: This version was typically used for older Mac OS X versions such as 10.6 through 10.9 Critical Incompatibility : iDefrag is not compatible
: If you specifically need legacy support for older macOS versions (10.6–10.9), you can find versions like 2.2.8 here. Compatibility Note idefrag 211 license key link
Coriolis Systems, the developer of , went out of business in 2019 and released their software for free. You can obtain the license keys and download links directly from the official Coriolis Systems website iDefrag License Information : This version was typically used for older
because your Mac uses APFS. Additionally, modern SSDs do not need defragmenting—this is strictly for legacy machines with mechanical HDDs. Need a modern alternative? If you're on a newer Mac, look into tools like TechTool Pro the developer of