Best Irrationals Apps & Games

86+ iOS apps & games curated and reviewed

4.3 avg rating

19 free apps & games

Updated September 2026

The best irrationals apps and games on iPhone average 4.3★ across 86+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Irrationals Apps & Games (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Irrationals	Free	5.0★ (4)	No	No	May 2026
2	CarSpotter	Free	4.4★ (85)	Yes	Yes	Sep 2026
3	Nature TCG	Free	—	No	Yes	Sep 2026
4	Zetamac Arithmetic Practice	Free	4.7★ (18)	No	No	Sep 2026
5	The Modern Rationalist	Free	—	No	Yes	Aug 2026
6	Roots	Free	4.1★ (22)	No	Yes	Sep 2026
7	functionCalculator	Free	4.3★ (6)	Yes	No	May 2026
8	Think Again	Free	3.5★ (2)	No	Yes	Sep 2026

Top Picks for Irrationals

#1

Irrationals by Saeed Rahmatolahi

Irrational Numbers

Editor's Choice

5.0(4 ratings)

Free

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Challenge your math skills by estimating irrational numbers using guided formulas. Earn certificates for your achievements and share them with friends.

#2

CarSpotter by Thomas McPherson

Track your spots.

Strong Contender

4.4😊(85 ratings)

FreeAdsIn-App Purchases

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CarSpotter screenshot 6

Log and track rare and unique vehicles you spot. Save sightings, record locations privately, and build a personal garage of your discoveries. Share your passion with friends and compete on a global leaderboard.

What We Love

👍 Fun and engaging app
🚀 Free to use
🤝 Great for sharing with friends
💯 Excellent design and UI
🎉 Exciting way to discover cars

Room to Improve

🔍 Needs better car identification
🗺️ Map functionality needs improvement
🔋 Gas system can be limiting
📋 Limited car brand selection

#3

Nature TCG by Thomas McPherson

Worth Considering

0.0(0 ratings)

FreeIn-App Purchases

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More Irrationals apps to explore

Zetamac Arithmetic Practice

Zetamac Arithmetic Practice

Zetamac Arithmetic Practice

Mental Math for Quants

This app offers mental math practice tailored for quantitative finance professionals. It focuses on improving calculation speed and accuracy for complex numerical problems.

Mental math practiceQuantitative finance focusCalculation speed improvement

The Modern Rationalist

The Modern Rationalist

The Modern Rationalist

Enjoy reading on the go!

📰 Magazines & Newspapers

Equations Solver and Generator

This app generates unique math equations and exercises focused on square roots and higher-order roots. It provides complete solutions and detailed explanations for each level, making it ideal for exam preparation and homework assignments.

Generates unique equations and exercisesProvides complete solutionsCovers square roots and higher-order roots

free with in-app purchases

functionCalculator

functionCalculator

functionCalculator

by Jirou Fukuda

This app calculates the value of mathematical functions y = f(x) for various types of numbers, including irrational ones. It displays results as exact fractions with square roots and can convert them to decimals. The app also supports calculations involving two different input values, alpha and beta.

Calculate function values for any number typeDisplay results as exact fractionsConvert results to decimal

Test Your Thinking

Explore classic philosophical thought experiments to challenge your thinking, uncover biases, and compare your reasoning with others. Analyze your patterns and gain deeper insights into your worldview. Designed for discovery with a distraction-free interface and offline functionality.

Classic philosophical thought experimentsAnalyze reasoning and cognitive biasesCompare responses with global averages

by Thomas McPherson

by Irrational Technology PTY LTD

Constructive Calculator

Constructive Calculator

Constructive Calculator

Calculator that doesn't round

This calculator performs calculations with arbitrary precision, avoiding rounding errors common in standard calculators. It provides an extensive scientific keypad and can display an unlimited number of digits for exact results.

Arbitrary-precision calculationsUnlimited digit displayScientific keypad

Mental Math Tricks: MathMind

Mental Math Tricks: MathMind

Mental Math Tricks: MathMind

Mental Math Tricks & Drills

Master mental math techniques to calculate faster than a calculator. Learn proven tricks for multiplication, division, percentages, and more through clear explanations, practice drills, and timed challenges. Track your progress and build a consistent learning habit.

30 proven mental math tricksTechniques for multiplication, division, percentages, fractions, and moreStep-by-step explanations and 'why it works' sections

free with in-app purchases

Memorize Pi Digits - 3.14π

Memorize Pi Digits - 3.14π

Memorize Pi Digits - 3.14π

Improve memory by memorizing π

This app helps you memorize digits of Pi, offering up to one million digits for practice. It features a dark mode interface and a network competition mode for up to five players. Ideal for educational purposes and memory improvement.

Memorize up to 1 million Pi digitsDark mode UI designNetwork competition mode (up to 5 players)

📊 Productivity

free with in-app purchases

GCSE Maths Algebra Revision LT

GCSE Maths Algebra Revision LT

GCSE Maths Algebra Revision LT

730 questions in 86 topics

This app offers a comprehensive collection of algebra questions and revision notes for GCSE students. It covers all exam boards and provides instant feedback with detailed explanations to help users track their progress and prepare for exams.

730 algebra questions73 revision notesCovers all exam boards

free with in-app purchases

by Euclidus Inc

Solve math homework and textbook problems with this comprehensive solver. It offers animated step-by-step solutions for a wide range of math topics, from basic operations to calculus. Includes a scientific and graphing calculator.

Animated step-by-step solutionsScientific calculatorGraphing calculator

free with in-app purchases

SAT Math: Number Lite

SAT Math: Number Lite

SAT Math: Number Lite

500+ questions - 52 subtopics

Prepare for the SAT Math test with over 500 practice questions and detailed explanations covering Number & Operations. Track your progress with visual meters and revise specific topics to ensure readiness for test day.

500+ practice questions52 subtopics coveredDetailed explanations for each question

Teach yourself Pure Math

Zetamac problems

Zetamac problems

Zetamac problems

Boost Your Math Skills Daily!

Sharpen your math skills with daily practice problems. This app offers diverse problem types, customizable difficulty, and timed challenges to prepare for exams and interviews. Get instant feedback to improve your accuracy and speed.

Diverse math problem typesCustomizable number rangeTimed practice challenges

Algebra 2 — formulas

Algebra 2 — formulas

Algebra 2 — formulas

This app serves as a personal algebra 2 tutor, offering formulas, video lessons, and a comprehensive textbook. It aims to make learning algebra 2 accessible and understandable through visual explanations and structured content.

Ordered set of basic formulas and theorems37 video lessonsComprehensive textbook

free with in-app purchases

ThinkingMistakes

ThinkingMistakes

ThinkingMistakes

📊 Productivity

FAQ about Irrationals

What are the best irrationals apps & games for iPhone?

Irrationals tops our irrationals apps & games ranking as of September 2026, with a 5.0-star average from 4 App Store ratings, and it's free to download.

Are there free irrationals apps & games for iPhone?

Yes — 19 of the top irrationals apps & games we rank are free to download, including Irrationals and CarSpotter.

Does Irrationals have ads or in-app purchases?

Irrationals has no ads and has no in-app purchases, according to its App Store listing as of September 2026.

How many irrationals apps & games are on the App Store?

We track 86+ irrationals apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

What is Irrationals?

Irrationals is a math game designed to challenge players to estimate irrational numbers using provided math formulas. It offers a fun way to engage with mathematical concepts.

How do I play Irrationals?

In Irrationals, you will enter a world of irrational numbers and use guide math formulas to estimate them. The game provides a framework to test your estimation skills.