https://itunes.apple.com/us/app/catchup-keep-in-touch/id1358023550?l=es&mt=8 https://itunes.apple.com/us/app/catchup-keep-in-touch/id1358... Here's a similar a

https://itunes.apple.com/us/app/catchup-keep-in-touch/id1358023550?l=es&mt=8 https://itunes.apple.com/us/app/catchup-keep-in-touch/id1358... Here's a similar app that is less of a "platform". It just gives you reminders every day/week/month to keep in touch with someone. iOS only right now.