Triangle & Angle calculator vs Trigonometry Help Lite
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
Trigonometry Help Lite
This app quickly calculates unknown angles and sides of right-angled triangles. It offers a workings view for detailed solutions, scale drawings, and a formula reference. Input angles in various formats and customize decimal precision.
- Solve right-angled triangles
- View detailed math workings
- Scale drawing of solved triangle
- Basic trig formulae reference
- Multiple angle input formats
- Customizable decimal places
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Trig Help is a simple triangle calculator that enables you to quickly and easily find unknown angles & sides of any right-angled triangle. Features Include: - Accurately solve right-angled triangles - Workings view, so you can see the math behind the solutions (requires optional upgrade) - View a scale drawing of your solved triangle - View a handy set of basic trig formulae - Enter angles in radians, decimal degrees or degrees, minutes, seconds - Select your preferred number of decimal places What two App Store reviewers had to say about Trig Help: "I could never remember those simple formulas. I always had to dig out my text books from MANY YEARS ago to refresh my memory. THIS LITTLE APP IS A DELIGHT TO USE! I love it! Even my engineer friends are impressed. THANKS!" 5 Stars "Easy to use and accurate with high degree of precision. Would recommend to any toolmaker." 5 Stars Also available for macOS on the Mac App Store.
Screenshots
Verdict
The clearest difference is review sentiment: Trigonometry Help Lite at 88% against Triangle & Angle calculator's 5%. Trigonometry Help Lite also leads on rating (4.7 vs 4.0) and update cadence (every 6 weeks vs every 3 months). On price, ads, 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 Trigonometry Help Lite sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Trigonometry Help Lite holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 209 and 768 respectively. Written reviews point the same way: 5% of Triangle & Angle calculator's written reviews are positive against 88% of Trigonometry Help Lite's.
Triangle & Angle calculator ships an update every 3 months, Trigonometry Help Lite every 6 weeks. The most recent releases landed on September 18, 2026 and September 30, 2026 respectively.
| Parameter | Triangle & Angle calculator | Trigonometry Help Lite |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (209 ratings) | 4.7 (768 ratings) — better |
| Positive reviews | 4.5% of reviews | 87.5% of reviews — better |
| Number of ratings | 209 | 768 — better |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| 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 | 11.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Maxime Haeyaert | Armchair Engineering |
Customer experience
Triangle & Angle calculator
Trigonometry Help Lite
Bugs and requests
Triangle & Angle calculator
Not enough reviews yet to summarise bugs or requests.
Trigonometry Help Lite
Reported bugs
1 issue- Incorrect calculation results in some cases
Requested features
4 requests- Better visual representation of triangles
- Clearer explanation of premium features
- Higher default decimal place precision
- More detailed feature descriptions for paid tiers
In-app purchases
Triangle & Angle calculator
- Deleting advertisements$0.99
- Detail Calculations and formul$1.99
Trigonometry Help Lite
- Trig Help Premium$2.99
- Trig Help Premium$3.99
- Trig Help Premium$5.99
Questions
Is Triangle & Angle calculator free?
Is Trigonometry Help Lite free?
Which has better reviews, Triangle & Angle calculator or Trigonometry Help Lite?
Do Triangle & Angle calculator or Trigonometry Help Lite have ads?
Which is updated more often, Triangle & Angle calculator or Trigonometry Help Lite?
Other comparisons
