# ACFAS Mobile vs OP Catalog

The clearest difference is update cadence: OP Catalog at every 5 weeks against ACFAS Mobile's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

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

ACFAS Mobile ships an update every 6 months, OP Catalog every 5 weeks. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ACFAS Mobile | OP Catalog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Size | 55 MB | 41 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [American College of Foot and Ankle Surgeons](https://appshunter.io/developer/804778899) | [Empire Extremity](https://appshunter.io/developer/1896718697) |

## What reviewers say

### ACFAS Mobile

[App page](https://appshunter.io/ios/app/acfas-mobile/id6475346359)

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

**In-app purchases:** none


### OP Catalog

[App page](https://appshunter.io/ios/app/op-catalog/id6770173019)

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

**In-app purchases:** none


## Frequently asked questions

### Is ACFAS Mobile free?

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

### Is OP Catalog free?

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

### Do ACFAS Mobile or OP Catalog have ads?

Neither ACFAS Mobile nor OP Catalog shows ads.

### Which is updated more often, ACFAS Mobile or OP Catalog?

ACFAS Mobile ships an update every 6 months, and OP Catalog every 5 weeks. Most recently, ACFAS Mobile was updated on October 5, 2026 and OP Catalog on October 24, 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.*