Apps Like Global Doomsday Timer Pro for iPhone and iPad
Ranked alternatives
Showing 341–360 of 1,000 ranked alternatives.
Boiling
Piet Jonas
Calculate altitude and temperature
Calculate temperature and air pressure based on altitude. Read current altitude via GPS or ASTER data. Access device barometer for pressure readings. Search for any location's altitude using GeoNames. Manually adjust altitude settings.
Mars Today
James Buckhouse
View photos, explore rover missions, share favorite
View and explore images from NASA’s Curiosity, Spirit, and Opportunity rovers. Browse current or past photos by sol date. Bookmark favorite images and share them directly. No login required.
Pocket Planets
Ad Lunam Kereskedelmi es Szolgaltato Korlatolt Felelossegu Tarsasag
Learn about space missions and astronauts
Learn about astronauts, their missions, and time in space. Track current space occupants and receive notifications for new space travelers. Access detailed planetary data including physical and orbital characteristics.
James Webb Tracker
KAKHA GIORGASHVILI
Track celestial objects and view telescope data
Track the Space Telescope’s mission with real-time updates and news. View high-resolution images and scientific data. Explore telescope specifications and mission milestones. Receive alerts on major discoveries and events.
ATSAPro
Type1Aviation LLC
Practice ATSA test questions
Practice spatial reasoning, memory, and decision-making skills through interactive exercises. Simulate real-world air traffic scenarios. Track progress and review performance metrics. Prepare for the ATSA Exam by focusing on key test components.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.