Best Doomsday Method Apps

187+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated May 2026

Every iPhone needs a few good doomsday method apps. We benchmark 187+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Doomsday Method

Doomsday calculator memory#2

Doomsday calculator memory by Joao Vianna

Test your hability to dates
Strong Contender
πŸ“š Education
5.0(1 ratings)
Free
Doomsday calculator memory screenshot 1
Doomsday calculator memory screenshot 2
Doomsday calculator memory screenshot 3
Doomsday calculator memory screenshot 4

Practice and memorize a method for quickly calculating the weekday of any given date. This app is based on John Conway's 1970 mathematical system, allowing you to test your abilities without external tools.

Khan Academy#3

Khan Academy by Khan Academy

You can learn anything
Worth Considering
πŸ“š Education
4.6😊(103K ratings)
FreeAds
#67in Education
Khan Academy screenshot 1
Khan Academy screenshot 2
Khan Academy screenshot 3
Khan Academy screenshot 4
Khan Academy screenshot 5
Khan Academy screenshot 6

Access a vast library of free educational content, including interactive exercises, videos, and articles. Master subjects from math and science to humanities and finance at your own pace, with offline access and personalized learning paths.

What We Love

  • πŸš€ Impeccable app
  • πŸ‘ Very easy to learn with
  • πŸ‘ Great for learning math
  • πŸ‘ Excellent math program

Room to Improve

  • πŸ› New writing system issues
  • πŸ› Incorrect grammar
  • πŸ› Bugs and glitches

More Doomsday Method apps to explore

4
Date and Time Calculator
Date and Time Calculator
Date and Time Calculator
by ε±± ι’Ÿ
Free

Calculate the exact number of days, hours, and seconds between any two dates. This tool also allows you to find the date before or after a specified period, making it useful for tracking deadlines, events, or financial products.

Calculate time between any two datesSecond-level precisionCalculate future dates
πŸ”§ Utilities
(9.1K)
ad-supported
5
Monster Math 2: Kids Math Game
Monster Math 2: Kids Math Game
Monster Math 2: Kids Math Game
Facts Fluency Made Fun For K-5
Free

This app makes learning math skills fun for children in kindergarten through fifth grade. It covers a wide range of topics from basic geometry to fractions and decimals through an engaging adventure game. Detailed reports help parents track their child's progress and identify areas for improvement.

Practice 67+ math skillsGeometry, addition, subtraction, multiplication, divisionFractions and decimals
πŸ“š Education
(6.4K)
free with in-app purchases
6
Question.AI-Math Calculator
Question.AI-Math Calculator
Question.AI-Math Calculator
Scan&Solve All Subject Problem
Free

This AI chatbot app provides instant answers to your questions, acts as a personal assistant for research, translates over 140 languages, and offers intelligent writing suggestions. It's designed to simplify information gathering and enhance communication for students, professionals, and anyone seeking knowledge.

Instant AI-powered answersPersonalized research assistant140+ language translation
πŸ“š Education
(159K)
free with in-app purchases
7
Socratic AI - Homework Helper
Socratic AI - Homework Helper
Socratic AI - Homework Helper
Scan Math Solver
Free

This AI-powered app helps students with homework across various subjects. Simply scan a problem, and receive step-by-step solutions and detailed explanations from multiple study resources.

Photo math problem scannerStep-by-step AI solutionsAll-in-one learning resources
πŸ“š Education
(5.1K)
free with in-app purchases
8
Math AI Homework Helper,Solver
Math AI Homework Helper,Solver
Math AI Homework Helper,Solver
Algebra calculator free of ads
Free

This app provides instant, step-by-step solutions for a wide range of math problems, from basic arithmetic to calculus. Users can scan math problems with their camera and receive detailed explanations, multiple solving methods, and graphing tools. It's designed to help students understand and solve challenging math questions quickly.

Scan math problems with cameraStep-by-step explanationsGraphing calculator
πŸ“š Education
(30K)
free with in-app purchases
9
MathGPT - AI Math Solver
MathGPT - AI Math Solver
MathGPT - AI Math Solver
AI Problem Solver & Calculator
Free

Instantly solve math problems by taking a photo. Get step-by-step explanations, AI-animated videos, and interactive graphs to understand complex concepts. This AI-powered homework helper covers various subjects beyond math.

Photo-based problem solvingStep-by-step explanationsAI-animated math videos
πŸ“š Education
(5K)
free with in-app purchases
10
Photomath
Photomath
Photomath
Learn math, step-by-step
Free

Scan any math problem to receive instant, step-by-step explanations and accurate solutions. This app breaks down complex problems into manageable steps, helping users understand the 'how' and 'why' of math. It supports a wide range of math topics, from basic arithmetic to advanced calculus.

