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 421–440 of 1,000 ranked alternatives.


Blackboard Connect for iPhone
Active Internet Technologies, LLC
Manage courses, access content, track progress
Manage notifications and access administrative tools for . View and respond to messages, track user activity, and monitor system performance. Send mass notifications and manage account settings directly from the .




PunchAlert
Punch Technologies, Inc.
Alert neighbors and connect to emergency responders
Alert users to emergencies and suspicious activity. Share location with contacts. Notify local authorities and organizations. Provide real-time updates and connect to emergency services. Send alerts to neighbors and community groups.

ComprCheck
Mingxuan Fan
Design compressors, track performance, edit schematics, maintain
Allows users to calculate compressor processes, including overall and stage compression ratios. It includes 19 calculators and data charts for design, operation, fabrication, and maintenance of diaphragm compressors.



DrPhos' Chemistry Pro
Monte L Helm
Solve problems and track progress
Solve problems with a scientific calculator that handles standard and scientific notation with significant figure control. Calculate molar masses, convert between chemical names and formulas, and balance equations.



Titan HST
Titan Health & Security Technologies, Inc.
Emergency alerts for organizations and businesses.
The app allows users to communicate emergency information, including GPS coordinates, text, audio, and photos. Administrators can initiate lockdowns and survey user emergency status.

Units Converters.
V PUGAZHENTHI
Convert across 60 categories
Convert across 60 categories with 1327 and 53742 conversions. Switch between acceleration, angle, area, and other measurements. Convert cooking , electrical values, and data transfer speeds. Adjust for charge, density, and current.





Quest Rush!
弘赓 俞
Explore 3D worlds and attack enemies
Explore 3D action gameplay with customizable routes and dynamic combat mechanics. Navigate interactive environments, attack enemies with drag-and-release controls. Complete challenging maps and progress through evolving tower levels.

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