Cinebench is not available for iPhone but there are a few alternatives with similar functionality. The best iPhone alternative is AIDA64. It's not free, so if you're looking for a free alternative, you could try GFX Bench. If that doesn't suit you, our users have ranked more than 10 alternatives to Cinebench and four of them are available for iPhone so hopefully you can find a suitable replacement. Other interesting iPhone alternatives to Cinebench are Geekbench (Paid) and 3DMark (Paid).
AIDA64 is a system information, diagnostics, and auditing application developed by FinalWire Ltd., that runs on Windows, Android, iOS, Windows Phone and Tizen operating systems. It displays detailed information on the components of a computer.
3DMark includes everything you need to benchmark your hardware in one app. Whether you're gaming on a smartphone, tablet, notebook, laptop, desktop, or a high-performance gaming PC, 3DMark includes a benchmark designed specifically for your type of device.
Bringing the popular GFXBench benchmarking suite to desktop OpenGL and OpenGL ES 3.1 plus Android Extension Pack, GFXBench 4.0 enables measuring mobile and desktop performance with advanced graphics effects and increased workloads.