Comparison

DAS28/ACR vs ASAS App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DAS28/ACR

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
Read full description

DAS28/ACR-EULAR criteria, an iPhone/ iPod touch application, calculates DAS28CRP, DAS28ESR, CDAI, SDAI, and ACR-EULAR classification criteria for rheumatoid arthritis.

About

ASAS App

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
Read full description

The ASAS app offers calculators for the Ankylosing Spondylitis Disease Activity Score (ASDAS), the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI), as well as information on classification, diagnosis, outcome assessment, and treatment of spondyloarthritis. ASAS Health Index

Screenshots

DAS28/ACR1 screens
ASAS App4 screens

Verdict

The call

The clearest difference is iOS requirement: DAS28/ACR at 12.2 against ASAS App's 15.6. On price, rating, ratings volume and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for DAS28/ACR against 5.0 for ASAS App. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

DAS28/ACR ships an update every 15 months, ASAS App every 20 months. The most recent releases landed on November 8, 2026 and November 1, 2026 respectively.

Scorecard1 real difference · 9 level
DAS28/ACR versus ASAS App: the parameters behind the verdict, then further details
ParameterDAS28/ACRASAS App
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews0.0% of reviews—
Number of ratings2 — better1
Update frequencyEvery 15 months — betterEvery 20 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.2 — better15.6
Further details — not scored
Size1 MB45 MB
Age rating17+17+
DeveloperKeiji MatsuiStichting Assessment of Spondyloarthritis international Society

Customer experience

DAS28/ACR

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

ASAS App

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

DAS28/ACR

No in-app purchases

None

ASAS App

No in-app purchases

Questions

Is DAS28/ACR free?
DAS28/ACR is free to download, with no in-app purchases.
Is ASAS App free?
ASAS App is free to download, with no in-app purchases.
Which has better reviews, DAS28/ACR or ASAS App?
DAS28/ACR and ASAS App are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do DAS28/ACR or ASAS App have ads?
Neither DAS28/ACR nor ASAS App shows ads.
Which is updated more often, DAS28/ACR or ASAS App?
DAS28/ACR ships an update every 15 months, and ASAS App every 20 months. Most recently, DAS28/ACR was updated on November 8, 2026 and ASAS App on November 1, 2026.

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