Two code & development tools, one decision. Here is the honest split.
| Amazon Q Developer | Replit | |
|---|---|---|
| Pricing | Free plan | Free plan |
| Best at | Teams building on AWS who want service-aware code help and infrastructure answers. | Prototypes and small tools you want running in minutes, with zero local setup. |
| In short | AWS's coding assistant in the IDE and CLI - completions, chat, and deep knowledge of AWS services. | A browser-based coding environment with an AI agent that can build and deploy small apps from a description. |
| On Atlas | 3 starter prompts | 3 starter prompts |
Pick Amazon Q Developer when the job is Teams building on AWS who want service-aware code help and infrastructure answers.. Pick Replit when the job is Prototypes and small tools you want running in minutes, with zero local setup.. Still torn? Run one real task through both free tiers. An hour of testing beats a week of reviews.
Here is my code: [paste code]. Find the three most likely bugs or edge cases, explain each in one sentence, then show the fixed code with tests.