Comparison

Dogl Calculus vs Trigonometry for Beginners

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

Head to head
About

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.

Highlights
  • Bite-sized problem-solving
  • Personalized learning paths
  • Weekly free problems
  • Teacher's Eye™ hints
  • Ad-free experience
  • Expert-designed content
Features
Read full description

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.

About

Trigonometry for Beginners

Master trigonometry with interactive lessons and exercises designed for beginners. This app offers step-by-step explanations, fun challenges, and instant feedback to build your confidence from basic angles to word problems.

Highlights
  • Tailored for beginners
  • Interactive step-by-step lessons
  • Fun and challenging exercises
  • Instant feedback on answers
  • Progressive difficulty levels
  • Covers angles, right triangles, ratios, and word problems
Features
Read full description

Learn Trigonometry the Simple and Enjoyable Way! Our beginner-friendly app is designed to make learning trigonometry engaging, enjoyable, and effective. Whether you’re starting from scratch or refreshing your knowledge, this app has everything you need to succeed. Why Choose Our App? - Tailored for Beginners: Each level is carefully designed to guide learners from fundamental concepts to intermediate trigonometry skills. - Interactive Lessons: Step-by-step explanations make each topic clear and easy to understand. - Fun and Challenging Exercises: Engage in interactive activities that make learning trigonometry exciting and hands-on. - Instant Feedback: Get helpful feedback on your answers to learn from mistakes and improve. - Progressive Difficulty: Levels gradually increase in complexity to keep you motivated and help you build confidence. What You’ll Learn Our app covers essential trigonometry topics, including: - Angles: Definitions, types, and relationships between angles - Right Triangles: Pythagorean theorem and angle measurements - Trigonometric Ratios: Sine, cosine, and tangent explained - Trigonometric Values: Special angles and their corresponding values - Trigonometry Word Problems: Apply your knowledge to real-world scenarios Start your trigonometry journey today and discover how fun and easy learning can be!

Screenshots

Dogl Calculus4 screens
Trigonometry for Beginners4 screens

Verdict

The call

The clearest difference is review sentiment: Dogl Calculus at 75% against Trigonometry for Beginners's 0%. Dogl Calculus also leads on ads (none vs shown) and rating (4.8 vs 4.6). On price, in-app purchases, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Dogl Calculus sells 3 one-off in-app purchases and Trigonometry for Beginners sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Dogl Calculus holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 151 and 33 respectively. Written reviews point the same way: 75% of Dogl Calculus's written reviews are positive against 0% of Trigonometry for Beginners's.

UpkeepUpdate frequency

Dogl Calculus ships an update every 2 months, Trigonometry for Beginners every 5 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
Dogl Calculus versus Trigonometry for Beginners: the parameters behind the verdict, then further details
ParameterDogl CalculusTrigonometry for Beginners
PriceFreeFree
Rating4.8 (151 ratings) — better4.6 (33 ratings)
Positive reviews75.0% of reviews — better0.0% of reviews
Number of ratings151 — better33
Update frequencyEvery 2 months — betterEvery 5 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size39 MB12 MB
Age rating4+4+
DeveloperDoglAswian Editri Sutriandi

Customer experience

Dogl Calculus

All ratings147 ratings
Positive95.2%
Neutral2.0%
Negative2.7%
Written reviews24 reviews
Positive75.0%
Neutral8.3%
Negative16.7%

Trigonometry for Beginners

All ratings10 ratings
Positive90.0%
Neutral10.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

3 purchases

Dogl Calculus

One-time3
  • Unlimited Plan - 1 month$4.99
  • Unlimited Plan - 4 months$14.99
  • Unlimited Plan - 1 year$24.99
1 purchases

Trigonometry for Beginners

One-time1
  • Remove Ads$2.99

Questions

Is Dogl Calculus free?
Dogl Calculus is free to download, with in-app purchases available.
Is Trigonometry for Beginners free?
Trigonometry for Beginners is free to download, with in-app purchases available.
Which has better reviews, Dogl Calculus or Trigonometry for Beginners?
Dogl Calculus is rated higher. Dogl Calculus averages 4.8 out of 5 from 151 ratings, while Trigonometry for Beginners averages 4.6 from 33 ratings.
Do Dogl Calculus or Trigonometry for Beginners have ads?
Trigonometry for Beginners shows ads; Dogl Calculus does not.
Which is updated more often, Dogl Calculus or Trigonometry for Beginners?
Dogl Calculus ships an update every 2 months, and Trigonometry for Beginners every 5 months. Most recently, Dogl Calculus was updated on October 20, 2026 and Trigonometry for Beginners on October 24, 2026.

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