Comparison

Unit Circle Practice vs Dogl Calculus

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

Head to head
About

Unit Circle Practice

Master the unit circle with focused training on angles, radians, coordinates, and exact trig values. Interactive exercises and quizzes build speed and accuracy for pre-calculus and trigonometry students. Unlock advanced tools for deeper understanding and test preparation.

Highlights
  • Interactive drag-and-drop training
  • Unit circle and exact value quizzes
  • Clean unit circle guide with summaries
  • Inverse trig and angle conversion practice
  • Quadrant sign identification
Features
Read full description

Unit Circle Practice helps students master the unit circle with fast, focused, no-nonsense training. Built for Pre-Calculus and Trigonometry students, this app targets the exact skills that show up on quizzes, unit tests, and AP-style assessments — angles, radians, coordinates, and exact trig values. Practice & Learn • Interactive Drag-and-Drop Training for degrees, radians, and ordered pairs • Unit Circle Quiz to build speed and accuracy locating points • Exact Value Quiz for sin, cos, and tan recall • Clean Unit Circle Guide with swipeable concept summaries • Designed for quick daily reps and efficient test prep No distractions. No clutter. Just repetition that works. Pro Lifetime Unlock Unlock advanced training tools for deeper mastery: • Inverse Trig Quiz (principal value practice) • Angle Conversion Sprint (degrees ↔ radians speed) • Reference Angle Quiz • Coterminal Angles Practice • Quadrant Sign Identification Perfect for students preparing for cumulative exams, finals, and AP courses. Whether you’re learning the unit circle for the first time or sharpening for a big test, Unit Circle Practice gives you structured repetition that builds confidence fast. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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.

Screenshots

Unit Circle Practice4 screens
Dogl Calculus4 screens

Verdict

The call

The clearest difference is update cadence: Dogl Calculus at every 2 months against Unit Circle Practice's every 6 months. Dogl Calculus also leads on ratings volume (153 vs 21). On price, rating, review sentiment and ads 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. Unit Circle Practice sells 1 one-off in-app purchase and Dogl Calculus sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Unit Circle Practice against 4.8 for Dogl Calculus. That said, the two scores are not equally well evidenced: Dogl Calculus has 153 ratings behind it against 21, so its average is the more settled of the two. Written reviews split almost evenly too, at 75% and 75% positive.

UpkeepUpdate frequency

Unit Circle Practice ships an update every 6 months, Dogl Calculus every 2 months. Both last shipped on November 3, 2026.

Scorecard2 real differences · 8 level
Unit Circle Practice versus Dogl Calculus: the parameters behind the verdict, then further details
ParameterUnit Circle PracticeDogl Calculus
PriceFreeFree
Rating4.8 (21 ratings)4.8 (153 ratings) — better
Positive reviews75.0% of reviews75.0% of reviews
Number of ratings21153 — better
Update frequencyEvery 6 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size6 MB39 MB
Age rating4+4+
DeveloperRussell ThormanDogl

Customer experience

Unit Circle Practice

All ratings21 ratings
Positive95.2%
Neutral0.0%
Negative4.8%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Dogl Calculus

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

In-app purchases

1 purchases

Unit Circle Practice

One-time1
  • Pro Lifetime Unlock$1.99
3 purchases

Dogl Calculus

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

Questions

Is Unit Circle Practice free?
Unit Circle Practice is free to download, with in-app purchases available.
Is Dogl Calculus free?
Dogl Calculus is free to download, with in-app purchases available.
Which has better reviews, Unit Circle Practice or Dogl Calculus?
Dogl Calculus is rated higher. Unit Circle Practice averages 4.8 out of 5 from 21 ratings, while Dogl Calculus averages 4.8 from 153 ratings.
Do Unit Circle Practice or Dogl Calculus have ads?
Neither Unit Circle Practice nor Dogl Calculus shows ads.
Which is updated more often, Unit Circle Practice or Dogl Calculus?
Unit Circle Practice ships an update every 6 months, and Dogl Calculus every 2 months. Most recently, Unit Circle Practice was updated on November 3, 2026 and Dogl Calculus on November 3, 2026.

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