# ASAS App vs ReumaIndex

The clearest difference is update cadence: ReumaIndex at fortnightly against ASAS App's every 20 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.

ASAS App ships an update every 20 months, ReumaIndex fortnightly. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ASAS App | ReumaIndex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/asas-app/id650291528/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 45 MB | 47 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Stichting Assessment of Spondyloarthritis international Society](https://appshunter.io/developer/650291731) | [Reumaindex Educacion medica y tecnologia SpA](https://appshunter.io/developer/1877998496) |

## What reviewers say

### ASAS App

[App page](https://appshunter.io/ios/app/asas-app/id650291528)

This medical app provides essential tools for assessing Ankylosing Spondylitis. It includes calculators for key disease activity scores and offers comprehensive information on diagnosis, classification, and treatment of spondyloarthritis.

**Highlights:** ASDAS calculator, BASDAI calculator, Spondyloarthritis classification, Diagnosis information, Treatment guidelines, ASAS Health Index

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

**In-app purchases:** none


### ReumaIndex

[App page](https://appshunter.io/ios/app/reumaindex/id6759306432)

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

**In-app purchases:** none


## Frequently asked questions

### Is ASAS App free?

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

### Is ReumaIndex free?

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

### Do ASAS App or ReumaIndex have ads?

Neither ASAS App nor ReumaIndex shows ads.

### Which is updated more often, ASAS App or ReumaIndex?

ASAS App ships an update every 20 months, and ReumaIndex fortnightly. Most recently, ASAS App was updated on November 1, 2026 and ReumaIndex on November 5, 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.*