Apps Like PGU for iPhone and iPad
PGU screenshots
Ranked alternatives
Showing 61–80 of 1,000 ranked alternatives.





Tap OChem
Tap OChem, LLC
Visualize reactions, study, learn
Organic chemistry provides visual reaction animations, detailed molecule diagrams, and topic-based lessons. Users can explore reaction mechanisms, review video explanations, and access structured study materials for exams.


Puzzle Sidekick
Brian Enigma
Solve puzzles, track clues, decode codes
Access codebreaking tools like decoder rings and countdown timers. View reference material on word frequency, morse code, and semaphore. Includes links to hunts, ARGs, and transmedia storytelling resources. Supports iOS 7.

ACT Math : Algebra Lite
Webrich Software Limited
Practice ACT with instant feedback and mock
Practice ACT with 490 questions and 49 revision notes. Take mock tests with mixed questions. Receive instant feedback on answers. Review each question with detailed explanations. Track progress with a progress meter.






imo video calls and chat HD
Baby Penguin, LLC
With friends and family anytime, anywhere
Message and with contacts across devices. Make encrypted voice and . Send messages, photos, and videos. Participate in group chats with up to six people. Use free stickers. Avoid SMS and call charges.



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