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IsoBuster vs TestDisk & PhotoRec: catalog facts
IsoBuster	TestDisk & PhotoRec
Paid Can be downloaded and tried first; several paid licence models are offered.	Free Free and open source under the GNU General Public Licence.
Windows	Windows, macOS, Linux, Command line
Strong support for CD, DVD and Blu-ray recovery Signature-based scanning finds files without folder records	Recovers deleted partitions and fixes partition tables, which restores everything at once Rebuilds FAT and NTFS boot sectors and repairs the MFT from its mirror
Windows only Full recovery features require a paid licence	A text menu interface that is genuinely intimidating under pressure Easy to make things worse if you do not understand what you are confirming
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.