Natan Rolnik

Read, review, and annotate PDFs with ease

Send spooky audio/video messages to your friends on iMessage

Say it with stamps

Share your memories as GIFs in iMessage

Markup your friends' iMessages like an English teacher 😁

Mobile podcasting, now with recording and landing pages

The perfect companion for your BART trip

Super fast group video chat for WhatsApp

Live interactive podcasting with your Twitter followers

Lightning fast live video messaging

One-tap team conference calling

App development faster and easier

Your daily reference of the science world.