Trigonometry Help Lite vs Trigonometry(Math Drills)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
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.
Trigonometry(Math Drills)
Master trigonometry concepts offline with this educational app. It covers essential topics like the Pythagorean theorem, right triangles, special angles, and shape measurements. Challenge yourself to improve your rank and test your knowledge.
- Offline learning
- Pythagorean theorem
- Right triangle trigonometry
- Coordinate trigonometry
- Special angles
- Shape measurements
- Challenge Mode for ranking
Read full descriptionHide full description
You can learn trigonometry offline. For example, Pythagorean theorem, Trigonometry(Right triangle), Trigonometry(Coordinate), Special angle, Relations for trigonometry, Measurement of Shapes. Score high in Challenge Mode to improve your rank!!
Screenshots
Verdict
The clearest difference is in-app purchases: Trigonometry(Math Drills) at none against Trigonometry Help Lite's 3. On price, update cadence, ads 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
Both are free to download. Trigonometry Help Lite sells 3 one-off in-app purchases. Trigonometry(Math Drills) asks for nothing beyond the download.
Trigonometry Help Lite ships an update every 6 weeks, Trigonometry(Math Drills) monthly. The most recent releases landed on September 26, 2026 and August 4, 2026 respectively.
| Parameter | Trigonometry Help Lite | Trigonometry(Math Drills) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (768 ratings) — better | — |
| Positive reviews | 87.5% of reviews | — |
| Number of ratings | 768 — better | — |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 17 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Armchair Engineering | 郷 田村 |
Customer experience
Trigonometry Help Lite
Trigonometry(Math Drills)
Bugs and 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
Trigonometry(Math Drills)
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Trigonometry Help Lite
- Trig Help Premium$2.99
- Trig Help Premium$3.99
- Trig Help Premium$5.99
Trigonometry(Math Drills)
No in-app purchases
Questions
Is Trigonometry Help Lite free?
Is Trigonometry(Math Drills) free?
Do Trigonometry Help Lite or Trigonometry(Math Drills) have ads?
Which is updated more often, Trigonometry Help Lite or Trigonometry(Math Drills)?
Other comparisons















