Comparison

Triangle Solver vs Noori

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

Noori

Features
Read full description

Noori is a modern learning app designed for calm, focused, and effective studying. With a clean interface and a distraction-light experience, Noori helps you stay organized, build consistent study habits, and learn with more clarity. With Noori, you can: - study in a structured way - stay focused while practicing - reduce distractions - create a better learning experience Noori Pro unlocks additional learning features for an even better study experience. With Noori Ad-Free, you can remove ads permanently. Noori is built for people who want to learn with clarity, consistency, and focus. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://noori.at/datenschutz.html

Screenshots

Triangle Solver4 screens
Noori4 screens

Verdict

The call

The clearest difference is in-app purchases: Triangle Solver at none against Noori's 4. Noori's advantage is ads (none vs shown) and update cadence (every 2 weeks vs monthly). On price 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

Both are free to download. Noori sells 4 in-app purchases, starting at $2.99 per 7 days. Triangle Solver asks for nothing beyond the download.

UpkeepUpdate frequency

Triangle Solver ships an update monthly, Noori every 2 weeks. The most recent releases landed on September 17, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 5 level
Triangle Solver versus Noori: the parameters behind the verdict, then further details
ParameterTriangle SolverNoori
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyMonthlyEvery 2 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size47 MB58 MB
Age rating4+4+
DeveloperFrancesco VarottiLukas Wagner

In-app purchases

None

Triangle Solver

No in-app purchases

4 purchases

Noori

Subscriptions3
  • Noori Premium Weekly$2.997 Days
  • Noori Pro Monthly$6.991 Month
  • Noori Pro Yearly$34.991 Year
One-time1
  • Noori Ad-free$3.99

Questions

Is Triangle Solver free?
Triangle Solver is free to download, with no in-app purchases.
Is Noori free?
Noori is free to download, with in-app purchases available.
Do Triangle Solver or Noori have ads?
Triangle Solver shows ads; Noori does not.
Which is updated more often, Triangle Solver or Noori?
Triangle Solver ships an update monthly, and Noori every 2 weeks. Most recently, Triangle Solver was updated on September 17, 2026 and Noori on October 13, 2026.

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