Barry's Bold brand, class schedule and signup up front. Visit ↗
BYOB New inbox in every project
Fitness Website Builder in London
Fill classes in London with a site that shows the schedule, trainers, and a frictionless signup.
Runs on the stack you trust
Prompt to product
From one-line brief to finished app.
Compare the one-line brief with what BYOB ships. Real layout, data, and deploy status, editable from the same workspace.
TD
Team Tasks
Shared task tracking
Today4
Done11
Streak6d
Open live app ↗
Drag the handle. Or focus it and use the arrow keys.
Get inspired
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Local details
What to know before you build here
- Currency
- Pound Sterling (GBP £)
- Tax
- VAT at 20%
- Payments
- Cards, Apple Pay, Google Pay
- Domain
- .co.uk / .uk
Dense and competitive; niche focus and fast sites win.
Fresh from the community
See what builders ship, or start from an example.
Live workspace
Code, chat, and preview in one place.
The workspace is built for repeated product work, not disposable demos. Every generated file stays inspectable, every change is visible, and every follow-up can target the exact part of the app you care about.
01 · EDITOR
Generated code, ready to edit.
Every file BYOB writes stays visible and editable. Follow-ups target the exact lines you care about instead of regenerating from scratch.
- Added lines highlighted the moment they land
Code
Act mode TodoPage.svelte
schema.ts
1
<script lang='ts'>2
type Task = { id: string; title: string; done: boolean
}3
let tasks = $state<Task[]>([])4
5
function toggleTask(id: string) {6
task.done = !task.done // just added by BYOB7
}8
</script> main · 0 problems Preview ready
02 · AI COMMAND
Plan, build, and refine in one chat.
Describe the outcome once. BYOB turns it into a build plan, implements it step by step, and keeps every change visible while you iterate.
- Build plan with live progress you can inspect
B BYOB AI
Chat Act
Your prompt
“Build a todo app for beginners”
Build plan
80%- Task list UI + empty state
- Add + toggle actions
- Progress summary…
Add due dates and filter by done…
03 · LIVE PREVIEW
See every change the second it lands.
The preview updates as BYOB works, with deploy status attached, so the path from edit to production stays inspectable.
- Real app state, not a static mockup
Live preview
/TD
Team Tasks
Shared task tracking
Progress 2 of 3 done
- Wireframe landing page
- Task list component
- Responsive polish + QA
Ask BYOB to refine
Deployed · SvelteKit · SSL on
Prompt to app
From first prompt to a workspace you can ship.
Start conversationally, approve the shape, let Tool Mode implement, then refine and deploy from the same workspace.
- 01 Describe the product Start with the outcome, audience, and any constraints. BYOB turns the idea into a practical build plan.
- 02 Shape the UX Review the proposed flows, screens, data needs, and visual direction before code starts moving.
- 03 Generate the app Tool Mode writes SvelteKit code, connects integrations, and keeps each change visible in preview.
- 04 Test and refine Ask for edits, roll back when needed, run checks, and keep the project editable instead of disposable.
- 05 Deploy Ship the finished app, connect domains, and keep iterating from the same workspace.
Agent and backend
Code with your agent, ship with a real backend.
Connect Codex, Claude Code, or Antigravity to your project, then store data and ship to production without leaving the workspace.
- Approve project access from BYOB
- Installs the byob command
- Preview, deploy, git diff, DNS, credits, and code tools
npmnpx -y byob-cli codex installApprove only the projects your agent can touch, then read context, edit files, inspect diffs, test previews, and roll back from your terminal.
- 1
- prompt to start
- 3
- live panes
- 24/7
- edge preview
Loved by builders
Rated 4.9/5 by developers and founders using BYOB to move from idea to shipped product.
Built for shipping
The parts that usually slow you down are already here.
BYOB handles product planning, implementation, preview, testing, database work, and deployment from one focused interface, with coding-agent access and production analytics when you want to keep working from your own terminal.
This part is hands-on. The cards drift until you touch them. Drag to rearrange, or press and hold one to feel it push back.
Agent integrations
Give Codex, Claude Code, or Antigravity scoped access through BYOB CLI or Agent MCP. Your agent reads context, edits code, tests previews, and deploys from your terminal.
Git history and diffs
Every change lands as a commit. Inspect history, compare diffs, and see exactly what changed since the last deploy.
Inbox in every project
Every project ships with an inbox. Collect messages, leads, and feedback from your app without wiring a third party.