Scan math problemsStep-by-step explanationsWord problem solver
πŸ“š Education
(733K)
free with in-app purchases
11
FX Math Solver
FX Math Solver
FX Math Solver
by Euclidus Inc
Free

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
πŸ“š Education
(86)
free with in-app purchases
12
Uknow.AI: Homework&Math Solver
Uknow.AI: Homework&Math Solver
Uknow.AI: Homework&Math Solver
Unlimited Answer All Subjects
Free

This AI-powered study assistant provides instant solutions and step-by-step guidance for all subjects, from math to writing. It offers video explanations, error analysis, and 24/7 support to help students improve their grades and understanding.

AI-powered homework solutionsStep-by-step guidanceSupport for all subjects
πŸ“š Education
(20K)
free with in-app purchases
13
Camera Math Solver - UpStudy
Camera Math Solver - UpStudy
Camera Math Solver - UpStudy
photo math solver
Free

Instantly solve academic questions by taking a photo. Get step-by-step explanations, ask follow-up questions, and receive writing assistance. Features include a math solver, AI tutor, and personalized learning sessions.

Scan and solve academic questionsStep-by-step explanationsMath solver for various levels
πŸ“š Education
(1.1K)
free with in-app purchases
14
Photo Math: AI Homework Helper
Photo Math: AI Homework Helper
Photo Math: AI Homework Helper
Scan Question & Solve Problem
Free

This app uses AI to help with math homework. Scan problems with your camera or type them in plain English to get step-by-step solutions and explanations. It also offers an essay writing tool for academic assistance.

Homework scannerStep-by-step solutionsType questions in plain English
πŸ“š Education
(2.6K)
free with in-app purchases
15
SnapCalc - Math Problem Solver
SnapCalc - Math Problem Solver
SnapCalc - Math Problem Solver
Camera Calculator for Homework
Free

Instantly solve math problems by taking a photo. Get step-by-step explanations for algebra, calculus, and more. Practice with quizzes and access educational resources.

Camera-based math problem solvingStep-by-step solution explanationsRecognizes handwritten problems
πŸ“š Education
(42K)
free with in-app purchases
16
Math Solver AI Homework Helper
Math Solver AI Homework Helper
Math Solver AI Homework Helper
Study Help:Ask・Solve Questions
Free

Struggling with math? This app offers instant solutions and clear, step-by-step explanations for a wide range of math topics. Simply snap a photo of your problem to get accurate answers and learn the underlying formulas.

Instant math problem solutionsStep-by-step explanationsPhoto recognition for problems
πŸ“š Education
(1.3K)
free with in-app purchases
17
Desmos Test Mode
Desmos Test Mode
Desmos Test Mode
by Desmos, Inc.
Free

This app provides restricted versions of graphing and scientific calculators designed to meet exam requirements. It allows users to practice for specific state or national assessments by selecting the appropriate test mode. Full, unrestricted calculator features are available in separate applications.

Exam-compliant calculator modesGraphing capabilitiesScientific calculator functions
πŸ“š Education
(366)
free
18
Math Problems 1st - 12th Grade
Math Problems 1st - 12th Grade
Math Problems 1st - 12th Grade
Learn basic & high school math
Free

This app offers a comprehensive math learning experience for all ages, from preschoolers to university students. It provides step-by-step solutions for basic arithmetic and more advanced problems, helping users build math skills through practice and engaging games.

Step-by-step solutionsPractice basic math operationsMath tests and brain training
πŸ“š Education
(11K)
free with in-app purchases
19
Quiz AI: Homework Helper
Quiz AI: Homework Helper
Quiz AI: Homework Helper
Math Scanner,Solver,Notetaker
Free

This AI-powered study companion helps students tackle coursework and master subjects. It offers instant, step-by-step solutions to math problems, generates study aids like flashcards and notes, and provides 24/7 support across various academic disciplines.

Instant step-by-step math solutionsAI-powered notetaker and summarizerDynamic flashcards with spaced repetition
πŸ“š Education
(5.5K)
freemium
20
WolframAlpha Classic
WolframAlpha Classic
WolframAlpha Classic
by Wolfram Group LLC
$2.99

Access a vast computational knowledge engine to get instant expert answers and perform complex calculations across thousands of domains. Explore data, solve problems, and gain insights on topics ranging from finance and nutrition to trivia and weather.

Instant expert knowledgeComplex computationsData analysis and reports
πŸ” Reference
(1.2K)
free with in-app purchases