Google Widevine
5.3#9 in digital rights managementAndroidiOSWebLinux
VisitGoogle Widevine vs Readium LCP
Readium LCP
5.4#2 in digital rights managementAndroidiOSLinuxmacOS
VisitPick Google Widevine if…
You want what its maker publishes above — check its page for the details.
Pick Readium LCP if…
You want what its maker publishes above — check its page for the details.