Best Triangle Perimeter Apps

187+ iOS apps curated and reviewed

4.0 avg rating
18 free apps
Updated November 2026

Every iPhone needs a few good triangle perimeter apps. We benchmark 187+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Triangle Perimeter Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Triangle Calc ATriangle Calc A$0.99—NoNoOct 2026
2iCalc Triangle Calculator ProiCalc Triangle Calculator ProFree3.6★ (5)NoNoOct 2026
3Triangle Calculator: SolverTriangle Calculator: SolverFree4.0★ (4)NoYesOct 2026
4Isosceles TriangleIsosceles TriangleFree—NoYesOct 2026
5Triangle SolverTriangle SolverFree4.2★ (31)NoNoOct 2026
6Triangle Calculator ProTriangle Calculator ProFree—YesNoMay 2026
7Geometry Calculator - TriangleGeometry Calculator - TriangleFree5.0★ (8)NoNoOct 2026
8General TriangleGeneral TriangleFree5.0★ (1)NoYesOct 2026

Top Picks for Triangle Perimeter

iCalc Triangle Calculator Pro#2

iCalc Triangle Calculator Pro by Jake Elrod

Angles, Area, Sides, Perimeter
Strong Contender
📚 Education
3.6(5 ratings)
Free
iCalc Triangle Calculator Pro screenshot 1
iCalc Triangle Calculator Pro screenshot 2
iCalc Triangle Calculator Pro screenshot 3
iCalc Triangle Calculator Pro screenshot 4

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.

Triangle Calculator: Solver#3

Triangle Calculator: Solver by Vaghani Keyur

Angles, Sides & Trigonometry
Worth Considering
🔧 Utilities
4.0(4 ratings)
FreeIn-App Purchases
Triangle Calculator: Solver screenshot 1
Triangle Calculator: Solver screenshot 2
Triangle Calculator: Solver screenshot 3
Triangle Calculator: Solver screenshot 4
Triangle Calculator: Solver screenshot 5
Triangle Calculator: Solver screenshot 6

This geometry tool simplifies trigonometry and triangle calculations. It provides quick and accurate results for various measurements, including angles, sides, area, and advanced geometric properties. Ideal for students, professionals, and anyone needing precise calculations.

More Triangle Perimeter apps to explore

FAQ about Triangle Perimeter

Are there free triangle perimeter apps for iPhone?
Yes — 18 of the top triangle perimeter apps we rank are free to download, including iCalc Triangle Calculator Pro and Triangle Calculator: Solver.
Triangle Calc A has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 187+ triangle perimeter apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.