Comparison

Triangle Calculator vs ARCmaster

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

Head to head
About

Triangle Calculator

This geometry tool simplifies trigonometry and triangle calculations. It provides quick and accurate results for various measurements, including angles, sides, area, and advanced geometric properties. Ideal for students, professionals, and anyone needing precise calculations.

Highlights
  • Triangle angle calculation
  • Side length and hypotenuse calculation
  • Area and perimeter calculation
  • Advanced geometry calculations
  • User-friendly interface
  • Accurate results
Features
Read full description

Solve triangles, angles, sides, and geometry calculations quickly with Triangle Calculator. Whether you need to find a missing side, calculate an angle, solve a right triangle, or work with arcs, chords, tapers, and PCD measurements, the app gives you the tools you need in one simple place. Just enter the values you know and get accurate results instantly. KEY FEATURES • Triangle Calculator Calculate missing sides, angles, area, perimeter, and other triangle values. • Angle & Side Solver Enter known measurements and quickly find unknown angles or side lengths. • Trigonometry Calculator Work with common trigonometric calculations without having to solve formulas manually. • Hypotenuse Calculator Quickly calculate the hypotenuse and other sides of a right triangle. • Arc & Chord Calculator Calculate arc length, chord length, radius, sector values, and related measurements. • Taper Calculator Find taper angles and measurements for design, engineering, machining, and workshop calculations. • PCD Calculator Calculate pitch circle diameter and related measurements quickly. • Area & Perimeter Calculate useful geometry measurements for different shapes and applications. SIMPLE AND FAST Designed to make geometry and trigonometry calculations easier. Enter your known values, choose the calculation you need, and get clear results without complicated steps. USEFUL FOR • Students and teachers • Engineers and designers • Machinists and workshop professionals • Construction and fabrication work • DIY projects • Everyday geometry calculations From simple triangle calculations to more advanced arc, chord, taper, and PCD measurements, Triangle Calculator helps you solve calculations faster and with less effort. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://chief-cheque-627.notion.site/Privacy-Policy-23e6adfdb3748140a9e5f78e9ce25995

About

ARCmaster

Features
Read full description

ARCmaster: Geometry Calculator & CAD Export ARCmaster is a powerful geometry calculation tool designed specifically for professionals in engineering, construction, aluminum and glass industries, as well as students. The app provides fast and accurate calculations for various geometric shapes, while supporting professional file exports for seamless documentation and sharing. Key Features: - Comprehensive Geometry Solver: Calculate triangles, curved triangles, quadrilaterals, parallelograms, arches, squares, rectangles, rhombus, regular polygon, regular pyramid, and divided circle. - Intuitive Parameter Input: Enter and verify dimensions with a visual, user-friendly interface. - Instant Results: Automated calculations with clear, high-precision data display. - Professional PDF Export: Generate high-quality PDF files for easy storage, sharing, and printing. - CAD Support: Export to DXF/DWG format for advanced technical design and editing in CAD software. ARCmaster features a clean, intuitive interface, making it perfect for both beginners and experienced technical experts. We are committed to continuous updates, enhancing precision and user experience in every version. Download ARCmaster today to streamline your geometric calculations and design workflow!

Screenshots

Triangle Calculator4 screens
ARCmaster4 screens

Verdict

The call

The clearest difference is in-app purchases: ARCmaster at none against Triangle Calculator's 2. ARCmaster also leads on update cadence (every 3 weeks vs every 4 months). On price, ads, 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

Both are free to download. Triangle Calculator sells 2 in-app purchases, starting at $0.99 per month. ARCmaster asks for nothing beyond the download.

UpkeepUpdate frequency

Triangle Calculator ships an update every 4 months, ARCmaster every 3 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 7 level
Triangle Calculator versus ARCmaster: the parameters behind the verdict, then further details
ParameterTriangle CalculatorARCmaster
PriceFreeFree
Rating3.7 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size15 MB30 MB
Age rating4+4+
DeveloperVaghani KeyurAnh Thu Duong

In-app purchases

2 purchases

Triangle Calculator

Subscriptions2
  • Monthly Premium$0.991 Month
  • Yearly Premium$2.991 Year
None

ARCmaster

No in-app purchases

Questions

Is Triangle Calculator free?
Triangle Calculator is free to download, with in-app purchases available.
Is ARCmaster free?
ARCmaster is free to download, with no in-app purchases.
Do Triangle Calculator or ARCmaster have ads?
Neither Triangle Calculator nor ARCmaster shows ads.
Which is updated more often, Triangle Calculator or ARCmaster?
Triangle Calculator ships an update every 4 months, and ARCmaster every 3 weeks. Most recently, Triangle Calculator was updated on October 7, 2026 and ARCmaster on October 10, 2026.

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