Trigonometry calc vs Percentage Value Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Calculate side lengths
- Calculate angles
- Pythagorean Theorem
- Trigonometry functions
- Learn simple trigonometry
- General triangle calculator (premium)
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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
Percentage Value Calculator
Easily calculate percentages with detailed step-by-step solutions. Input any two variables to find the third, with support for fractions and decimals. All calculations are saved in a history that can be managed and shared.
- Percentage calculation
- Detailed solution steps
- History function
- Support for fractions and decimals
- Option to remove ads
- Swipe navigation
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Finish your homework instantly. Prepare for exams without stress. Free, complete step-by-step solutions. Enter your values and calculate base value, percentage value, and percentage rate. HOW IT WORKS Enter your values into the appropriate fields and get started. You’ll receive the solution instantly and can share it with friends or classmates. YOUR DATA We don’t need it. Only anonymized data is collected, such as: - 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 remain fully available at all times. If you need many solutions in a short time, various purchase options are available. EXTRAS - 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
Verdict
The clearest difference is review sentiment: Percentage Value Calculator at 75% against Trigonometry calc's 0%. Percentage Value Calculator also leads on rating (4.0 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
Both are free to download. Trigonometry calc sells 1 one-off in-app purchase and Percentage Value Calculator sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Percentage Value Calculator holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 0% of Trigonometry calc's written reviews are positive against 75% of Percentage Value Calculator's.
Trigonometry calc ships an update every 3 months, Percentage Value Calculator every 3 weeks. The most recent releases landed on October 24, 2026 and November 3, 2026 respectively.
| Parameter | Trigonometry calc | Percentage Value Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 4.0 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| 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 | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 180 MB |
| Age rating | 4+ | 4+ |
| Developer | Bo Kalvslund | Glindemann, Sennoun, Langer GbR |
Customer experience
Trigonometry calc
Percentage Value Calculator
In-app purchases
Trigonometry calc
- Premium$0.99
Percentage Value Calculator
- +30 User Tokens$0.29
- +1 Convenience Token / 6h, max. +2$0.59
- +2 Convenience Tokens / 6h, max. +4$0.99
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- +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?
Is Percentage Value Calculator free?
Which has better reviews, Trigonometry calc or Percentage Value Calculator?
Do Trigonometry calc or Percentage Value Calculator have ads?
Which is updated more often, Trigonometry calc or Percentage Value Calculator?
Other comparisons
