Keentune

Find your level. Get sharper.

Adaptive practice that meets you exactly where you are — never too easy, never too hard. Skill practice, not a test.

191

skills

116k+

questions

exam preps

Mental math

Sample 1 of 4

Your dog Biscuit gets 2 treats a day, and you sneak 1 a day yourself. The bag holds 30. How many days does it last?

Meets your level

Your level is tracked per skill — being strong at vocabulary never makes the math harder.

See yourself improve

Track your level over time, skill by skill, with a clear sense of progress.

Build the habit

Streaks, a daily goal, and quick sessions that fit into any day.

What you’ll build

Your level, session by session

Example progress

Novice

Apprentice

Sharp

Expert

Master

Everyone starts at Novice

Day streaks

Achievements

Prep for an exam

Admissions & grad school

Homeschool Practice practice

AP exams

AP Biology practice

AP Chemistry practice

AP Physics practice

AP Statistics practice

AP Calculus practice

AP Psychology practice

AP Microeconomics practice

AP Macroeconomics practice

English proficiency

TOEFL practice

Duolingo English Test practice

Citizenship & military

US Citizenship practice

SIFT practice

Navy OAR practice

AFOQT practice

Public safety & civil service

Police Exam practice

Civil Service Exam practice

Firefighter Exam practice

USPS Postal Exam practice

EMT practice

Hiring assessments

Watson-Glaser practice

SHL / Korn Ferry practice

PI Cognitive Assessment practice

BMCT practice

Job Aptitude Test practice

EEI CAST & POSS practice

Ramsay Mechanical Test practice

Tech & IT certs

Coding interview practice

System design interview practice

CKA practice

AWS Solutions Architect practice

CompTIA Network+ practice

CompTIA Security+ practice

Frontend interview practice

Mobile interview practice

Behavioral interview practice

Backend interview practice

CompTIA A+ practice

CISSP practice

Terraform Associate practice

Professional licensing

SIE practice

ServSafe Manager practice

EPA 608 practice

Real Estate Exam practice

FAA Part 107 practice

CPC (Medical Coding) practice

Private Pilot (PAR) practice

CPA Exam practice

Boating License practice

Sports officiating

Basketball Officiating practice

Football Officiating practice

Soccer Refereeing practice

Baseball Umpiring practice

Volleyball Officiating practice

Practice any skill

Vocabulary

Mental Math

General Knowledge

Reading Comprehension

Emotional Intelligence

Words & Language

Reasoning & Memory

Numbers & Data

Probabilistic Reasoning

Calculus

People & Self

Public-Safety Judgment

Non-Verbal Communication

Social Intelligence

Charisma

Attraction & Connection

Knowledge & Trivia

Greek & Roman Mythology

Everyday Science

Astronomy & Space

Meteorology & Weather

Arts & Design

Food & Cooking

Creator & Media

Life Skills

Business & Economics

Management & Leadership

Health & Body

Careers & Licensing

Securities Regulation

Refrigerant Regulations

Refrigerant Recovery

Real Estate Principles

Boating Navigation Rules

Boating Safety & Operations

Pharmacy Calculations

Pharmacy Law & Safety

Basketball Rules & Rulings

Basketball Officiating Mechanics

Football Rules & Rulings

Football Officiating Mechanics

Soccer Laws of the Game

Soccer Refereeing Mechanics

Baseball Rules & Rulings

Baseball Umpiring Mechanics

Food Safety Management

Nursing Fundamentals

Med-Surg Nursing

CDL General Knowledge

CDL Air Brakes & Combination

EMT Medical Care

EMT Trauma & Operations

IT Support & Hardware

Security Governance & Risk

Medical Coding

Aeronautical Knowledge

Aviation Weather & Regulations

Volleyball Officiating Rules

Volleyball Officiating Mechanics

Financial Accounting & Reporting

Auditing & Attestation

Tax & Business Regulation

Behavioral Interviews

Automotive Systems

Shop Tools & Practices

Tools & Platforms

Computer Science

Engineering Leadership

Also on your phone

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For ages 13+. Skill practice, not a test.