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Best Rheumatoid Arthritis Calculator Apps

0+ iOS apps curated and reviewed

5.0 avg rating
1 free apps
Updated July 2026

The best rheumatoid arthritis calculator apps on iPhone average 5.0★ across 0+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Compare top Rheumatoid Arthritis Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1DAS CalculatorDAS CalculatorFree5.0★ (1)NoYesMay 2026
2DAS28 Calculator & Joint MapDAS28 Calculator & Joint Map$3.99—NoNoJun 2026

Top Picks for Rheumatoid Arthritis Calculator

DAS Calculator#1

DAS Calculator by Greg Fiumara

Editor's Choice
🏥 Medical
5.0(1 ratings)
FreeIn-App Purchases
DAS Calculator screenshot 1
DAS Calculator screenshot 2
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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.

FAQ about Rheumatoid Arthritis Calculator

What are the best rheumatoid arthritis calculator apps for iPhone?
DAS Calculator tops our rheumatoid arthritis calculator apps ranking as of July 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 1 of the top rheumatoid arthritis calculator apps we rank are free to download, including DAS Calculator.
DAS Calculator has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
DAS Calculator is used to measure and track the activity of rheumatoid arthritis. It utilizes validated formulas to estimate disease activity based on joint counts, CRP levels, and general health.
You can unlock all remaining formulas, including DAS28, DAS-CRP, Original DAS, CDAI, SDAI, and RAPID3®, by upgrading to the "Pro" version through a one-time in-app purchase.