Safai is a fast, all-in-one cleaner for Mac and Windows. It finds the caches, duplicates, old downloads and developer junk eating your disk and clears them in one click. You also get a disk map, a startup manager, live memory and CPU, and a malware check, in a 17 MB app that maps your disk faster than CleanMyMac. Free for 7 days, then $29.99 once, no subscription.