Best Trigonometry Help Apps & Games

244+ iOS apps & games curated and reviewed

4.0 avg rating
16 free apps & games
Updated September 2026

Looking for free trigonometry help apps and games? 16 of our 244+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Trigonometry Help Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Trigonometry Help LiteTrigonometry Help LiteFree4.7★ (768)NoYesSep 2026
2Trigonometry Helper - SolverTrigonometry Helper - SolverFree4.2★ (5)NoYesMay 2026
3Trigonometry HelpTrigonometry Help$1.994.7★ (477)NoYesSep 2026
4PhotomathPhotomathFree4.8★ (733K)NoYesSep 2026
5MathMaster: Math Solver & HelpMathMaster: Math Solver & HelpFree4.6★ (12K)YesYesSep 2026
6Trigonometry Toolkit by CSTrigonometry Toolkit by CSFreeNoJul 2026
7Math.Math.Free4.7★ (1.6K)NoYesSep 2026
8Trigonometry Unit CircleTrigonometry Unit CircleFreeNoMay 2026

Top Picks for Trigonometry Help

Trigonometry Help Lite#1

Trigonometry Help Lite by Armchair Engineering

Triangle Calculator + Workings
Editor's Choice
📚 Education
4.7😊(768 ratings)
FreeIn-App Purchases
Trigonometry Help Lite screenshot 1
Trigonometry Help Lite screenshot 2
Trigonometry Help Lite screenshot 3
Trigonometry Help Lite screenshot 4

This app quickly calculates unknown angles and sides of right-angled triangles. It offers a workings view for detailed solutions, scale drawings, and a formula reference. Input angles in various formats and customize decimal precision.

What We Love

  • 👍 Simple and intuitive user interface
  • 🚀 Quick and fast calculations
  • 💼 Practical for professional use (construction, surveying)
  • ✅ Reliable and doesn't crash
  • 📚 Helpful for learning trigonometry
  • 🎯 Straight-to-the-point functionality
  • ✔️ Accurate results for basic calculations

Room to Improve

  • 💰 Unclear upgrade value proposition
  • 📊 Limited decimal place precision in free version
  • 🔍 Insufficient feature differentiation between tiers
  • ⚠️ Calculation accuracy issues reported
Trigonometry Help#3

Trigonometry Help by Armchair Engineering

Triangle Solver + Trig Calc
Worth Considering
🔧 Utilities
4.7😊(477 ratings)
$1.99In-App Purchases
Trigonometry Help screenshot 1
Trigonometry Help screenshot 2
Trigonometry Help screenshot 3
Trigonometry Help screenshot 4
Trigonometry Help screenshot 5

This app helps you quickly solve for unknown angles and sides of right-angled triangles. It provides a workings view for understanding the math, a scale drawing of the triangle, and a reference for basic trigonometric formulas. You can input angles in various formats and choose your desired decimal precision.

What We Love

  • 🚀 Quick and easy to use
  • 👍 User-friendly interface
  • 🔧 Helpful for tradesmen and professionals
  • ⚙️ Accurate calculations
  • 🔍 Convenient for on-site use

Room to Improve

  • 🔢 Limited to right-angled triangles only
  • 🔍 Lacks advanced trig functions
  • 🔀 No option to rotate/flip the triangle view

More Trigonometry Help apps to explore

FAQ about Trigonometry Help

What are the best trigonometry help apps & games for iPhone?
Trigonometry Help Lite tops our trigonometry help apps & games ranking as of September 2026, with a 4.7-star average from 768 App Store ratings, and it's free to download.
Yes — 16 of the top trigonometry help apps & games we rank are free to download, including Trigonometry Help Lite and Trigonometry Helper - Solver.
Trigonometry Help Lite has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 244+ trigonometry help apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Trigonometry Help Lite is a triangle calculator designed to quickly and easily find unknown angles and sides of any right-angled triangle. It provides accurate solutions, a view of the mathematical workings (with an upgrade), and a scale drawing of the solved triangle.
Key features include accurate solving of right-angled triangles, a workings view to see the math behind solutions, a scale drawing of the triangle, a reference of basic trig formulas, and the ability to enter angles in various formats (radians, decimal degrees, degrees/minutes/seconds) with customizable decimal places.