Comparison

Triangle Calculator Plus vs Triangle Calculator Pro

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

Head to head
About

Triangle Calculator Plus

This app instantly solves any triangle problem with multiple solver modes and live visualization. It provides complete triangle properties, step-by-step solutions, and supports various units. Ideal for students, engineers, and professionals needing quick, accurate triangle calculations.

Highlights
  • Multiple solver modes (SSS, SAS, ASA, AAS, SSA, Right Triangle)
  • Live triangle visualization with real-time updates
  • Complete triangle properties (area, perimeter, circumradius, inradius)
  • Step-by-step solution breakdown
  • Unit support for various measurements
  • Tap to copy results
Features
Read full description

Triangle Calculator — Solve Any Triangle Instantly The most powerful triangle calculator on iPhone/iPad. Whether you're a student solving geometry homework, an engineer calculating structural angles, or a teacher demonstrating trigonometry — Triangle Calculator gives you every answer in seconds. 6 POWERFUL SOLVER MODES Tackle any triangle problem, no matter what values you have: SSS — solve from 3 sides using the Law of Cosines SAS — 2 sides and an included angle ASA — 2 angles and the side between them AAS — 2 angles and a non-included side SSA — the ambiguous case, with automatic detection of 0, 1, or 2 solutions Right Triangle — dedicated mode for right triangles using the Pythagorean theorem LIVE TRIANGLE VISUALIZATION Watch your triangle redraw in real time as you type. Animated sides, labeled angles, altitude lines, and vertex markers update instantly. Pinch to zoom for a closer look. COMPLETE TRIANGLE PROPERTIES Go beyond basic sides and angles. Every solution includes: • Area and perimeter • Circumradius R and Inradius r • All 3 medians, altitudes, and angle bisectors STEP-BY-STEP SOLUTIONS Toggle on step-by-step mode to see exactly how each answer was calculated — formulas, substitutions, and results. Perfect for checking your homework or understanding the math behind the answer. TAP TO COPY ANY RESULT Tap any calculated value to instantly copy it to your clipboard — great for pasting into reports, spreadsheets, or other apps. UNIT SUPPORT FOR EVERY FIELD Switch between mm, cm, m, inches, and feet. All results update automatically. Ideal for engineering, construction, architecture, and woodworking. BEAUTIFUL DARK MODE Fully supports iOS Light and Dark Mode with a clean, distraction-free interface. Perfect for: - High school and college geometry & trigonometry students - Engineers, architects, and surveyors - Construction and carpentry professionals - Teachers and tutors - Anyone who needs fast, accurate triangle math Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

About

Triangle Calculator Pro

Features
Read full description

Triangle Calculator helps you solve any triangle easily using Side-Side-Side, Side-Angle-Side, or Angle-Side-Angle inputs. Enter known values to instantly find missing sides, angles, perimeter, and area. The app also draws a labeled triangle diagram and shows step-by-step calculations using geometric formulas. Ideal for students, teachers, and professionals who need accurate results with clear visual explanation.

Screenshots

Triangle Calculator Plus4 screens
Triangle Calculator Pro3 screens

Verdict

The call

The clearest difference is price: Triangle Calculator Pro at Free against Triangle Calculator Plus's $3.99. Triangle Calculator Plus's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement 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 Calculator Pro is free to download; Triangle Calculator Plus costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
Triangle Calculator Plus versus Triangle Calculator Pro: the parameters behind the verdict, then further details
ParameterTriangle Calculator PlusTriangle Calculator Pro
Price$3.99Free — better
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 23 months—
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.616.6 — better
Further details — not scored
Size1 MB4 MB
Age rating4+4+
DeveloperHeng Jia LiangMallikarjuna Mallisetty

In-app purchases

None

Triangle Calculator Plus

No in-app purchases

None

Triangle Calculator Pro

No in-app purchases

Questions

Is Triangle Calculator Plus free?
Triangle Calculator Plus costs $3.99, with no in-app purchases.
Is Triangle Calculator Pro free?
Triangle Calculator Pro is free to download, with no in-app purchases.
Do Triangle Calculator Plus or Triangle Calculator Pro have ads?
Triangle Calculator Pro shows ads; Triangle Calculator Plus does not.

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