RealTech VR is a game development studio with roots in the PC demoscene since 1994. Since 2008 we’ve been crafting tools and apps for mobile — including GLview, the trusted GPU diagnostics tool used by developers worldwide since 2000.
From GPU diagnostics to music players and astronomy apps — each product reflects our commitment to quality and longevity.
GLviewFree
The trusted GPU diagnostics tool since 2000. Explore OpenGL, Vulkan, DirectX and Metal capabilities, run rendering benchmarks, and identify GPU drivers in detail.
SkyOrb
A beautiful real-time planetarium app for iOS, Android and macOS. Explore the night sky, track planets, and discover constellations with stunning 3D visuals.
RMP *NEW*
A modern home for tracker modules, game music, and retro sound formats. Play MOD, XM, IT, S3M, VGM and dozens more formats on iOS, macOS and Windows.
RealTech VR began in the demoscene for PC and has been building innovative mobile apps and tools since 2008. Our products — GLview, SkyOrb, and RMP — are used by developers, enthusiasts and everyday users across all major platforms.
GLview has been in continuous development since 2000 — the trusted tool for developers and enthusiasts who need deep insight into OpenGL, Vulkan, DirectX, and Metal capabilities. Check compatibility, run benchmarks, and explore your GPU’s full extension set. Free.