# DAS28/ACR vs RA Manager

The clearest difference is rating: DAS28/ACR at 5.0 against RA Manager's 3.3. DAS28/ACR also leads on iOS requirement (12.2 vs 14.0). RA Manager's advantage is review sentiment (38% vs 0%) and update cadence (every 3 months vs every 15 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

DAS28/ACR holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 2 and 9 respectively. Written reviews complicate that: 0% of DAS28/ACR's written reviews are positive against 38% of RA Manager's, so the app with the better star average is not the one people write more warmly about.

DAS28/ACR ships an update every 15 months, RA Manager every 3 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | DAS28/ACR | RA Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/das28acr-eular-criteria/id443707029/reviews)** | [3.3 (9 ratings)](https://appshunter.io/ios/app/ra-manager/id840972490/reviews) |
| Number of ratings | 2 | **9** |
| Positive reviews | 0.0% of reviews | **37.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 1 MB | 20 MB |
| Requires iOS | **12.2** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Keiji Matsui](https://appshunter.io/developer/365287272) | [@Point of Care](https://appshunter.io/developer/916313675) |

## What reviewers say

### DAS28/ACR

[App page](https://appshunter.io/ios/app/das28acr-eular-criteria/id443707029)

This medical app calculates key assessment criteria for rheumatoid arthritis, including DAS28CRP, DAS28ESR, CDAI, SDAI, and ACR-EULAR classification. It provides essential tools for healthcare professionals to evaluate disease activity and treatment response.

**Highlights:** DAS28CRP calculation, DAS28ESR calculation, CDAI calculation, SDAI calculation, ACR-EULAR classification criteria

**Features:** macOS Compatibility

**In-app purchases:** none


### RA Manager

[App page](https://appshunter.io/ios/app/ra-manager/id840972490)

This app helps individuals manage symptoms of Rheumatoid Arthritis by tracking pain, medications, and moods. It visualizes your health journey with charts, allows photo uploads of symptoms, and connects you with care providers for remote monitoring. Access educational resources and earn rewards for app usage.

**Highlights:** Daily symptom and pain tracking, Medication management and reminders, Photo upload for visible symptoms, Connect with care providers, Educational resources on RA, Progress visualization with charts, Rewards and badges for usage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DAS28/ACR free?

DAS28/ACR is free to download, with no in-app purchases.

### Is RA Manager free?

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

### Which has better reviews, DAS28/ACR or RA Manager?

DAS28/ACR is rated higher. DAS28/ACR averages 5.0 out of 5 from 2 ratings, while RA Manager averages 3.3 from 9 ratings.

### Do DAS28/ACR or RA Manager have ads?

Neither DAS28/ACR nor RA Manager shows ads.

### Which is updated more often, DAS28/ACR or RA Manager?

DAS28/ACR ships an update every 15 months, and RA Manager every 3 months. Most recently, DAS28/ACR was updated on November 1, 2026 and RA Manager on November 1, 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.*