Iometer is described as 'As the Iometer Users Guide says, Iometer is an I/O subsystem measurement and characterization tool for single and clustered systems' and is an app in the System & Hardware category. There are more than 10 alternatives to Iometer for a variety of platforms, including Windows, Mac, Linux, BSD and Self-Hosted solutions. The best alternative is CrystalDiskMark, which is both free and Open Source. Other great apps like Iometer are HD Tune (Freemium), UserBenchMark (Free), AS SSD Benchmark (Free) and fio (Free, Open Source).
UserBenchmark is a free all-in-one benchmarking application. Benchmark your CPU, GPU, SSD, HDD and USB Drives then compare results with other users and see which parts you can upgrade together with the expected performance improvements. CPU benchmarks bias toward Intel.
fio is an I/O tool meant for both for benchmark and stress/hardware verification. It has support for many different types of I/O engines, I/O priorities (on newer Linux kernels), rate limited I/O, forked or threaded jobs and much more.
Vdbench is a disk and tape I/O workload generator for verifying data integrity and measuring performance of direct attached and network connected storage on Windows, Solaris, Linux, AIX, OS/X and HP/UX.
Disk Speed Test is an easy to use tool to quickly measure and certify your disk performance for working with high quality video! Simply click the start button and Disk Speed Test will write test your disk using large blocks of data, and then display the result.
Test the performance of your flash (pen/usb), solid state, hard disk drives in just 60 seconds. DiskMark performs real world speed tests and shows: + Sequential read/write speeds which is the performance you see when copying large files.