Open IFC Viewer
openifcviewer.comFast. First to support new IFC versions and experimental IFC features from bSI. First. Optimized for large files. Powered by Visualize from ODA. Free. Provided free of charge as a service to the AEC industry
IFC 2021 | Revit | Autodesk App Store
apps.autodesk.com › RVT › enDec 17, 2021 · and the IFC created from NAvis has like 3kb size that also not seems good. please help if i am missing something dint find useful. export IFC from NAVIS 2021 then tried to open and link in revit 2021 but its blank, nothing comes in file. and the IFC created from NAvis has like 3kb size that also not seems good. 
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Trimble-Connect on the App Store
apps.apple.com › us › appOne key differentiating feature within Trimble Connect Mobile App is its high-performance 3D model viewer. Large complex detailed construction models created by a variety of different Building Information Modeling (BIM) applications in multiple formats (IFC, SKP, RVT, DWG, etc.) can be quickly loaded, overlaid, and easily navigated through in a ...