Apps Like DR.Orbit for iPhone and iPad
Demonstrates gravitational orbits and physics.
The app demonstrates gravitational forces and orbital mechanics. Users can push a mass to create a stable orbit around a central gravitational well, with options for drag and device tilt control.
DR.Orbit screenshots
Ranked alternatives
Showing 681–700 of 1,000 ranked alternatives.


WebMO Premium
WebMO, LLC
Build and view 3D molecules
Build and view molecules in 3D. Visualize orbitals and symmetry elements. Look up chemical information and properties from external databases. Access computational chemistry programs. Perform molecular modeling and analysis.

Space Explorer:Astronomy Guide
SOAD HAMADEH
Explore planets and stars
Explore real-time sky maps and detailed views of planets, constellations, and celestial objects. Learn facts about astronomical phenomena. Track missions and view mission details. Set location and time for accurate sky navigation.


Cirrus SR22T
Gyronimo, LLC
Sign load manifests and track weights
Calculate performance data using actual values from the Pilot's Operating Handbook. Interpolate data for accurate flight planning. nd sign load manifests on iPad. Email manifests directly. Track mass and balance calculations.



Playground Physics
New York Hall of Science
Record motion, tap points, explore
Record videos of yourself or others and tap points to trace motion paths. Analyze forces, energy, and motion in real-time. Educators can create interactive lessons using the ’s tools and share resources with a community of teachers.






Clinical Skills - History, Symptoms & Physical Examination
Mohammed Raheel Sayeed
Structured approach to medical history taking.
The app provides a structured approach to medical history taking and physical examinations. It covers general history, symptomatology, and over 90 physical examinations across various organ systems.

PrayersPlus
Bil Kimes
Track feast days and liturgical calendar
Access a 12-month liturgical calendar with feast day alerts and detailed descriptions. View prayers in English and Latin. Explore sacred art and receive daily devotional content. Set reminders for feast days and prayers.

C172S Pad
Gyronimo, LLC
Cessna 172 S flight computer.
The app calculates and interpolates performance data for the Cessna 172 S using its Pilot's Operating Handbook. It displays results in high-resolution graphics and allows users to experiment with different scenarios to find optimal flight parameters.

Catholic Prayers & Devotions
Bil Kimes
Digital Treasury of Timeless Catholic Devotion
The app offers a treasury of over 100 Catholic prayers and devotions, presented with classic sacred art and elegant typography. It includes liturgical living features and a treasury of indulgences, designed for focused devotion.



How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.