Comparison

Kidsbook vs Beautiful Trigonometry

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

Head to head
About

Kidsbook

Features
Read full description

Dzień dobry! Aplikacja mobilna Kidsbook wspiera pracę dydaktyczną dyrektorów i nauczycieli szkół oraz edukację dzieci i komunikację z rodzicami. Kidsbook umożliwia dyrektorom i nauczycielom: - planowanie zajęć edukacyjnych - prowadzenie ewidencji dzieci i opiekunów - organizację klas - zaznaczanie frekwencji - przesyłanie ważnych ogłoszeń lub wiadomości - prowadzenie kalendarza wydarzeń w szkole np. zebrań rodziców, dni wolnych, uroczystości i wycieczek - zapis zajęć edukacyjnych - prowadzenie rozliczeń za posiłki lub pobyt w szkole - umieszczanie galerii zdjęć lub filmów To tylko wybrane funkcje wygodnej aplikacji Kidsbook. Rodzice i dzieci mają w aplikacji Kidsbook dostęp do m.in.: - planów zajęć - kalendarza wydarzeń i zgłaszania nieobecności - obserwacji nauczycieli lub zdań domowych - ogłoszeń i wiadomości - szybkich płatności - galerii zdjęć lub filmów - frekwencji Instalacja aplikacji Kidsbook następuje po utworzeniu przez szkołę konta dla rodzica lub opiekuna. Zapraszamy do kontaktu: - Dział Sprzedaży dla szkół: hello@kidsview.pl - Dział Wsparcia Technicznego: wsparcie@kidsview.pl Zespół Kidsbook

About

Beautiful Trigonometry

Features
Read full description

Trigonometry doesn’t have to be confusing. When my daughter first met sine and cosine in school, she asked, “Why do we even need this?” We tried formulas, practice sheets, even flashcards — but it still felt like memorizing rules without meaning. So I built a way to make it visible. With sliders, color, and motion, she could see how angles and sides connect — how triangles breathe, how waves emerge, and how every formula has a shape behind it. That small experiment became Beautiful Trigonometry — an interactive app that turns math from abstract to intuitive. Instead of memorising, explore. Move a slider, rotate a triangle, or trace the unit circle — and suddenly, sine, cosine, and tangent make sense. You’ll discover how to: - Understand how angles and sides connect - See how triangles and graphs reflect each other - Build intuition with the unit circle - Learn faster using animations and instant feedback Free to explore: - Acute Angle Trigonometry: sine, cosine, and tangent made visual - Full Circle Functions: understand sine and cosine across 360° - Triangle Area: learn the sine area formula interactively - Law of Cosines: see it work step by step Upgrade to PRO and unlock: - Graphs of all trig functions: sine, cosine, tangent, cotangent, secant, cosecant - Trig Identities & Formulas: a complete reference Perfect for - Students who want trigonometry to finally click - Teachers and tutors explaining visually - Anyone who loves learning through discovery You won’t just study trigonometry — you’ll feel it click. Part of the Beautiful Math series. Learn visually. Understand deeply. Move ahead.

Screenshots

Kidsbook4 screens
Beautiful Trigonometry4 screens

Verdict

The call

The clearest difference is in-app purchases: Kidsbook at none against Beautiful Trigonometry's 1. Kidsbook also leads on update cadence (weekly vs every 3 months) and iOS requirement (15.5 vs 17.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Beautiful Trigonometry sells 1 one-off in-app purchase. Kidsbook asks for nothing beyond the download.

UpkeepUpdate frequency

Kidsbook ships an update weekly, Beautiful Trigonometry every 3 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 3 level
Kidsbook versus Beautiful Trigonometry: the parameters behind the verdict, then further details
ParameterKidsbookBeautiful Trigonometry
PriceFreeFree
Update frequencyWeekly — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.5 — better17.6
Further details — not scored
Size60 MB8 MB
Age rating4+4+
DeveloperView Concept sp. z o.o.Tomasz Rygula

In-app purchases

None

Kidsbook

No in-app purchases

1 purchases

Beautiful Trigonometry

One-time1
  • Full Trigonometry Access$1.99

Questions

Is Kidsbook free?
Kidsbook is free to download, with no in-app purchases.
Is Beautiful Trigonometry free?
Beautiful Trigonometry is free to download, with in-app purchases available.
Do Kidsbook or Beautiful Trigonometry have ads?
Neither Kidsbook nor Beautiful Trigonometry shows ads.
Which is updated more often, Kidsbook or Beautiful Trigonometry?
Kidsbook ships an update weekly, and Beautiful Trigonometry every 3 months. Most recently, Kidsbook was updated on November 3, 2026 and Beautiful Trigonometry on October 25, 2026.

Other comparisons