The timeframe for developing a Postmates clone app can vary significantly depending on several factors:

◦ Complexity of features: A basic app with core features (order placement, tracking, basic payment) might take 1-2 months.
◦ Advanced features (real-time tracking, multiple payment gateways, loyalty programs, advanced analytics) will extend the timeline to 2-3 months.
◦ Team size and expertise: A larger, more experienced team will generally develop the app faster.
◦ Development methodology: Agile development methodologies can accelerate the process.
◦ Third-party integrations: Integrating with payment gateways, mapping services, and other third-party services can add time.

If is there any plan to insist on your business then Appticz is the best Postmates clone script provider in the competitive market. If you're expecting all things and technology expertise to be sufficient development team.