Comparison

Четыре краски vs Binary Quiz

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

Head to head
About

Четыре краски

Explore the Four Color Theorem by coloring a map of Russia. Learn geography and discover the first computer-proven scientific statement. This app offers an interactive way to understand a complex mathematical concept.

Highlights
  • Interactive map coloring
  • Demonstrates Four Color Theorem
  • Geography learning
  • Historical math context
  • Country map exploration
Features
Read full description

Можно ли карту России раскрасить в четыре цвета так, чтобы никакие два соседних региона не были покрашены в один цвет? Оказывается, так можно раскрасить любую карту — это утверждение стало первым компьютерным доказательством в науке. Вы можете проверить это на карте России, подучить немного географию нашей страны, а также побывать в стране Мартина Гарднера.

About

Binary Quiz

Features
Read full description

Binary Quiz is an app that provides quizzes to improve your binary calculation skills. Boost your calculation speed with regular practice!

Screenshots

Четыре краски4 screens
Binary Quiz4 screens

Verdict

The call

The clearest difference is ads: Четыре краски at none against Binary Quiz's shown. Четыре краски also leads on iOS requirement (8.0 vs 12.0). Binary Quiz's advantage is update cadence (every 4 weeks vs every 59 months). On price, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Четыре краски ships an update every 59 months, Binary Quiz every 4 weeks. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

Scorecard3 real differences · 7 level
Четыре краски versus Binary Quiz: the parameters behind the verdict, then further details
ParameterЧетыре краскиBinary Quiz
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews92.9% of reviews—
Number of ratings1 — better—
Update frequencyEvery 59 monthsEvery 4 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better12.0
Further details — not scored
Size11 MB36 MB
Age rating4+4+
DeveloperRoman KoksharovJung wuk Ryu

In-app purchases

None

Четыре краски

No in-app purchases

None

Binary Quiz

No in-app purchases

Questions

Is Четыре краски free?
Четыре краски is free to download, with no in-app purchases.
Is Binary Quiz free?
Binary Quiz is free to download, with no in-app purchases.
Do Четыре краски or Binary Quiz have ads?
Binary Quiz shows ads; Четыре краски does not.
Which is updated more often, Четыре краски or Binary Quiz?
Четыре краски ships an update every 59 months, and Binary Quiz every 4 weeks. Most recently, Четыре краски was updated on October 8, 2026 and Binary Quiz on October 3, 2026.

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