Best Triangle Calculator Pro Apps

240+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated November 2026

Triangle Calculator Pro is the household name in triangle calculator pro, but it's far from the only option. We track 240+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Triangle Calculator Pro Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Triangle Calculator ProTriangle Calculator ProFree—YesNoMay 2026
2Calculator +Calculator +Free4.6★ (10K)YesYesNov 2026
3iCalc Triangle Calculator ProiCalc Triangle Calculator ProFree3.6★ (5)NoNoOct 2026
4Triangle Solver Free - Geometry CalculatorTriangle Solver Free - Geometry CalculatorFree3.6★ (40)NoYesMay 2026
5Triangle & Angle calculatorTriangle & Angle calculatorFree4.1★ (216)NoYesNov 2026
6Triangle Calculator: SolverTriangle Calculator: SolverFree4.0★ (4)NoYesOct 2026
7Calculator for iPad!Calculator for iPad!Free4.7★ (61K)NoNoNov 2026
8Calculator‰Calculator‰Free4.9★ (410K)YesNoNov 2026

Top Picks for Triangle Calculator Pro

Calculator +#2

Calculator + by xNeat.com

Graphing, Percentage, Triangle
Strong Contender
🔧 Utilities
4.6😊(10K ratings)
FreeAdsIn-App Purchases
Calculator + screenshot 1
Calculator + screenshot 2
Calculator + screenshot 3
Calculator + screenshot 4
Calculator + screenshot 5
Calculator + screenshot 6

This app offers a free basic and scientific calculator with an elegant interface. Upgrade for advanced features like graphing, equation solving, and unit conversions. Supports fractions, percentages, and multiple themes.

What We Love

  • 👍 Great features and easy to use
  • 👍 Efficient and quick
  • 👍 Versatile, functional calculator
  • 👍 Fantastic, easy to use app
  • 👍 Awesome calculator app

Room to Improve

  • 🐛 New updated layout is awful
  • 🐛 App is now terrible
  • 🔒 Paying customer screwed over by update
  • 🔒 Now timed trial, no free w/ads version
  • 🔒 Not honest
iCalc Triangle Calculator Pro#3

iCalc Triangle Calculator Pro by Jake Elrod

Angles, Area, Sides, Perimeter
Worth Considering
📚 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.

More Triangle Calculator Pro apps to explore

FAQ about Triangle Calculator Pro

Are there free triangle calculator pro apps for iPhone?
Yes — 18 of the top triangle calculator pro apps we rank are free to download, including Triangle Calculator Pro and Calculator +.
Triangle Calculator Pro shows ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 240+ triangle calculator pro apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.