AI app builders compared: NorthernGo vs. 8 alternatives
Most comparison tables are written by whoever is selling one of the columns, and this one is no exception — we build NorthernGo. What we can do is be explicit about where each claim comes from. Every statement about another product below is taken from our own comparison page for that product, and links back to it. Where we have not published a vetted claim, the cell is left empty rather than filled with a guess.
All 40 competitor cells cite a row already published on that product’s comparison page.
Those claims were last checked on 20 August 2026. Each cell links to the comparison page, where the sources are listed.
Where the AI runs
Does generation happen on your machine or on someone else's server?
| Compared on | Where the AI runs |
|---|---|
| NorthernGo | Locally on your own GPU through WebGPU, or in the cloud when you want a larger model. Local generation is unlimited and your prompts never leave the machine. |
| Lovable.dev | Cloud only — no local option documented |
| Replit Agent | Cloud. No local or offline generation option is offered |
| Bubble.io | Cloud only. Editor and runtime are both hosted |
| v0 by Vercel | Cloud only — v0 requires an internet connection to generate |
| Bolt.new | Cloud. The code environment runs locally in the browser, the model does not |
| Cursor | Cloud. Every request routes through Cursor’s backend, even with your own API key |
| Base44 | Cloud. A local dev server exists but AI calls are forwarded to production |
| Framer | Cloud only — the editor itself is tied to Framer’s backend |
Database
What does it take to get a real database behind the app?
| Compared on | Database |
|---|---|
| NorthernGo | A Supabase PostgreSQL database is provisioned automatically in every generated app, together with email and password authentication. |
| Lovable.dev | Managed Postgres built on Supabase, region chosen per project |
| Replit Agent | PostgreSQL 16 on Replit infrastructure; production DB billed via Neon |
| Bubble.io | Built-in visual database on AWS with visual privacy rules |
| v0 by Vercel | None bundled. Provisioned via marketplace: Neon, Supabase, Upstash |
| Bolt.new | Bolt Cloud by default, or Supabase; provider choice is a Pro feature |
| Cursor | None. You bring your own |
| Base44 | MongoDB-compatible NoSQL, managed |
| Framer | None. A CMS for content only — no general-purpose data store |
Code ownership
Can you take the code and leave?
| Compared on | Code ownership |
|---|---|
| NorthernGo | Yes. Export the whole project as a ZIP of standard HTML, JavaScript and Tailwind, and host it anywhere. Nothing in the output depends on NorthernGo staying online. |
| Lovable.dev | Continuous Git sync to GitHub or GitLab |
| Replit Agent | ZIP download and one-click GitHub sync, no plan gate documented |
| Bubble.io | Not possible on any plan, including Enterprise. Data exports as CSV or JSON |
| v0 by Vercel | Bi-directional GitHub sync, available on the free tier |
| Bolt.new | One-click ZIP download plus GitHub sync |
| Cursor | Total — the files are already yours, in your own repository |
| Base44 | base44 eject via CLI, plus two-way GitHub sync from the Builder plan |
| Framer | No editable source. Published output is compiled HTML, CSS and JS |
What drives the cost
Does the bill grow with how much you build?
| Compared on | What drives the cost |
|---|---|
| NorthernGo | A fixed monthly plan. Cloud generations are metered per plan, but local generation is unlimited and costs nothing per run. |
| Lovable.dev | Each message, weighted 0.5–2 credits by complexity |
| Replit Agent | Effort-based checkpoints, plus hosting, database and storage from the same pool |
| Bubble.io | Workload Units — your app’s end-user traffic, not just your building |
| v0 by Vercel | Input and output tokens converted to credits, priced per model |
| Bolt.new | LLM tokens — grows with project size, since Bolt re-reads your files |
| Cursor | Tokens, priced per million across input, cache write, cache read and output |
| Base44 | Two currencies: message credits to build, integration credits at runtime |
| Framer | Credits per prompt, weighted by complexity. No rollover |
What it produces
What do you actually get at the end?
| Compared on | What it produces |
|---|---|
| NorthernGo | Production web apps, full-stack systems and e-commerce stores. A saved app is live at northerngo.com/?app=<id>. An installable PWA on a northerngo.com subdomain is Premium and Pro; a custom domain is Pro. |
| Lovable.dev | Vite + React + Tailwind |
| Replit Agent | Any — Python, Java, Rust, Go, C#, Angular, Vue and more |
| Bubble.io | Bubble’s platform only — moving off means a rewrite |
| v0 by Vercel | Next.js, React, TypeScript, Tailwind, shadcn/ui — no other frameworks |
| Bolt.new | Any JavaScript framework, Node.js backend. No Python or PHP |
| Cursor | An AI code editor — a VS Code fork that edits your existing repository |
| Base44 | React, Vue, Svelte or plain HTML; TypeScript backend functions on Deno |
| Framer | A website design and publishing tool with a CMS |
Source
Try the one you can run locally
NorthernGo is free to start, and local AI generation on your own GPU is unlimited. No credit card.
Build it yourself
NorthernGo turns a plain-text description into a working web app with a database, login and a live URL. Local AI generation runs on your own GPU, is unlimited, and is free on every plan.