How fast is your iPhone or iPad? How healthy is it? DevCheck puts benchmarks, detailed hardware information, battery monitoring and hardware diagnostics in one powerful, easy-to-use app. BENCHMARKS: run full CPU, memory, storage and GPU benchmarks and compare your scores with hundreds of device models in the DevCheck rankings. DASHBOARD: live CPU load across cores, battery, thermal state, memory pressure and other stats. With PRO, track battery, network, storage and thermal history.