Comparison

Unit Circle Calculator vs Smart lecture ebook

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

Head to head
About

Unit Circle Calculator

Visualize and understand the unit circle with step-by-step calculations, diagrams, and animations. Supports various input formats and saves your work in a history for easy access and sharing.

Highlights
  • Unit circle visualization
  • Step-by-step calculation explanations
  • Diagrams and animations
  • Supports negative, decimal, fraction, and π inputs
  • Calculation history
  • Shareable solutions
Features
Read full description

Finish your homework instantly. Prepare for exams without stress. Free, complete step-by-step solutions. Enter radians or degrees and get sin, cos, tan, rotations, quadrant, and the endpoint on the unit circle – with interactive graphs that clearly show the relationship between sine, cosine, and the unit circle. HOW IT WORKS Enter your values in the appropriate 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 can be used for free. 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 - Visualization of key values in the unit circle - Curated learning videos - Feedback for incorrect inputs - Manage your own solutions - App introduction CONTACT Questions and feedback via Discord or directly in the app review.

About

Smart lecture ebook

Features
Read full description

“Smart lecture ebook” is an innovative app that connects school textbook and e-learning video published by SHINKOSHUPPANSHA KEIRINKAN CO.,LTD. You can use not only a paper book but also a video and the sound, so you can learn by more effective way. In a waiting time, you can listen to the commentary of the question, and think about the question that you did not understand. You can use the following two features. 1. You can watch the video based on publication of SHINKOSHUPPANSHA KEIRINKAN CO.,LTD., when you press the link button located in the e-book. 2. You can start the AR camera and load the video from the paper book. ●The service that this application provides (A) “Free version e-book” which can read all of each e-book (B) “Paid version e-book” which can read all of each e-book

Screenshots

Unit Circle Calculator4 screens
Smart lecture ebook4 screens

Verdict

The call

The clearest difference is update cadence: Smart lecture ebook at daily against Unit Circle Calculator's every 3 weeks. Smart lecture ebook also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases 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. Unit Circle Calculator sells 8 one-off in-app purchases and Smart lecture ebook sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Unit Circle Calculator ships an update every 3 weeks, Smart lecture ebook daily. The most recent releases landed on November 12, 2026 and November 7, 2026 respectively.

Scorecard2 real differences · 8 level
Unit Circle Calculator versus Smart lecture ebook: the parameters behind the verdict, then further details
ParameterUnit Circle CalculatorSmart lecture ebook
PriceFreeFree
Rating3.4 (8 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings8 — better—
Update frequencyEvery 3 weeksDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size182 MB121 MB
Age rating4+17+
DeveloperGlindemann, Sennoun, Langer GbRSHINKOSHUPPANSHA KEIRINKAN Co.,Ltd

In-app purchases

8 purchases

Unit Circle 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
1 purchases

Smart lecture ebook

One-time1
  • JAPANESE MATH SmartLacture10$8.99

Questions

Is Unit Circle Calculator free?
Unit Circle Calculator is free to download, with in-app purchases available.
Is Smart lecture ebook free?
Smart lecture ebook is free to download, with in-app purchases available.
Do Unit Circle Calculator or Smart lecture ebook have ads?
Neither Unit Circle Calculator nor Smart lecture ebook shows ads.
Which is updated more often, Unit Circle Calculator or Smart lecture ebook?
Unit Circle Calculator ships an update every 3 weeks, and Smart lecture ebook daily. Most recently, Unit Circle Calculator was updated on November 12, 2026 and Smart lecture ebook on November 7, 2026.

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