Triangle & Angle calculator vs Tri
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Triangle & Angle calculator
Easily solve geometry exercises and verify your calculations with this tool. It simplifies complex problems with a single click, making math more accessible.
- Solve geometry exercises
- Check calculations
- Simple click interface
- Angle calculations
- Formula solver
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It is now easier to solve exercises and check his calculations. And with a simple click! For any question / suggestion: TeamTrigoIOS@gmail.com
Tri
This app simplifies math homework with a suite of tools including area, basic, and trigonometry calculators. It offers offline access and equation solvers for first and second-degree equations, with more features planned.
- Offline Access
- Area Calculator
- Basic Calculator
- Trigonometry Calculator
- Unit Converter
- Equation Solvers
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Easily complete your homework with this app! Key Features: Offline Access: Use the app anytime, anywhere. Area Calculator: Quickly compute the area of shapes. Basic Calculator: Simplify everyday calculations. Trigonometry Calculator: Solve the Pythagorean theorem. Calculate trigonometric functions. Unit Converter: Convert between units with ease. Equation Solvers: Solve first-degree equations! Solve second-degree equations! And More Features Coming Soon!
Screenshots
Verdict
The clearest difference is review sentiment: Tri at 67% against Triangle & Angle calculator's 5%. Tri also leads on rating (4.5 vs 4.1) and iOS requirement (12.0 vs 15.0). Triangle & Angle calculator's advantage is ads (none vs shown) and ratings volume (217 vs 17). On price, update cadence, in-app purchases and monetization model 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
Both are free to download. Triangle & Angle calculator sells 2 one-off in-app purchases and Tri sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Tri holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: Triangle & Angle calculator has 217 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 5% of Triangle & Angle calculator's written reviews are positive against 67% of Tri's.
Triangle & Angle calculator ships an update every 3 months, Tri every 2 months. Both last shipped on October 24, 2026.
| Parameter | Triangle & Angle calculator | Tri |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (217 ratings) | 4.5 (17 ratings) — better |
| Positive reviews | 4.5% of reviews | 66.7% of reviews — better |
| Number of ratings | 217 — better | 17 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Maxime Haeyaert | Alejandro Apodaca |
Customer experience
Triangle & Angle calculator
Tri
Bugs and requests
Triangle & Angle calculator
Reported bugs
6 issues- Pop-up obstructs initial use
- Cannot change settings due to pop-up
- Formulas not visible after payment
- App resets angles
- Menu covers solution
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- Rectangular triangle missing after update
Requested features
2 requests- Metric version available
- Option to disable ads without payment
Tri
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Triangle & Angle calculator
- Deleting advertisements$0.99
- Detail Calculations and formul$1.99
Tri
- Quitar anuncios$1.99
Questions
Is Triangle & Angle calculator free?
Is Tri free?
Which has better reviews, Triangle & Angle calculator or Tri?
Do Triangle & Angle calculator or Tri have ads?
Which is updated more often, Triangle & Angle calculator or Tri?
Other comparisons
