tPacketCapture does packet capturing without using any root permissions. TPacketCapture uses VpnService provided by Android OS. Captured data are saved as a PCAP file format in the external storage. If you want a more detailed analysis, please transfer the file to your PC and use the software handles PCAP format(such as Wireshark).
It's free of charge to get the .apk file of tPacketCapture and you can have a look at users' reviews on Droid Informer. This application installer requires 713 KB of free space to work fine on Android 4.0 and above. The antivirus report shows that the app is totally safe for usage. Taosoftware Co.,Ltd. is the creator of this application which can be found in the Tools category.
The latest update of tPacketCapture was launched on Feb 6, 2015 and the app has been set up by over 100K users. The overall score for this application is 3 on Google Play. TPacketCapture is often downloaded by Samsung and HTC users.