BotTasks / Prototype
Best AI tool for prototype
One decision, not a directory. Pricing checked 2026-10-14.
Lovable
Build full-stack web apps by describing them in chat.
Free tierFree plan with monthly credits; paid plans availableCoding
Replit
Browser IDE with an AI agent that builds and deploys apps.
Free tierFree tier; Core $20/mo ($18/mo billed annually)Coding
- List the single workflow you want to test with users; leave everything else out.
- Describe that workflow in a new Lovable project, including sample data.
- Iterate on the layout and copy in chat until a stranger could click through it.
- Publish a share link and put it in front of three to five target users.
- Note where people get stuck, then fix those spots before adding features.
Why Lovable
Lovable produces a clickable, real-code prototype in minutes, which is faster than wiring up mockups and more convincing to test with.
When to choose Replit instead
Choose Replit if the prototype needs custom backend logic or APIs that are easier to build with direct code access.
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Pricing at a glance
| Tool | Pricing | Free tier |
|---|---|---|
| Lovable | Free plan with monthly credits; paid plans available | Yes |
| Replit | Free tier; Core $20/mo ($18/mo billed annually) | Yes |
| Bolt.new | Free tier (daily token limit); Pro from $25/mo | Yes |
| v0 | Free tier; Plus $30/user/mo | Yes |
| Figma | Free Starter plan; Professional from $16/mo per full seat | Yes |
Pricing changes often; check the official site before buying.
FAQ
What is the best AI tool for prototype?
Our pick is Lovable: Build full-stack web apps by describing them in chat. Pricing: Free plan with monthly credits; paid plans available.
When should I choose Replit instead?
Choose Replit if the prototype needs custom backend logic or APIs that are easier to build with direct code access.
Does Lovable have a free plan?
Yes. Lovable: Free plan with monthly credits; paid plans available.