Build an AI SaaS App with AI

AI features + paid tiers + token tracking. The four pieces every AI SaaS needs, generated in a couple hours instead of a couple weeks.

100 free credits on signup. No credit card needed.

2h
Auth + AI + billing + portal wired
3
Tier templates ready out of box
100%
Code ownership
0
Vendor model lock-in

01 / What you get

AI SaaS App, generated.

Click Generate from the box above. Real code, a real database, real integrations, not a sandbox. Each piece below ships in the first prompt.

01

Auth (Supabase) + Stripe subscriptions in three tiers (Free, Pro, Team)

02

AI feature built in: live chat or content generation, with a swappable model

03

Per-user token usage tracked, displayed in-app, enforced on the server

04

Plan-gated AI calls: Free gets N/month, Pro gets more, Team unlimited

05

Token cost dashboard so you can see margin per user, per plan

02 / Variants

3 variants you can ship.

01
AI writing tool
Generate copy, posts, emails. Per-document history, version compare, export.
02
AI image generator
Built on DALL-E, Stable Diffusion, or Midjourney. Gallery, plan-tiered resolution.
03
AI summariser / search
Upload docs, ask questions, search by meaning. Answers come from your documents.

From data to design

The AI builds a real app. Then you shape every pixel.

Data

Wire up real data

Databases and CMS that power your live app, no backend to set up.

Wire up real data
Type

Tune every letter

Font, size, weight, leading and spacing, all by hand.

Tune every letter
Color

Pick any color

Pick any color
Components

Reuse your own blocks

Save any section and drop it in anywhere.

Reuse your own blocks
Images

Drop in photos

Pull in free imagery without leaving the canvas.

Drop in photos
Pages

Structure your site

Structure your site

03 / Who it's for

Who this is for.

→Solo builders shipping AI wrappers around a specific niche
→Teams adding AI features to an existing SaaS
→Founders launching a paid AI tool without rebuilding the same setup work

Works with the tools you already use.

Payments, data, email, analytics, booking, messaging and AI. Connect an account once and every project can use it.

See all connectors
Stripe
Supabase
GitHub
OpenAI
Anthropic
Google Analytics
Notion
Resend
HubSpot
WhatsApp
PostHog
Sentry

04 / Why generate it

Why generate it instead of buying it.

Building the AI part is fun. Building the logins, Stripe billing, usage tracking and payment notifications around it eats a weekend even with a starter. Generate it in an afternoon and spend the saved time on prompt engineering.

You own the model choice. Swap OpenAI → Anthropic → open-weight Llama by changing one line. Your business is the prompts and the UX, not the inference provider.

Head-to-heads: vs Lovable · vs Bolt · vs v0 · vs Replit

FAQ

Questions about AI SaaS App.

Everything you need to know before you generate it. Anything else, our team is one email away.

Every AI call is logged with the user, tokens in and out, the model and the time. Before each call the server checks the user's monthly total and blocks the call if they are over their plan. The dashboard rolls up per-user and per-plan token spend.

WebTwizz keeps every AI call in one place, so the rest of the app doesn't care which provider is responding. Switching models is a one-line change. Testing two models against each other is supported with a per-user switch.

Plan limits are stored as simple settings: Free 50,000, Pro 500,000, Team unlimited. The server checks the user's plan and usage this period, and returns a clear message if they are over. The app hides the button once they hit the limit.

Build a margin dashboard: revenue per user (from Stripe) minus token cost (from usage). Output: this user costs $X in tokens, pays $Y, nets $Z. Spot-check Pro users who use heavily; they're where margin breaks.

Your idea, live in minutes.

Describe what you want. WebTwizz builds the real thing, then you click to change anything.

All templates

100 free credits on signup. No credit card needed.