Piriform

Piriform makes four apps in this catalog, covering cleaning, PC optimization and data recovery on Android and Windows. CCleaner is the most widely installed of the group, with over 100 million installs and a 4.5 rating. Its entry was last updated on September 2, 2026.

CCleaner 7 and Defraggler both belong to PC optimization. CCleaner 7 is freeware, updated September 16, 2026. Defraggler is proprietary software, last updated August 3, 2023. Recuva handles data recovery as a freeware program, updated June 22, 2026.