Step-by-step guides and fixes based on our own test builds. Where a guide relies on a tool’s own docs rather than our tests, it says so.
Start here
Vibe coding for beginners: build your first app with AI (we tested 4 tools). What vibe coding is, how to write your first prompt, what we built on Bolt’s free plan, and what it costs.
Beginner guides
- What can you build with vibe coding? A beginner’s map from our tests
- How to write prompts for AI app builders: what worked in our tests
- How to build an app with AI for free (Bolt’s free plan tested; Lovable and Base44 free plans from their pricing pages)
- How to add login and a database to your AI-built app
- How to fix it when the AI breaks your app
- How to publish your AI-built app (steps from each tool’s docs; we haven’t published a test app)
Build guides
- Lovable tutorial for beginners: how we built 3 apps, step by step
- Base44 tutorial for beginners: how we built 3 apps, step by step
- Can you move a Bolt or Base44 app into Lovable? We tested the new import
- Vibe coding for accountants: what we built in Lovable, Base44, Bolt and Softr
- How to build a client portal with AI (accounting-firm edition)
- Vibe coding for marketers: the landing page we built in 4 AI app builders
Free-plan limits and fixes
- Bolt.new free plan tokens: the 300K daily limit and how resets work
- Lovable “exceeded quota” error: what it means and how to fix it (from Lovable’s docs and our credit logs; we didn’t hit this error ourselves)
- Lovable custom domain not working? A step-by-step fix (follows Lovable’s docs; we haven’t tested these steps)
Prompts
Want the exact prompts? Our AI app builder prompt library has the three prompts we tested word for word, with the results we logged, plus packs for accountants and freelancers that are labeled not yet tested.
Free tools and data
Want the numbers behind the guides? Try the AI app builder cost calculator, check current plans in the AI app builder pricing tracker, or download the AI app builder usage study data. All of them are on our free AI app builder tools page.
Still choosing a tool? See the best AI app builders for beginners and non-coders.
Looking for a verdict instead? See our reviews and comparisons.