Piriform CCleaner: Memory Cleaner, Phone Booster, Optimizer 6.1.0 CCleaner: Cache Cleaner, Telefoon Booster, Optimizer 6.1.0 CCleaner: Memory Cleaner, Phone Booster, Optimizer 4.20.0 CCleaner: Memory Cleaner, Phone Booster, Optimizer 4.20.1 CCleaner: Memory Cleaner, Phone Booster, Optimizer 4.20.4 CCleaner: Cache Cleaner, Telefoon Booster, Optimizer 4.21.0 CCleaner: Memory Cleaner, Phone Booster, Optimizer Varieert per apparaat CCleaner: Memory Cleaner, Phone Booster, Optimizer 4.20.3 CCleaner: Cache Cleaner, Telefoon Booster, Optimizer 4.22.0