Proref?

Art Reference Board ships an update every 2 days, and Proref every 6 days. Most recently, Art Reference Board was updated on October 11, 2026 and Proref on October 3, 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.*