Best Obtuse Apps

6+ iOS apps curated and reviewed

4.5 avg rating
3 free apps
Updated August 2026

From beginner-friendly picks to power-user tools, our obtuse list covers 6+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.

Compare top Obtuse Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OBTUS - Sportpark ObermayrOBTUS - Sportpark ObermayrFree—NoNoSep 2026
2Math Flashcards GamesMath Flashcards GamesFree4.9★ (8)NoYesNov 2026
3iCalc Triangle Calculator ProiCalc Triangle Calculator ProFree3.6★ (5)NoNoOct 2026
4Kidz Learn Sports and AnglesKidz Learn Sports and Angles$2.995.0★ (1)NoNoSep 2026

Top Picks for Obtuse

Math Flashcards Games#2

Math Flashcards Games by Peter Minwegen

Mental Math Flash Cards
Strong Contender
📚 Education
4.9(8 ratings)
FreeIn-App Purchases
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Master math skills with engaging flashcards and brain-boosting challenges. This app turns arithmetic practice into play with customizable difficulty, timed challenges, and progress tracking. Enjoy a fun and addictive way to learn math with beautiful themes and animations.

iCalc Triangle Calculator Pro#3

iCalc Triangle Calculator Pro by Jake Elrod

Angles, Area, Sides, Perimeter
Worth Considering
📚 Education
3.6(5 ratings)
Free
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Explore the fundamental properties of triangles with this interactive educational application. It allows users to delve into angles, area, sides, and perimeter, providing a hands-on approach to understanding geometric concepts.

More Obtuse apps to explore

FAQ about Obtuse

Are there free obtuse apps for iPhone?
Yes — 3 of the top obtuse apps we rank are free to download, including OBTUS - Sportpark Obermayr and Math Flashcards Games.
OBTUS - Sportpark Obermayr has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 6+ obtuse apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.