Grona

Bolt starts from zero. Grona starts from yours.

Bolt is the fastest way from a prompt to a prototype. Your revenue pages aren't a prototype. Grona redesigns what they already are, on the domain you already own.

A sapling shooting up beside a stopwatch on bare ground, next to a mature tree with one newly grafted branch leafing out in green

The comparison

Bolt vs Grona

Grona is the Bolt alternative for the website you already have. Bolt takes a prompt from zero to a working prototype; Grona starts from your live pages and redesigns the ones that underperform, with nothing rebuilt and nothing moved.

Already sure? See it on your own site.

Starting point

BoltZero: a prompt in the browser
GronaThe site you already run

What you get

BoltA working prototype on new hosting
GronaRedesigned pages on your existing domain

Keeps SEO, URLs, analytics history

BoltNo, it is a new project
GronaYes, nothing moves

Works with your CMS

BoltReplaces it
GronaAny CMS with one snippet; native app on Shopify

Research on your own data

BoltNo
GronaGA4 from chat, plus competitor intel

Generates sections with AI images

BoltIn the prototype
GronaOn your existing pages, in your design language

A/B test before full rollout

BoltNo
GronaYes, or ship 100%

Zero-to-prototype speed

BoltThe fastest aroundthe crown is real
GronaNot the job

Code export and ownership

BoltYestheir job, done well
GronaNo; changes ship to your live site

Pricing

BoltSubscription from $25/mo, token-based usage (verified Jul 2026)
GronaFree to build, pay to go live

The advantage

What Grona does that Bolt doesn't

Your revenue pages don't start from zero. Neither should your redesign.

Starts from one, not zero

Grona reads the design language of the site you have, tone, type, color, spacing, and generates elements that arrive on brand, not as a fresh prototype.

Research on your own data

Connect GA4 from the chat and Grona reads your real traffic, then layers in live competitor intel, so you know what to change and why.

Generates sections, images included

Ask for a new section and Grona builds it into your existing page, AI images and all, ready to review before anyone sees it.

Tests before it commits

Ship every change as an A/B test or a 100% rollout, target by traffic source, and see which variant wins. Changes earn their place.

The honest part

What Bolt does that Grona doesn't

Bolt has earned the speed crown, and this section is not faint praise. If your project looks like one of these, it's the better fit.

  • If you're validating an idea that doesn't exist yet, Bolt is the fastest zero-to-prototype there is.
  • If you need a working full-stack demo in an afternoon, Bolt gets you there before most tools finish onboarding.
  • If you want to own and export the resulting code, Bolt hands you the project. Grona ships changes to your live site instead.
A stopwatch beside a web page springing up fast: the zero-to-prototype speed Bolt is built for

From one, not zero

Your product page, redesigned where it stands

Drag the divider. The weak spots get redesigned in place; nothing gets rebuilt and nothing moves.

An ecommerce product page sketched in grey pencil, amber flags on the tiny product image, the wall-of-text description, and the buried buy button

One product page, redesigned in place. Nothing migrated.

The fit

Who should choose Grona

Built on 1,200+ experiments across 12+ industries. Product-page redesigns have seen up to 40% lift.

Read the MouthShield case study
1,200+ experiments

Grona is ideal if you

  • Run a live site that already earns
  • Want prototype-speed iteration on real pages, not a fresh project
  • Can't afford an SEO and URL reset
  • Are on Shopify, WordPress, Webflow, or any snippet-friendly CMS
  • Want changes tested before everyone sees them

Grona may not be right if you

  • Are validating an idea with no site yet
  • Need a full-stack prototype this week
  • Want to own and export the codebase

FAQ

Bolt vs Grona, answered

What is the best Bolt alternative for an existing website?

Grona is the Bolt alternative for websites that already exist: it redesigns the pages you have instead of generating a new project, so your domain, SEO, and analytics history stay put. Bolt is still the better fit when you are prototyping something from zero.

Do I keep my domain, SEO, and analytics history with Grona?

Yes, nothing moves. Grona redesigns pages on the domain you already own, so URLs, rankings, and analytics history stay intact, and changes ship as an A/B test or a 100% rollout.

How does Grona's pricing compare to Bolt's tokens?

Grona is free to build: you pay only when a redesign goes live on your site. Bolt charges a subscription with token-based usage, so you pay as you generate. Which costs less depends on how much you build before you ship.

See it on your own site

Paste your URL and watch Grona redesign it. Free to build, pay only to go live.

Grona Autopilot is coming

Today you approve every change. Soon Grona runs the loop itself.