Comparison

Trigonometry calc vs Logarithm Rules Calculator

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

Logarithm Rules Calculator

Features
Read full description

Get your homework done instantly. Prepare for exams stress-free. Free, complete step-by-step solutions. Enter your values and apply logarithm rules. HOW IT WORKS Enter your values into 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. No conclusions can be drawn about you. COSTS Everything is free to use. 24/7 access to your solutions. All solution steps are always complete. If you need many solutions in a short time, various purchase options are available. EXTRAS - Overview of all calculation rules - 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
Logarithm Rules Calculator4 screens

Verdict

The call

The clearest difference is ads: Logarithm Rules Calculator at none against Trigonometry calc's shown. Logarithm Rules Calculator also leads on update cadence (every 3 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement 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 Logarithm Rules Calculator sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Trigonometry calc ships an update every 3 months, Logarithm Rules Calculator every 3 weeks. The most recent releases landed on September 6, 2026 and August 17, 2026 respectively.

Scorecard2 real differences · 8 level
Trigonometry calc versus Logarithm Rules Calculator: the parameters behind the verdict, then further details
ParameterTrigonometry calcLogarithm Rules Calculator
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree 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

In-app purchases

1 purchases

Trigonometry calc

One-time1
  • Premium$0.99
8 purchases

Logarithm Rules Calculator

One-time8
  • +30 User Tokens$0.29
  • +1 Convenience Token / 6h, max. +2$0.59
  • +2 Convenience Tokens / 6h, max. +4$0.99
Show 5 more
  • +150 User Tokens$0.99
  • +300 User Tokens$1.49
  • +4 Convenience Tokens / 6h, max. +8$1.59
  • Remove Ads$1.99
  • Lifetime Access$1.99

Questions

Is Trigonometry calc free?
Trigonometry calc is free to download, with in-app purchases available.
Is Logarithm Rules Calculator free?
Logarithm Rules Calculator is free to download, with in-app purchases available.
Do Trigonometry calc or Logarithm Rules Calculator have ads?
Trigonometry calc shows ads; Logarithm Rules Calculator does not.
Which is updated more often, Trigonometry calc or Logarithm Rules Calculator?
Trigonometry calc ships an update every 3 months, and Logarithm Rules Calculator every 3 weeks. Most recently, Trigonometry calc was updated on September 6, 2026 and Logarithm Rules Calculator on August 17, 2026.

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