3 ms·I purchased TidyCal through Sumo's specials. $29 lifetime access as long as Sumo stays in business.by ckdarby 3y agoI purchased TidyCal through Sumo's specials. $29 lifetime access as long as Sumo stays in business.josephd79 3y agoI've seen these 'lifetime' deals before. Most of them release a new 'version' and that deal is no longer valid.kwanbix 3y agoI have been using it for 3 years or so without issues.