# DAS Calculator vs BEVA Congress

The clearest difference is in-app purchases: BEVA Congress at none against DAS Calculator's 1. DAS Calculator's advantage is update cadence (every 4 months vs every 11 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. DAS Calculator sells 1 one-off in-app purchase. BEVA Congress asks for nothing beyond the download.

DAS Calculator ships an update every 4 months, BEVA Congress every 11 months. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | DAS Calculator | BEVA Congress |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/das-calculator/id354092306/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 49 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Greg Fiumara](https://appshunter.io/developer/354092309) | [BEVA Congress](https://appshunter.io/developer/1582156956) |

## What reviewers say

### DAS Calculator

[App page](https://appshunter.io/ios/app/das-calculator/id354092306)

This medical tool helps evaluate and track rheumatoid arthritis disease activity using validated formulas. It calculates scores based on joint counts, CRP, and general health, providing an estimate of disease progression for clinicians and researchers.

**Highlights:** Rheumatoid arthritis disease activity scoring, Track disease activity over time, Validated formulas for DAS28-CRP, Includes DAS/DAS28 converter, Unlock additional formulas with Pro version

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Calculators | $1.99 | one-time |


### BEVA Congress

[App page](https://appshunter.io/ios/app/beva-congress/id6459538084)

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

**In-app purchases:** none


## Frequently asked questions

### Is DAS Calculator free?

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

### Is BEVA Congress free?

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

### Do DAS Calculator or BEVA Congress have ads?

Neither DAS Calculator nor BEVA Congress shows ads.

### Which is updated more often, DAS Calculator or BEVA Congress?

DAS Calculator ships an update every 4 months, and BEVA Congress every 11 months. Most recently, DAS Calculator was updated on October 8, 2026 and BEVA Congress on October 12, 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.*