Comparison

Trigonometry calc vs General Triangle

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

Head to head
About

Trigonometry calc

Calculate side lengths and angles in right-angled triangles using Pythagorean theorem and trigonometry functions. Learn basic trigonometry concepts. An optional premium version removes ads and unlocks a general triangle calculator.

Highlights
  • Calculate side lengths
  • Calculate angles
  • Pythagorean Theorem
  • Trigonometry functions
  • Learn simple trigonometry
  • General triangle calculator (premium)
Features
Read full description

Use Trigonometry Calc to calculate sidelengths and angles in the right angled triangle. By the help of Pythagorean Theorem and some trigonometry functions you can in this app calculate side lengths and angles in any right angled triangle. Learn simple trigonometry. •Math •Trigonometry •Pythagorean Theorem Trigonometry Premium Go ad-free forever and unlock the advanced General Triangle Calculator (SAS/SSA/ASA). Solve any triangle, not just right triangles

About

General Triangle

Instantly solve geometry problems and prepare for exams with step-by-step solutions. Input your triangle measurements to calculate all lengths, angles, heights, area, and perimeter. Access a wealth of learning resources and manage your saved solutions.

Highlights
  • Step-by-step solutions
  • Calculate lengths, angles, area, perimeter
  • Triangle visualization
  • Curated learning videos
  • Manage saved solutions
  • Feedback on incorrect inputs
Features
Read full description

Finish your homework instantly. Prepare for exams without stress. Free, complete step-by-step solutions. Enter your values and get all lengths, angles, heights, the area, and the perimeter. HOW IT WORKS Enter your values in 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. We cannot draw any conclusions about you. COSTS Everything is free to use. 24/7 access to your solutions. All solution steps always remain complete. If you need a large number of solutions in a short time, various purchase options are available. EXTRAS - Overview of all quantities - Triangle visualization - 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

Trigonometry calc4 screens
General Triangle4 screens

Verdict

The call

The clearest difference is review sentiment: General Triangle at 100% against Trigonometry calc's 0%. General Triangle also leads on rating (5.0 vs 3.0) and ads (none vs shown). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Trigonometry calc sells 1 one-off in-app purchase and General Triangle sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

General Triangle holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 0% of Trigonometry calc's written reviews are positive against 100% of General Triangle's.

UpkeepUpdate frequency

Trigonometry calc ships an update every 3 months, General Triangle every 3 weeks. The most recent releases landed on September 6, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
Trigonometry calc versus General Triangle: the parameters behind the verdict, then further details
ParameterTrigonometry calcGeneral Triangle
PriceFreeFree
Rating3.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings2 — better1
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size10 MB182 MB
Age rating4+4+
DeveloperBo KalvslundGlindemann, Sennoun, Langer GbR

Customer experience

Trigonometry calc

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews5 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

General Triangle

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Trigonometry calc

One-time1
  • Premium$0.99
8 purchases

General 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$1.99
  • Lifetime Access$2.99

Questions

Is Trigonometry calc free?
Trigonometry calc is free to download, with in-app purchases available.
Is General Triangle free?
General Triangle is free to download, with in-app purchases available.
Which has better reviews, Trigonometry calc or General Triangle?
General Triangle is rated higher. Trigonometry calc averages 3.0 out of 5 from 2 ratings, while General Triangle averages 5.0 from 1 ratings.
Do Trigonometry calc or General Triangle have ads?
Trigonometry calc shows ads; General Triangle does not.
Which is updated more often, Trigonometry calc or General Triangle?
Trigonometry calc ships an update every 3 months, and General Triangle every 3 weeks. Most recently, Trigonometry calc was updated on September 6, 2026 and General Triangle on September 20, 2026.

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