Grocery shopping app: delivery slots, substitutions, shopping lists and fast reorders.
Without slots and substitutions, costs rise, NPS drops and claims increase.
Delivery planning, substitutions and fast reorders increase satisfaction and LTV.
Node.js
PostgreSQL
React Native
Expo
Payments
Logistics
DigitalOcean
KPIs: NPS, cost/order, reorder rate.
Lists and cart UX.
Slot engine, substitutions, statuses.
Data-driven iterations.
Slots optimize logistics.
Substitutions reduce frustration.
Reorder improves retention.
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