Best for
Best for technically curious builders who want to build, see and ship the code in one place.
- Freelancers
- Small and mid-sized
- Enterprise
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AI App Builders Comparison
At a glance
Best for
Best for technically curious builders who want to build, see and ship the code in one place.
Best for
Best for engineering and operations teams building internal tools on top of existing databases and APIs.
Cataleo does not name a winner. Both statements come from the vendors themselves.
| Criterion | Replit | Retool |
|---|---|---|
| Starting price | Free tier; paid from ~$20 / month plus usage Published apps on the free tier are time-limited. | Free; paid plans from $10 / builder / month Annual billing: Team $10 per builder and $5 per internal user per month, Business $50 per builder and $15 per internal user. On monthly billing that becomes $12 / $7 and $65 / $18. Enterprise on request. |
| Free trial | Free tier, published apps time-limited | Free plan for up to 5 users |
| Commercial use | Yes | Not stated |
| Output | Full-stack apps: code, database, hosting and deploy in one place | Internal web and mobile apps, workflows and AI agents |
| API | Not stated | Yes, the Retool API manages the organisation, its users and Spaces |
| Hosting | Not stated | Retool cloud or self-hosted |
| What it generates | Full-stack apps through Agent 3, which generates autonomously and tests in a real browser | Internal tools: web and mobile apps, scheduled and event-driven workflows, and AI agents; an AI app builder starts an app from a prompt next to the classic drag-and-drop editor |
| Stack and frameworks | 50+ languages | Drag-and-drop component library with JavaScript in queries, bindings and transformers; custom components are written in React and TypeScript and published to the organisation's component library |
| Auth and database | Built-in database | Connects to any database, API or LLM provider, with a hosted Retool Database included; permissions and audit logging from the Business tier, SSO and SCIM on Enterprise |
| Hosting and deploy | Yes, built-in hosting and deploy | Retool cloud or self-hosted; the free, Team and Business tiers can both be self-hosted, Enterprise adds unlimited end users and white-labelling |
| Payments | Yes, Agent wires up Stripe in one step, on paid plans | No built-in billing or checkout; a payment provider is connected as an API resource like any other |
| Access to the code | Full browser IDE with terminal and version control, every line visible | Apps live in Retool rather than as an exportable codebase; JavaScript and custom React components extend them, and Git-backed source control is an Enterprise feature |
| Deployment | Cloud (SaaS), Browser-based | more entries Cloud (SaaS), Browser-based, On-premise |
| Support | Not stated | Community forum |
| Onboarding | Not stated | Documentation and knowledge base |
| Company size | more entries Freelancers, Small and mid-sized, Enterprise | Small and mid-sized, Enterprise |
| Integrations | Not stated | OpenAI, Anthropic, Google, AWS Bedrock, Azure OpenAI |
Adds a column to the table, from the tools in this category.
Row where the values differ The small markers point at the lower number, the longer list or the stated feature. They describe the data, they are not a verdict.
The short version
Every line is one datapoint from the table above, picked automatically. Nothing here is written text.
The trade-offs
Replit
Strengths
Limitations
Retool
Strengths
Limitations
Plans
Replit
Retool
What users say
Replit
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
Retool
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
Where this comes from
Replit https://replit.com · no check date recorded yet
Retool https://retool.com · no check date recorded yet
This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.