Exotool vs Base44
Base44 turns an idea into a working app with a built-in back end, database and sign-in: you describe, a language model builds, and the app runs on Base44's infrastructure. Exotool also builds from a description, through Claude, but a patented engine generates the app from a diagram the model edits, so what was built can be read in the diagram instead of in the code.
Side by side
| Base44 | Exotool | |
|---|---|---|
| What describes the app | The generated code and your messages. | One diagram: the screens, how they connect, and the activities behind them. |
| Who writes the code | A language model, paid in message credits; the output varies from run to run. | A patented engine, from the diagram; the same diagram gives the same app. |
| What you review | The running app, or the exported code. | The diagram. Claude's change is a change to the diagram, shown in the editor. |
| Where it runs | On Base44's infrastructure, with its integrated back end, database and authentication. | In Exotool's sandbox while you build; then on any web-capable hosting platform you choose. |
| The source code | Yours: two-way GitHub sync exports the full source on paid plans. | Yours. Exotool gives you the generated code; deploy it where you want. |
| Leaving | You keep the code; the back end, database and auth are Base44's services. | Take the code and the database with you. No lock-in. |
| AI | The model is the builder, paid in message credits. | Claude builds through the Exotool connector; no credits. |
| Phones and tablets | Web apps. | A progressive web app that runs on iOS and Android alike, installed from the browser; no app-store build. Native iOS apps: in beta. |
| Pricing (published October 2026, billed annually) | Free (25 message credits a month, up to 5 apps); Starter $16, Builder $40, Pro $80, Elite $160 a month. | Free (one app); Basic $19 a month (three apps); Pro $49 a month (unlimited). Per builder, nothing metered. |
Base44's facts and prices are as published on its own site on October 17, 2026, and may have changed since; check there before deciding. Base44 is a trademark of its owner. Exotool is not affiliated with it.
Where Base44 is the better choice
- You want authentication, a database and payments set up by the platform in one go.
- You like building by conversation and are happy to review the result in the running app.
- You want the fastest path to a hosted prototype.
Where Exotool is the better choice
- You want to read what was built in one diagram, and to audit it, rather than in generated code.
- You want the same design to give the same app every time, from an engine.
- You want to host the finished app yourself, with your own database, and pay per builder, not per message.
Try it
Exotool is free to start: one app, the editor, the preview, and the Claude connector. Sign up on the pricing section of the home page, or read how to build an app with Claude: connect Exotool, describe the app you have in mind, and Claude builds a first version you can open on your phone within minutes.
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