Updated to work with the iPhone 5s and 64-bit ARM CPU. Requires iOS 7. (Still works with 32-bit CPUs like iPhone 4, 4S, 5).
Frees up RAM memory on start. Shows the amount of available or free Random Access Memory (RAM) on your device.
Free RAM (TM) displays the amount of runtime free memory (RAM) currently available on your iPhone or iPod Touch. This is different from the storage capacity used for storing music, videos or apps.
The iPhone and iPod touch comes with 128-1024MB of runtime memory (RAM). The iPhone and iPod touch does not use the storage memory as virtual memory, so the memory available for applications is limited to the 128-1024MB of runtime memory (RAM).