Dogl Calculus vs Trigonometry(Math Drills)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dogl Calculus
Master calculus with this mobile app designed by university professors. It offers bite-sized problem-solving, personalized learning paths, and hints to guide you through challenging concepts. Start with free practice problems and unlock more weekly.
- Bite-sized problem-solving
- Personalized learning paths
- Weekly free problems
- Teacher's Eye™ hints
- Ad-free experience
- Expert-designed content
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Dogl Calculus is your friendly mobile companion app, designed by university professors to help you conquer Calculus concepts through bite-sized problem-solving. Accelerate your Calculus learning with Dogl: • Practice Makes Perfect: Get 100 FREE problems to start, on any topic. Plus, unlock an additional 10 free problems every week to keep your skills sharp. • Go Unlimited (Optional): Enjoying Dogl and want to master Calculus faster? Upgrade for unlimited problem-solving with affordable 1-month, 4-month, or 1-year plans. No automatic renewals. You choose when to upgrade. • Personalized Learning: Our app adapts to your learning style, tailoring problems based on your progress. • Teacher's Eye™ Guidance: Stuck? Get visual hints that guide you without giving away the answer. • Ad-free & Privacy-focused: We don't show ads or sell your data. Your focus stays on learning. We rely on happy upgraders to keep the app going. • Made by Calculus Experts: Created by university lecturers who understand the challenges students face.
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
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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 Dogl Calculus's 3. Trigonometry(Math Drills) also leads on update cadence (monthly vs every 2 months) and iOS requirement (12.0 vs 15.0). On price, 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. Dogl Calculus sells 3 one-off in-app purchases. Trigonometry(Math Drills) asks for nothing beyond the download.
Dogl Calculus ships an update every 2 months, Trigonometry(Math Drills) monthly. The most recent releases landed on September 19, 2026 and August 4, 2026 respectively.
| Parameter | Dogl Calculus | Trigonometry(Math Drills) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (146 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 146 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Dogl | 郷 田村 |
Customer experience
Dogl Calculus
Trigonometry(Math Drills)
In-app purchases
Dogl Calculus
- Unlimited Plan - 1 month$4.99
- Unlimited Plan - 4 months$14.99
- Unlimited Plan - 1 year$24.99
Trigonometry(Math Drills)
No in-app purchases
