Showing 21–40 of 1,000 ranked alternatives.
Rob Sammons
Track , holidays, and dates
View countdowns for , holidays, and dates. Add, modify, or delete countdowns. Track past countdowns with days elapsed. Choose custom photos from the library or Flickr. Add countdowns to Siri for quick access.
Federation des Astronomes Amateurs du Quebec
Track paths and viewing times
Plan and track solar eclipses with personalized visibility data and viewing times based on geographic location. Simulate events to understand their trajectory and timing.
The Good App Company, Limited Liability Company
Track events
Track upcoming events with customizable on the home screen. Edit events with live preview, set reminders, and adjust widget design. Share across devices and update event details in real time.
Shenzhen Qizhuan Technology Co., Ltd
Explore planets and track celestial movements
Explore the System with a 3D simulation showing accurate orbital and rotational motion. View surface details and moons up close. Land on planetary surfaces for detailed exploration.
Piccup, Inc.
Join , chat, and organize events
Organize events with detailed scheduling and push notifications. Manage group chats and discussions. Facilitate payments and handle membership management. Customize branded group spaces for engagement. Track event attendance and member participation.
John Eletto
Predict sunrises and sunsets accurately
Get accurate predictions for sunrise and times. Rate the quality of celestial events to plan photography or outdoor activities. Receive notifications for optimal viewing conditions.
Rogue Signal Inc. (Apps)
Track since events and visualize timelines
Track elapsed since events and milestones. View habit frequencies and set reminders. Visualize intervals with charts and graphs. Export data for analysis and planning.
VNIL AB
Track auroras and predict sightings
View real-time forecasts and alerts for optimal viewing times. Track activity by location. Save favorite spots and receive notifications when conditions are ideal. Share sightings and photos with other users.
Dengfeng Zhou
Create timelines and track events
Track events and manage timelines with customizable categories like "Baby Growth" or "Product Roadmap." Create, edit, and delete timelines and events. Sort timelines and share them. Enable iCloud automatic backup for data security.
Enpass Technologies Private Limited
Store passwords and passkeys securely
Store and manage passwords and passkeys securely. Encrypt and sync vaults across devices using iCloud, Google Drive, OneDrive, Box, Dropbox, NextCloud, WebDAV, or offline storage. Support passkey storage and syncing for -less access.
Joseph Sferrazza
Track events with countdowns
Track important dates with countdowns in seconds, minutes, hours, , weeks, months, years, or sleeps. Add unlimited events and customize with photos, icons, and time formats. Import events from calendars and set custom alerts. Sync across devices.
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