Do SMS usage fees, prorated monthly subscriptions, and driver seats function the same way on the Shopify and Web platforms?

Yes. SMS usage rates and monthly plan tiers are consistent between EasyRoutes for Shopify and EasyRoutes for Web (the Free tier is Shopify-only). Both use the same driver-seat model: you pay only for active seats and can toggle them on/off as staffing changes, with automatic proration for plan and seat adjustments.

See: SMS pricing · Pricing · Proration