Apps Like Rivet for iPhone and iPad
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


ZWCAD Mobile - Mobile CAD
ZWCAD Software Co.,Ltd.
View, edit, and share DWG files
View and edit DWG, DWF, DXF, and PDF files. Perform precise measurements with 8-digit accuracy. Add annotations and export drawings. Share files and access a large TTF font library. Print drawings directly.

All UPSC Papers Prelims & Main
Kumar Gautam
Access past and download exams
Access previous years' and Mains from 1990 to 2025. View General Studies 1 and 2 with answer keys. Download and read all offline.







Unit Converter All Categories
Vladislav Zhirnov
Convert units, calculate, and manage tasks
Convert units across 8 including length, weight, thermal resistance, and magnetism. Switch between metric and imperial systems. Save frequently used conversions. Export results as text or image.


3D CAD Models Engineering
CADENAS Konstruktions-, Softwareentwicklungs- und Vertriebs GmbH
Download 3D CAD and parts
Access 3D CAD from over 400 certified catalogs for mechanical , automotive, and building industries. Download parts compatible with CATIA, Inventor, SolidWorks, Creo, NX, AutoCAD, and Solid. Search and filter by category, manufacturer, and standard.





CalcEngineer
Justin Bush
Calculate CFM, size compressors, analyze pressure drops
Calculate CFM requirements for air actuators with real-time results. Size compressors and air receiver tanks based on system needs. Analyze pressure drops and optimize pneumatic systems with engineering-grade calculations.
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Apps are ranked by functional similarity, category fit, rating confidence, and popularity.