What's the difference between PieSync and Zapier?
The biggest difference between Zapier and PieSync is that we provide a continuous two-way sync of your contacts, whereas Zapier only supports one-time one-way pushes without handling historical data.
PieSync's two-way syncing on the one hand, and Zapier's trigger-action workflow handling are fundamentally different. The following 4 minute presentation compares the two methodologies:
Why prefer PieSync over other (native/free) integrations?