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On the recordRead 11 Oct 202616 facts
AmorphousDiskMark
Plans and prices
AmorphousDiskMark
Priced on request
Disk read/write benchmarking
Read 24 Sep 2026 · katsurashareware.com
Free
Free
Free app · Mac only
Read 11 Oct 2026 · katsurashareware.com
On the record
- Benchmark caution
- The maker cautions that repeated read/write measurements may shorten the lifespan of the storage device.katsurashareware.com · read 11 Oct 2026
- Compatibility
- The maker lists macOS 10.9.5 or later as the operating system requirement.katsurashareware.com · read 11 Oct 2026
- Distribution
- The maker describes the app as free and open source and links to its source repository.katsurashareware.com · read 11 Oct 2026
- Interface
- The maker says it received permission from the author of CrystalDiskMark to use an identical or similar interface.katsurashareware.com · read 11 Oct 2026
- Maker history
- Katsura Shareware says it was founded in 2004 and describes its mission as creating shareware that makes Macs more useful and fun to use.katsurashareware.com · read 11 Oct 2026
- Offline use
- The maker’s help page says an app does not need an internet connection after it is downloaded.katsurashareware.com · read 11 Oct 2026
- Operating systems
- macOSkatsurashareware.com · read 24 Sep 2026
- Privacy
- Apple’s listing says the developer reports that the app does not collect data; Apple says this information has not been verified by Apple.apps.apple.com · read 11 Oct 2026
- Purpose
- AmorphousDiskMark measures storage read/write performance in MB/s and IOPS.katsurashareware.com · read 11 Oct 2026
- Random tests
- It measures random 4 KiB block reads and writes at queue depths from 1 to 1024.katsurashareware.com · read 11 Oct 2026
- Results
- Read/write results can be displayed in MB/s or IOPS, and measurements can be copied as plain text or saved in a screenshot.katsurashareware.com · read 11 Oct 2026
- Sequential tests
- It measures sequential 1 MiB block reads and writes at queue depths from 1 to 1024.katsurashareware.com · read 11 Oct 2026
- Support
- The maker lists [email protected] as a contact address and directs users to its forum for tips and usage examples.katsurashareware.com · read 11 Oct 2026
- Test options
- Users can choose random or zero test data, measurement sizes from 16 MiB to 64 GiB, and intervals from 0 seconds to 10 minutes.katsurashareware.com · read 11 Oct 2026
- Workload areas
- Sequential read/write; random read/writekatsurashareware.com · read 24 Sep 2026
