Iometer
Iometer: A configurable benchmark for distributed storage and network I/O testing. Ranked #53 of 72 in PC Benchmark Software by our editors (4.4/10); pricing: Free plan; best for distributed storage and network I/O tests.
At a glance
- Editor score4.4 / 10
- PricingFree plan
- Best forDistributed storage and network I/O tests
- Free planYes
- Paid fromFree
- Workload areasstorage I/O, network I/O
- Facts checked19 Sep 2026
Where it wins
- Configurable storage, filesystem, and network I/O workloads
- Distributed client/server testing through Dynamo workers
- CSV output, CLI execution, and system performance statistics
Where it doesn't
- More specialized than general-purpose PC benchmark suites
- Graphical configuration is centered on Windows
- Published installation notes are dated
Our verdict on Iometer
Iometer is an open-source I/O performance analysis tool for administrators, hardware testers, and developers evaluating disks, filesystems, networked storage, and related I/O paths. It uses a graphical Windows interface to coordinate Dynamo worker processes, which perform the actual I/O. Workloads can be defined through configurable access specifications, targets, workers, and test runs, with support for storage I/O and network I/O scenarios.
Its strongest differentiator is distributed testing. Dynamo supports client/server test arrangements, while configurable disk and filesystem targets allow teams to define workload profiles for specific paths. Results can be displayed through stress-test views and a tachometer view, exported as CSV, and accompanied by CPU, interrupt, and network performance statistics. Command-line options for Dynamo execution add an automation route alongside the graphical workflow. The listed platforms include Windows, Linux, and macOS.
Iometer is a practical choice when the benchmark needs custom workload definitions, distributed workers, or detailed storage and network I/O measurements without a software license fee. It is less suitable for readers seeking a broad, general-purpose PC benchmark with a simple consumer-facing workflow. The project’s published documentation and installation notes are old, so teams should account for documentation age during setup and platform planning. Choose Iometer for focused infrastructure and hardware evaluation; choose a broader benchmark suite for general PC comparisons.
Your product? Our editors can test Iometer in depth and publish a review, labelled as paid · from $149/mo →
Iometer pricing
Iometer fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Workload areas | storage I/O, network I/O |
| Operating systems | Windows, Linux, Solaris, Mac OS X, NetWare |
| Comparison database | Not verified |
| Result export formats | CSV |
| Custom test profiles | Yes |
| CLI or automation | Yes |
| Deployment | Desktop |
| Platforms | Windows, Linux, macOS |
| Pricing | Free plan |
| Website | iometer.org |
| Facts checked | 19 Sep 2026 |
Alternatives to Iometer
- GeekbenchA broad benchmark suite for comparing CPU and GPU performance across five platforms.9.3
- PassMark PerformanceTestA broad benchmark suite with free standard tests and a $39 one-time advanced tier.9.1
- 3DMarkA broad benchmark suite for comparing GPU, CPU, storage, and gaming performance.9.1
See all Iometer alternatives →
Also Ranked In
Iometer is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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