App builder tools: pricing compared
1 app builder tools for AI agents, sorted by starting price per month. Prices come from each official pricing page; open a tool for its full plan list and alternatives. Model token costs are billed separately: estimate them with the AI agent cost calculator.
| Tool | From / mo | Pricing |
|---|---|---|
| Replit | $20 | Core $20/mo ($18 annual); Pro $100/mo ($90 annual) |
Other categories: Framework · Observability · Evals · Automation · Agent builder · Document parsing · Vector DB · Sandboxes · Compute · Browser infra · Web data · Search API · Coding agent