Whatsapp: this app is so widely used .it’s unimaginable . for one year it’s subscription is absolutely free . I use it in my phone . it’s so easy to use .quite user friendly this app is . my parents can totally use it too . we can share pictures . vedio and sound recordings so easily .it’s just too convenient . it’s network usage is also very less . the best part is this app works with your mobile phone number which is totally unique and no one else can hack it . it’s totally safe . the facility of groups is too good . you can save your time by sending a group the same message at once .
Everyone should use this app!