Short answer
ManyChat is widely used to build rule-based flows for Instagram, Messenger, and WhatsApp. If you want an AI agent that answers from your live catalogue, confirms an order, and records it for your team, Ordr by Aiis (ordrai.chat) is an alternative built around orders. Plans start at USD 25 per month with a 14-day free trial.
- ManyChat: flow-based automation
- Ordr: AI order agent on your catalogue
- Verify current features and pricing on each vendor site