Apps Like TopOpt 3D for iPhone and iPad
TopOpt 3D screenshots
Ranked alternatives
Showing 261–280 of 1,000 ranked alternatives.


Birds of South America
I.M.D. Publicacion C.A.
South American birds described and illustrated.
The app describes over 3,100 bird species found in South America, featuring more than 5,000 images for offline use. It includes bird names in multiple languages and an ornithological dictionary with anatomical explanations.


NCP-GENL Generative AI LLMs
Davy Raitt
Study and track progress on NVIDIA -GENL
Prepare for the NVIDIA -GENL exam with 500+ practice questions and 5-minute study sessions. Track progress, remove mastered questions, and use text-to-speech support. Dark mode is available.




Roman Calculator
John Millhouse
Calculate using numerals and fractions
Performs arithmetic operations using numerals. Users can convert between and Arabic numbers. The supports landscape mode for additional functions and displays results in numerals. Backgrounds and button styles are customizable.

Hands-On Math Parquetry Blocks
Ventura Educational Systems
Explore math concepts with virtual blocks.
The app provides a virtual playground with colored blocks for students to explore mathematical concepts. Students can discover patterns, sequences, geometry, fractions, angles, and shapes through interactive activities.







Math Tablet
Christian Urff
Explore number sense and arithmetic concepts.
The app supports number sense and arithmetic concepts through virtual manipulation. Users can create, move, and delete tokens to explore addition and subtraction relationships.

Learn Backend Web Development
Shahbaz Khan
Skills with code tutorials
With tutorials on PHP, Node.js, Python, Ruby on Rails, ASP.NET, Django, and Flask. Follow step-by-step guides to build websites and web apps. Access code examples and practice exercises to reinforce concepts.
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Apps are ranked by functional similarity, category fit, rating confidence, and popularity.