Free AI tools / app building

Free AI tools for app building

5 of the 6 app building tools we rank have a free plan. They're ranked by our fit score, and each one shows what the free plan is, what paying costs, and a link to the tool's own pricing page so you can check the limits yourself.

Best free pick: Lovable

free plan

Turns a prompt into a working web app quickly.

Free plan confirmed on its pricing page (checked 2026-10-16).

First step: Sign up at lovable.dev

Try Lovable free →

All free options, ranked

  1. #1Lovable

    fit 90/100

    Turns a prompt into a working web app quickly.

    Free plan confirmed on its pricing page (checked 2026-10-16). ✓

    Paid plans from £22/mo (Pro). Pricing page

    Visit Lovable →
  2. #2Bolt.new

    fit 86/100

    Browser-based full-stack app builder from prompts.

    Free plan confirmed on its pricing page (checked 2026-10-16). ✓

    Paid plans from $25/mo (Pro, monthly). Pricing page

    Visit Bolt.new →
  3. #3Cursor

    fit 82/100

    AI-first code editor for building whole features by prompt.

    Free plan confirmed on its pricing page (checked 2026-10-18). ✓

    Limited agent and chat requests.

    Paid plans from $8/mo (Plus, Grok models only); $30/mo (Premium). Pricing page

    Visit Cursor →
  4. #4v0

    fit 78/100

    Generates React/Next.js UI from a description.

    Free plan confirmed on its pricing page (checked 2026-10-16). ✓

    Paid plans from $30/user/mo (Plus). Pricing page

    Visit v0 →
  5. #5Windsurf

    fit 74/100

    Agentic AI code editor; its pricing now sits on Devin's site.

    Free plan confirmed on its pricing page (checked 2026-10-16). ✓

    Paid plans from $20/mo (Pro). Pricing page

    Visit Windsurf →

Worth knowing: app building tools without a confirmed free plan

Want the overall best, paid or free? See the full app building ranking →

Questions people ask

What is the best free AI tool for app building?

In our rankings, Lovable is the strongest app building tool with a free plan (fit score 90/100). Turns a prompt into a working web app quickly.

Is there a completely free AI tool for app building?

5 of the 6 app building tools we rank have a free plan: Lovable, Bolt.new, Cursor, v0, Windsurf. Free plans come with usage limits, so check each tool's pricing page for the current caps.

When should I pay for a app building tool?

Lovable is also our overall #1 for app building, so start free and upgrade only when you hit the free plan's limits. Paid plans from £22/mo (Pro).

More free AI tools

Fit scores are Toolfitr's editorial judgement, not user ratings. Free plans and prices change, so we show the date we last checked. Make one of these tools? Get an in-depth review or tell us if anything is out of date.

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