Guide · Updated October 2026 · Last reviewed
Most "AI tool lists" leave you with twenty tabs open. This page does the opposite: four complete stacks, one per kind of solo builder, with one pick per layer. Every stack starts at $0 and tells you the first thing worth paying for. If you want the generic layer-by-layer version, see the AI Builder Starter Stack.
Prices are in US dollars per month, before tax, from each vendor's own page on October 22, 2026. The picks are our take, and each layer links to the Hotfix guide that compares the alternatives.
| Stack | Build with · data and hosting · get paid and reach people | $0 start? |
|---|---|---|
| No-code founder | Lovable · Lovable Cloud · Stripe, Kit | Yes |
| TypeScript web SaaS | Claude Code or Copilot, Next.js, AI SDK · Supabase, Vercel · Stripe, Kit | Yes (Copilot Free; Vercel Hobby is non-commercial) |
| Python AI app | Codex or Claude Code, Pydantic AI, FastAPI · OpenRouter or Ollama, Render · Kit | Yes (Codex in ChatGPT Free, Ollama locally) |
| Indie game dev | Unity Personal + your coding agent, or Godot · Meshy, ElevenLabs · itch.io | Yes |
Tools change every week. Hotfix Daily tells you what changed, why it matters and links the source. Free, weekdays, about 3 minutes.
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Our take: stay in one browser app until real users ask for something it can't do. First thing to pay for: more Lovable credits, once you run out of the daily grant every day. When to graduate: when you need code review, tests or a feature the builder fights you on, sync to GitHub and move to Stack 2. The steps are in our vibe coding workflow.
Lovable says hosting most small or new apps is covered by the grant that comes with your plan; apps with significant traffic or size draw on your credit balance. You own the code and apps you build.
Our take: Alternatives (Bolt, v0, Replit and more) are in our vibe coding tools guide.
Stripe lists no setup, monthly or closure fees on standard pricing. International cards and other payment methods are priced differently.
The Free plan includes unlimited landing pages, forms and broadcasts. Creator adds visual automations and email sequences.
Our take: Start on Free; pay when you want an automated welcome sequence.
Our take: the default for a solo dev who can read code. Every layer has a usable free tier, and Supabase and Stripe have official MCP servers, so your agent can work on the backend too. First thing to pay for: Vercel Pro the day you take money, because Hobby is non-commercial.
Claude Code comes with Claude Pro and Max, not the Free plan. Copilot's Free plan supports the CLI and agent mode with limited usage.
Our take: Compare all of them in which AI coding agent and AI coding agents.
Next.js for the app, and Vercel's AI SDK for chat and tool-calling features.
Our take: Mastra is the pick if you want workflows and memory built in; see AI agent frameworks.
Free projects pause after 1 week of inactivity. Pro includes $10/month in compute credits, which covers one Micro project, and has spend caps on by default.
Vercel says Hobby is for personal, non-commercial use and Pro is for professionals and businesses. New teams get spend management with a default on-demand budget.
Our take: Charging customers? Plan on Pro.
Same picks as Stack 1. See Kit's pricing for paid plans.
Supabase MCP has a read-only option. Stripe MCP lets you grant access to live mode or a sandbox separately. Playwright MCP lets the agent click through your app in a browser.
Our take: Use Supabase read-only on production and connect Stripe to a sandbox first. More in MCP servers worth knowing.
Our take: for when the AI is the product (a research bot, an internal agent, an API). Keep the framework small and the model swappable. First thing to pay for: model usage. Put a budget cap on your OpenRouter or provider key before you share the app.
OpenAI lists Codex in ChatGPT Free for quick coding tasks in the desktop app (subject to rollout). Codex on the web, in the CLI and in the IDE extension starts with Plus. With an API key you pay API rates, which OpenAI suggests for automation like CI. Claude Code needs Claude Pro or Max.
Type-checked inputs and outputs and testable agents. Prefer a vendor SDK? The OpenAI Agents SDK is MIT too.
Our take: The full comparison is in AI agent frameworks.
FastAPI for the API, and uv to manage Python versions and dependencies.
OpenRouter gives you one API across providers and bills models at the provider's list price; budgets and spend controls come with pay-as-you-go. For local development, Ollama runs models on your machine for free (MIT-licensed); its paid plans, from $20/month, add usage credits for its cloud models.
Render's Hobby workspace is $0 plus compute. Free compute plans have usage limits and are meant for personal projects and prototypes. Managed Postgres has a free tier too.
If your agent needs tools, expose them as an MCP server so the same tools work in your coding agent and in the app.
Our take: Start with how to add MCP servers.
Our take: use the coding agent you already pay for and connect it to the engine. Buy asset tools only when placeholders start slowing you down. First thing to pay for: a coding agent plan, if you don't have one. Asset tools come second. More engine agents (Unreal, Roblox) and asset tools are in our AI game dev tools guide.
Unity offers an official plugin for Claude Code, Codex and Grok, plus a Unity CLI with an MCP server. Unity's FAQ says all three are free with no concurrency limits. Only the in-editor assistant costs extra: on Personal, its free trial converts to $10/month.
Godot's license terms don't apply to the games you make, so you can license them however you like.
Our take: Its scripts and scenes are plain text files, which coding agents handle well, but there's no official AI plugin like Unity's, so you wire up the agent yourself.
Free-plan assets are licensed CC BY 4.0, so commercial use is allowed with attribution to Meshy. On paid plans you own the assets you create.
The commercial license starts on the Starter plan. All products (text to speech, sound effects, music) draw from one shared credit pool.
itch.io says it costs nothing to use and never places ads on your pages. You choose what share of sales goes to itch.io; the default is 10%, and payment processor fees come out separately.
All four can start at $0. The cheapest paid coding agent in this guide is GitHub Copilot Pro at $10/month. Our take: spend your first dollars on the coding agent, not on hosting.
Not on Vercel's free plan: Vercel says Hobby is for personal, non-commercial use, so move to Pro ($20/month) before you charge customers. Also note that Supabase Free projects pause after a week of inactivity.
Stack 1. When you outgrow the browser builder, sync to GitHub and move to Stack 2. Our vibe coding workflow covers the handoff.
Usually not. In a web app, the AI SDK is enough for chat and tool calls. Our take: reach for a framework when the agent itself is the product. See AI agent frameworks.
Meshy's Free plan allows commercial use with attribution (CC BY 4.0). ElevenLabs lists its commercial license from the $6 Starter plan, not on Free.
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Every price and plan detail on this page comes from the vendor's own pricing page, docs or license (linked as Source) and was checked on October 22, 2026. Licenses come from each project's GitHub repo. Prices change often, so check the link before you pay. No tool paid to be listed, and there are no affiliate links on this page.
How we write these: each tool description is based on the tool's own site or docs (linked as Source) and checked on the date above. "Our take" lines are our opinion. Something out of date? Email hello@hotfixdaily.com. No tool paid to be listed.
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