Essential app for all android users. Password protect your phone's personal data

An essential app for every android user. Password protect any personal data on your phone.
AppLock lets you protect any applications you want with a passcode: SMS, Email, Pictures, Calendar...any apps you choose

Simple and statistical precision.

To help users understand their own mobile phone network data traffic usage, in order to better control the cost of data traffic.

2G/3G network data traffic monitoring capabilities.
The network data traffic to warn function.
The network data traffic statistics data display.

Simple and statistical precision.

To help users understand their own mobile phone network data traffic usage, in order to better control the cost of data traffic.

2G/3G network data traffic monitoring capabilities.
The network data traffic to warn function.
The network data traffic statistics data display.

Paid version:
Monitoring data charts.
No ads.

“MyCalls” helps you monitor your phone usage for voice, data and SMS.

Measures time spent on each app. See which apps to uninstall because you're not using them!
The most accurate app usage tracker! Accurate to less than a second on Android 1.6 and up.

Pro add-on for AppUsage. Install AppUsage first, then unlock extra features with this add-on. Currently opts you out of data collection; more Pro features coming soon!

As also found in the official Google Android Market:

This application is a call minutes, sms, mms and data usage meter to monitor your credit usage. Never exceed your quota again!

Supporters unlock: free times/contacts/groups; widget; usage log; greater configuration of plan inclusions + more. A free 5 day trial is offered.

Please report bugs!

Please visit http://creditusage.matthewwardrop.info for more information.

Smart Data Watch is free app to monitor your network data usage and convert the usage as your currency also lets you to set quotas for daily,monthly usage