Comparison

Triangle Solver vs Isosceles Triangle

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

Head to head
About

Triangle Solver

This app provides step-by-step solutions for triangle calculations and angle conversions. It includes practice exercises, a trigonometry formula sheet, and an integrated math keyboard for easy input. Ideal for students and professionals needing to master triangle properties.

Highlights
  • Step-by-step triangle calculations
  • Angle conversion
  • Practice trigonometry exercises
  • Trigonometry formula sheet
  • Integrated math keyboard
Features
Read full description

Turn your device into the perfect study companion for geometry and trigonometry. "Triangle Solver" is the ultimate app that guides you through solving triangles, helping you understand the logic behind the numbers and always get the right results. Here's everything our app can do for you: ▶ STEP-BY-STEP SOLUTIONS Get the solution in an instant. But we don't stop at the final result: input any 3 values, and the app will completely solve any type of triangle, showing you all the logical steps in detail. Find key values like sides, angles (in DEG, GON, and RAD formats), area, and perimeter, all the way to advanced values like altitudes, inradius, and circumradius. It's the perfect tool to learn the correct method and get fully prepared for homework and exams. ▶ ANGLE CONVERSION The app includes a dedicated section for quick and accurate conversion of angle measurements. Easily switch between units: the system supports decimal degrees (DEG), gradians (GON), radians (RAD), and degrees, minutes, and seconds (DMS). ▶ INTEGRATED MATH KEYBOARD Use our dedicated interface, designed to be incredibly simple and intuitive. Smoothly and quickly type in your values, having only the keys you truly need right at your fingertips. ▶ GUIDED EXERCISES FOR PRACTICE Test your skills with a rich library of ready-to-solve triangle problems, sorted by difficulty and complete with detailed solutions, so you can strengthen your math foundation whenever you want. ▶ FORMULA SHEET ALWAYS AT HAND Having a memory lapse? Review fundamental principles, basic theorems, and all the formulas for solving triangles right in the app. Everything you need to know about the topic is in one place. ▶ CLEAN INTERFACE AND DARK THEME No complications. The UI is simple, intuitive, and includes an elegant dark theme, specifically optimized to prevent eye strain during your evening study sessions. ▶ GUARANTEED RELIABILITY Our algorithms are tested and highly optimized to ensure accurate and instant calculations every time, even for the most complex geometric and trigonometric problems. ▶ CONSTANT UPDATES AND SUPPORT The app is regularly updated to always offer you the best performance and new features. Download "Triangle Solver" today and take your math skills to the next level!

About

Isosceles Triangle

Features
Read full description

Finish homework instantly. Prepare for exams stress-free. Free, complete step-by-step solutions. Enter your values and calculate legs, base, height, angles, perimeter, and area. HOW IT WORKS Enter your values into the correct fields and get started. You’ll receive the solution instantly and can share it with friends or classmates. YOUR PERSONAL DATA We don’t need it. Only anonymized data is collected, for example: - which features are used - how many solutions are generated This helps us improve. No conclusions can be drawn about you. COSTS Everything is free to use. 24/7 access to your solutions. All solution steps remain fully available at all times. If you need many solutions in a short time, various purchase options are available. EXTRAS - overview of all quantities - acute and obtuse triangles - all length units - curated learning videos - feedback on incorrect inputs - manage your own solutions - app introduction CONTACT Questions and feedback via Discord or directly in the app review.

Screenshots

Triangle Solver4 screens
Isosceles Triangle4 screens

Verdict

The call

The clearest difference is in-app purchases: Triangle Solver at none against Isosceles Triangle's 8. Isosceles Triangle's advantage is ads (none vs shown). On price, update cadence, 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. Isosceles Triangle sells 8 one-off in-app purchases. Triangle Solver asks for nothing beyond the download.

UpkeepUpdate frequency

Triangle Solver ships an update monthly, Isosceles Triangle every 3 weeks. The most recent releases landed on September 3, 2026 and September 16, 2026 respectively.

Scorecard2 real differences · 7 level
Triangle Solver versus Isosceles Triangle: the parameters behind the verdict, then further details
ParameterTriangle SolverIsosceles Triangle
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size47 MB180 MB
Age rating4+4+
DeveloperFrancesco VarottiGlindemann, Sennoun, Langer GbR

In-app purchases

None

Triangle Solver

No in-app purchases

8 purchases

Isosceles Triangle

One-time8
  • +30 User Tokens$0.29
  • +1 Convenience Token / 6h, max. +2$0.59
  • +150 User Tokens$0.99
Show 5 more
  • +2 Convenience Tokens / 6h, max. +4$0.99
  • +300 User Tokens$1.49
  • +4 Convenience Tokens / 6h, max. +8$1.59
  • Remove Ads$2.99
  • Lifetime Access$2.99

Questions

Is Triangle Solver free?
Triangle Solver is free to download, with no in-app purchases.
Is Isosceles Triangle free?
Isosceles Triangle is free to download, with in-app purchases available.
Do Triangle Solver or Isosceles Triangle have ads?
Triangle Solver shows ads; Isosceles Triangle does not.
Which is updated more often, Triangle Solver or Isosceles Triangle?
Triangle Solver ships an update monthly, and Isosceles Triangle every 3 weeks. Most recently, Triangle Solver was updated on September 3, 2026 and Isosceles Triangle on September 16, 2026.

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