I used xender since 3 years ago and I really not find any problem with that.
The design of this app easy and understandable. I think its easy to connect with pc, android smartphone, ios smartphone, etc. The connectivity of xender to other device is easy and fast.
At the first app the xender shows your current installed app for easily share to others. You can slides the pages for others files sharing like music, video, images and more.
The speed of the xender for sharing files is something 6.5m/s. Onesomtime its decrease also but I satisfy with xender because my family and all relationships members having xender And recommened to everyone.
THANK YOU.