Comparison

Triangle Angles Calculator vs Fast Angle

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Triangle Angles Calculator

Easily calculate unknown sides, angles, and other parameters for various triangle types. Features interactive visualizations and works offline, making it ideal for students and professionals needing quick, accurate geometric solutions.

Highlights
  • Calculate unknown triangle parameters from 2-3 known values
  • Interactive visualization of triangle types
  • Real-time calculations with intuitive interface
  • Offline functionality
  • Supports metric and imperial units
  • Calculates sides, angles, area, perimeter, medians, and circles
Features
Read full description

Triangle Calculator - Comprehensive Geometry Tool With this intuitive application, you can easily perform calculations for various types of triangles: * Right triangle (with 90° angle) * Scalene triangle (all sides and angles different) * Isosceles triangle (two equal sides, two equal angles) * Equilateral triangle (all sides equal, all angles 60°) Key features: - Calculate unknown parameters when you know just 2-3 values - Clear, interactive visualization of each triangle type - Simple and intuitive interface with real-time calculations - No internet connection required - works completely offline - Supports both metric and imperial units Parameters you can calculate: - All sides, heights, and angles - Perimeter and area - Medians and bisectors - Coordinates of the geometric center (centroid) - Radius and coordinates of inscribed and circumscribed circles - Projections and special components in right triangles Perfect for students, teachers, engineers, architects, designers, and anyone working with geometric calculations. Save time on complex triangle calculations and always get accurate results with proper precision. This powerful yet simple tool helps you solve triangle problems in seconds. Just input the known values and get comprehensive results with all related parameters calculated automatically. No ads, no subscriptions - just a clean, functional triangle calculator at your fingertips.

About

Fast Angle

Features
Read full description

Our tool helps boost your productivity when in need of measuring angles directly on photos or pictures of your choice. Simply choose an image, draw two lines and see what values angles between them have. As easy as that!

Screenshots

Triangle Angles Calculator4 screens
Fast Angle2 screens

Verdict

The call

The clearest difference is price: Triangle Angles Calculator at Free against Fast Angle's $0.99. Triangle Angles Calculator also leads on update cadence (every 3 days vs every 38 months) and iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Triangle Angles Calculator is free to download; Fast Angle costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Triangle Angles Calculator ships an update every 3 days, Fast Angle every 38 months. The most recent releases landed on September 26, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Triangle Angles Calculator versus Fast Angle: the parameters behind the verdict, then further details
ParameterTriangle Angles CalculatorFast Angle
PriceFree — better$0.99
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 days — betterEvery 38 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size28 MB3 MB
Age rating4+4+
DeveloperDmitriy TrofimovJakub Freisler

In-app purchases

None

Triangle Angles Calculator

No in-app purchases

None

Fast Angle

No in-app purchases

Questions

Is Triangle Angles Calculator free?
Triangle Angles Calculator is free to download, with no in-app purchases.
Is Fast Angle free?
Fast Angle costs $0.99, with no in-app purchases.
Do Triangle Angles Calculator or Fast Angle have ads?
Neither Triangle Angles Calculator nor Fast Angle shows ads.
Which is updated more often, Triangle Angles Calculator or Fast Angle?
Triangle Angles Calculator ships an update every 3 days, and Fast Angle every 38 months. Most recently, Triangle Angles Calculator was updated on September 26, 2026 and Fast Angle on October 7, 2026.

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