Apps Like Regina for 3-Manifolds for iPhone and iPad
Regina for 3-Manifolds screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


Curved Spaces
Jeff Weeks
Explore multi-connected universes
Explore 3D environments to visualize and understand how light behaves in non-Euclidean geometries. Navigate through interactive universes to study 3-manifolds. Use the for academic research or to gain insights into topology and cosmology.









ReMar V2
ReMar Review LLC
Practice questions and video lectures
Study for NCLEX® with practice questions, video lectures, and detailed rationales. Review topics covered in the exam. Track progress and understand correct answers through explanations.

Knots 3D
David Boren
Learn for fishing, climbing, boating, and scouting
Learn and practice over 220 used in fishing, climbing, boating, and scouting. Browse by category or search by name, synonym, or ABoK number. Save favorite for quick access and review.

Metric Conversion tool
Wight Hat Ltd
Convert units, save time, stay accurate
Convert units between 30,000+ conversions. Switch between 160+ currencies including cryptocurrencies with live rates. Save favorite conversions for quick access. Display results in fractions when applicable.

Programming Hub: Learn Coding
Rightsol PTE LTD
To code with interactive lessons
Languages like HTML, JavaScript, Python, and Java through interactive lessons and game-like challenges. Complete code examples, access 35+ courses, and use a fast compiler to test and run code instantly.

Learn to Sing - Perfect Pitch
Learn-to-Sing Music Education & Karaoke Inc.
Track accuracy in real-time
With real-time accuracy tracking and feedback. Practice vocal exercises from basic to advanced levels. along with preloaded songs and track progress. Adjust and refine technique anytime, anywhere.

Scientific Calculator Plus 991
Tran Duy
Calculate, graph, convert, solve
Allows users to perform complex calculations with a natural display that shows expressions as written. It supports fractions, roots, and exponents. The includes a graphing module for visualizing equations.

Guess The Person?
Richard Buckingham
Play with friends or against the computer
Play the classic guessing game with HD graphics and animated characters. Choose from 24 characters plus 24 bonus characters. Play against the computer, with friends locally or online. Compete in 2-player mode or try the bonus animal guessing mode.



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