Triangle Calculator Plus vs TrigQuest
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
TrigQuest
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Description: TrigQuest turns trigonometry into an adventure. Solve sin, cos, and tan problems through 10 worlds of increasingly challenging puzzles — each with clear diagrams, step-by-step solutions, and instant feedback. FEATURES • 700 carefully crafted questions across 10 worlds • Visual diagrams for every question — see the triangle, not just the numbers • Step-by-step solutions so you always understand why • Leaderboard — compete with players worldwide • Achievements and XP progression to keep you motivated • Remove Ads upgrade available PERFECT FOR • High school and college students studying trigonometry • SAT / ACT math prep • Anyone who wants to finally master sin, cos, and tan Learn by doing. Level up by understanding.
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Verdict
The clearest difference is price: TrigQuest at Free against Triangle Calculator Plus's $3.99. Triangle Calculator Plus's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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
TrigQuest is free to download; Triangle Calculator Plus costs $3.99 up front. TrigQuest sells 1 one-off in-app purchase. Triangle Calculator Plus asks for nothing beyond the download.
| Parameter | Triangle Calculator Plus | TrigQuest |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 23 months | — |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Heng Jia Liang | Ori Shalom |
In-app purchases
Triangle Calculator Plus
No in-app purchases
TrigQuest
- Remove Ads$1.99
Questions
Is Triangle Calculator Plus free?
Is TrigQuest free?
Do Triangle Calculator Plus or TrigQuest have ads?
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