Practice dates and track your progress
Learn to calculate the day of the week for any between 1800 and 2200 using the Doomsday Algorithm. Track progress with personal times. Compare results with calculated values. Save custom mnemonics for special dates in the Doomsday List.
Showing 81–100 of 1,000 ranked alternatives.
Free-Flight-Aviation Ltd.
Practice IFR procedures and navigate flights
Learn and practice IFR flying with a simulator that allows setting up custom navigation aids, aircraft position, speed, and movement. Adjust runway direction, wind conditions, and use instruments like VOR, HSI, DME, and RMI.
Applorium Ltd
Track dates and milestones
Track duration with dates and milestones. Input start date to calculate years, months, and days. Receive alerts for anniversaries and special occasions. View progress and set reminders for important events.
Ginkgo Academy
Characters, practice pronunciation, track progress
Characters through video lessons that explain their history, etymology, and cultural context. Practice with mnemonic tips and examples. Track progress and review characters for retention.
HomeSpeechHome PLLC
Find and use functional speech therapy content
Access and use functional words, phrases, sentences, stories, flashcards, and audio for articulation, language, and social skills. Search by sound, blend, place, difficulty, or concept. Includes 1800+ HD real-world pictures.
AoPS Incorporated
Practice problems and review solutions
Solve math problems from past competitions. Track progress and compare with others. Access full solutions for each problem. Compete on a leaderboard. Practice for School, Chapter, State, and National levels.
DEVINE MUSIC LIMITED
Play along with real musicians
Practice bass with real-time metronome and tuner. Jam with live drum samples from Mark Guiliana and Nate Wood. Record and loop grooves. Track progress with practice sessions. Sync with Apple Health for activity tracking.
Rigo Rigo AB
Train with workouts
Create custom or select from preloaded HIIT workouts based on the method. Perform 20 seconds of exercise followed by 10 seconds of rest for eight cycles. Track workout duration and monitor progress over time.
Gerinn LLC
Record dates, track time, set reminders
Record important dates and track time between events. Set countdowns and count-ups for special occasions. Calculate dates between events. Classify and organize events. Receive custom time reminders. View historical events from today.
Phan Nhat Đang
Track baby's growth and body changes
Track baby’s development with weekly growth images and size comparisons to fruits and animals. Update baby’s weight weekly to monitor growth. Learn about physical and hormonal changes during . Set reminders for prenatal checkups and track due .
SHPAVDA, TOO
Calculate days between dates
Calculate the number of days between two dates. Add or subtract years, months, weeks, days, workdays, hours, or minutes from a known . Find new dates based on intervals. Track differences and adjust dates precisely.
Magoosh
Track idioms and review
Study Sentence Correction idioms with covering different difficulty levels. Track progress and use a smart algorithm to focus practice on key areas. Access 160 idioms written by expert tutors.
Ossus GmbH
Explore medical eponyms with categories and search options.
The app provides access to a database of over 1800 medical eponyms. Users can search, browse, and learn eponyms through various modes and categories.
Thanh Hung
Study topics and track progress
Review and practice AP US questions aligned with official test objectives. Track progress with detailed feedback. Access study guides and key historical events. Simulate conditions with timed practice tests.
Caesar Salad Software LLC
Practice letters and drill patterns
Learn and practice with interactive drills for each letter. Track progress and repeat exercises for reinforcement. Use the included keyboard to input within any application.
Alenrom sp. z o.o.
Track events with timers
Allows users to add events and set specific dates and times. It displays remaining time in days, hours, minutes, and seconds. Users receive notifications when the event approaches. Customize icons and backgrounds to personalize the interface.
Alexander Talreja
Practice quizzes, track progress, refine skills
Practice trivia with real competition-style questions. Test reflexes in tossup rounds. Use flashcards for knowledge reinforcement. Track progress with performance stats. Export results and share scores.
Furkan Sevgili
Learn words daily with smart repeats
Learn English vocabulary with daily lessons of 10 words, 70 per week, and 300 per month. Swipe right to mark words for review. View sample sentences to understand word usage. Use a smart repeating algorithm to reinforce difficult words.
Philipp Straub
Learn , dates, and portraits
Learn U.S. through structured lessons, quizzes, and adaptive spaced repetition to reinforce memory retention. Review presidential names, terms, and portraits. Track progress and adjust study intervals based on performance.
Elias Haileselassie
Track dates and convert calendars
Track dates and holidays in the . Convert dates between and Gregorian calendars. View national holidays, Muslim holidays, Orthodox fasts, feasts, and international dates.
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