# World Refining Association vs PRONUS

World Refining Association and PRONUS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

World Refining Association ships an update fortnightly, PRONUS every 2 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | World Refining Association | PRONUS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Size | 144 MB | 143 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [SWAPCARD CORPORATION](https://appshunter.io/developer/879488722) | [SUSTENTABILICITY SA DE CV](https://appshunter.io/developer/1668899031) |

## What reviewers say

### World Refining Association

[App page](https://appshunter.io/ios/app/world-refining-association/id1531175764)

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

**In-app purchases:** none


### PRONUS

[App page](https://appshunter.io/ios/app/pronus/id6478537276)

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

**In-app purchases:** none


## Frequently asked questions

### Is World Refining Association free?

World Refining Association is free to download, with no in-app purchases.

### Is PRONUS free?

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

### Do World Refining Association or PRONUS have ads?

Neither World Refining Association nor PRONUS shows ads.

### Which is updated more often, World Refining Association or PRONUS?

World Refining Association ships an update fortnightly, and PRONUS every 2 weeks. Most recently, World Refining Association was updated on October 25, 2026 and PRONUS 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.*