Comparison

Feature	Free	Quark Pro Lite	Quark Pro	Quark Pro Ultra
Log older messages	Up to 12 hours old	Up to 12 hours old	Up to 8 weeks old*	Up to 8 weeks old
Change log format	No	Yes	Yes	Yes
Customize colors	No	Yes	Yes	Yes
Per log type channels	No	Yes	Yes	Yes
Log bot actions	No	Yes	Yes	Yes
Quark Pro bot	No	No	Yes	Yes
Custom bot	No	No	No	Yes

*Quark Pro initially allows messages up to 2 weeks old to be logged, however this increases to 8 weeks if the subscription is active for 6 months.