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 41–60 of 1,000 ranked alternatives.
Oval Software Oy
Calculate , track dates, convert formats
Helps manage , dates, and schedules. Add or subtract , minutes, and seconds. Apply hourly rates for cost calculations. Track and calculate pay. Convert formats and plan shifts.
Yuno Solutions Sdn Bhd
Calculate dates, add durations, track workdays
Calculate differences and add/subtract durations with optional time settings. Determine working days between dates, excluding specified days and holidays. Track working and non-working hours between two dates.
Seung-Un Ham
Track expiration dates and set alerts
Track expiration dates with list and calendar views. Use AI text extraction via camera to scan items. Sync data across devices with iCloud and share lists. Receive notifications and access widgets for quick checks.
Tental Software
Convert dates between calendar systems
Convert dates between Gregorian, Islamic, Coptic, Um Al Qura, Hebrew, and Solar Hijri . Select a and system, then view converted dates. Switch between calendar systems and compare dates side by side.
Muhammed Furkan Kilic
Check prayer times and locations
Track prayer times for daily prayers, Ramadan fast start and end times, and Islamic holidays. View times for Turkey and over 148 countries, including 2200+ cities. Access schedules without internet for 30 days.
Scott DeSapio
Convert units across 16 categories
Convert units across 16 categories with instant results. Switch between metric, imperial, and other systems. Calculate conversions for length, weight, temperature, and more. Store frequently used values for quick access.
Lotus Chess UG (haftungsbeschrankt)
Practice openings, analyze moves, improve play
Learn openings through personalized training modules that analyze your gameplay and highlight weaknesses. Practice variations, review mistakes, and test knowledge with interactive quizzes. Track progress over time and receive feedback on strategies.
Aaron Hartel
Learn to name compounds
Learn to name compounds with interactive lessons on alkanes, cycloalkanes, alcohols, aromatics, and ketones. Complete quizzes after each lesson to test comprehension and reinforce learning.
Brownstone Apps, LLC
Track events and manage your
Track events throughout your day to monitor bathroom breaks, feeding times, medication schedules, and other custom activities. Set reminders and smart reminders to maintain consistency in training routines.
Fahad Alrashidi
Dates between calendars
Dates between Islamic, Gregorian, Hebrew, Buddhist, Persian, Japanese, and Chinese calendars. Calculate age based on birthdate. View history of past conversions. Share results as images.
thoor software AB
Listen to audio and identify notes
Train musical ear with interval, chord, and scale exercises. Practice identifying notes and progress through 32 structured lessons. Track performance and repeat exercises for improvement.
Picmonic, Inc
Images and take quizzes
Access imagery with character symbols for learning. Take multiple choice quizzes and daily spaced repetition quizzes. Subscribe for unlimited access to videos and quizzes. with visual mnemonics and spaced repetition techniques.
Tu Hoang
View events, switch views, check dates
View event timelines and details for past or future dates. Check events by week, month, or year. See the day of a date. Quickly access event information. Sync with Apple Watch .
BGPworks
Track expiration dates with barcode scans
Track expiration dates by scanning product barcodes to add items to your inventory. Set reminders for expiration dates and manage food storage or retail stock. View expiration timelines and reduce waste by keeping items fresh.
Educup, Inc.
Learn English with interactive courses
Learn English through structured courses and interactive exercises. Practice speaking, listening, and writing. Track progress with quizzes and feedback. Access lessons anytime and receive personalized study recommendations.
Bokeria
Convert time zones and dates globally
Convert time zones and dates between any regions. Display current time for any location. Search for time in specific areas. Accurately compare times across different time zones. Adjust and view dates and times in multiple regions simultaneously.
Flygo-Aviation Ltd
Practice instrument flying with interactive modules
Learn instrument flying with interactive modules for ADF/RMI, VOR/ILS, HSI, and IFR procedures. Practice holding patterns and entries through animations and exercises. Use a built-in IFR simulator for training.
Mohamed Ezzat
Calculate age and differences quickly
Calculate age and differences in years, months, and days. Determine total months, weeks, days, hours, and minutes between two dates. Share calculation results directly.
Pignology, LLC
Learn morse code at 20 WPM
Learn morse code using the Method, which trains reflexes at 20 WPM. Practice with customizable speed settings. Track progress with repetition and accuracy metrics. Receive feedback on correct and incorrect responses. Export progress reports.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.