Email sending built in
Send magic links, OTP codes, and transactional mail from your own sender address. Resend-backed, no SMTP setup.
Google and magic-link login
Offer Continue with Google plus passwordless email codes. Sessions and callbacks are handled.
Custom domains and SSL
Point your domain at BYOB with guided DNS checks. Certificates are automatic.
Visual editing
Click any element in the live preview and describe the change. Copy, spacing, color, behavior.
AI testing agent
Run full-site or feature checks and get implementation-level feedback you can apply in one step.
Version rollback
Step between saved states or redeploy a known commit when an experiment goes sideways.
One-click deploy
Builds publish to production hosting in one step. Deploys can auto-save the project state first.
Deployment analytics
Worker traffic, errors, CPU timing, subrequests, and custom-domain status from the workspace.
Supabase aware
Connect Supabase and BYOB reads schemas, drafts migrations, and generates types that match your app.
Team collaboration
Invite people in and keep sessions coordinated so work never overwrites work.
- Vision inputs
- Voice coding
- Project templates
- SEO-ready output
- Context tracking
- Model lock
Simple pricing
Start with credits, upgrade when usage is steady.
Pay as you go when you are exploring. Move to Pro or Max when BYOB becomes part of your regular build workflow.
Pay as you go
$0
$1 = 100 credits
Pro
$25
2,000+ credits/mo
Max
$79
8,000+ credits/mo
Live estimator
What will your app cost?
Try the cost calculator. Drag the pages slider, toggle the options, and watch the agency quote vs BYOB update instantly.
Open full cost calculator →Number of pages: 5
Traditional agency estimate
$5,750 upfront
Yearly maintenance
~$1,150 / year
BYOB estimate
~$45 in credits
BYOB builds the same site from one prompt and hosts it on the edge. Planning estimates, not quotes.
See BYOB plansView full pricing
Need white-label and SSO? Talk to us →
A fitness website builder for London creates timetable, class, membership and trainer pages with trial and enquiry forms for gyms, studios and personal trainers. BYOB generates them as editable pages and can add class booking or a members-only area backed by data storage and recurring payments.
Timetables and class booking
London class-goers decide late and move fast, often booking a lunchtime session from the office or a 6pm class on the way home. A timetable that is hard to read or out of date sends them to the studio next door. BYOB generates a clear weekly schedule with class types, times, trainer and location, plus a booking or waitlist request. You update a class, a cancellation or a one-off event in the editor, and the live page changes immediately. Popular slots can carry a short cancellation policy so evening no-shows do not erode the room.
Memberships and class packs
Recurring revenue keeps a London studio alive, so the site should explain the options plainly: monthly membership, class packs, off-peak plans and drop-in rates. BYOB can connect subscriptions through built-in payments, so members join and renew without you chasing payments each month. You can also sell a fixed pack of classes as a one-off purchase. Keep the terms visible, including any notice period and freeze policy, because clear membership conditions reduce disputes. The same site can later add a members-only area where people see their plan and book classes.
Trainers and programmes
People often choose a trainer before they choose a gym. A short profile for each trainer, with specialities, experience and the sessions they lead, gives prospective members a reason to come. Personal trainers and small-group coaches can have their own pages that link to an enquiry or booking form. For programmes such as a beginner course or a strength block, BYOB generates a dedicated page describing the schedule, level and price. Real photographs and specific descriptions outperform generic fitness imagery, and they are easy to keep current as your team changes.
Corporate and City clients
Much of London's fitness demand is tied to work. Canary Wharf and City offices look for lunchtime classes, wellness days and on-site or near-site training, and they usually want a quote rather than a checkout. BYOB generates a corporate wellness page with a structured enquiry form that captures company, headcount, location and preferred times, so your team can respond properly. You can list the formats you deliver, link to trainer profiles and keep a simple record of enquiries in your project inbox or data. It is a small page that opens a different, often steadier, revenue stream.
Getting found in London searches
Fitness searches are local and specific: "gym near Clapham", "yoga in Hackney", "personal trainer Canary Wharf". Name your area and nearest station on the homepage and in titles, keep a Google Business Profile with accurate hours and photos, and give people a clear next step such as a free trial or intro session. A themed trial landing page you can copy for each seasonal offer keeps campaigns simple. Because BYOB pages load fast and structure content cleanly, they suit the mobile searches that bring most new members through the door.
FAQ
Frequently Asked Questions
Can I sell memberships online?
Yes. BYOB connects subscription and one-off payments through built-in payments, so members can join, buy a class pack or renew without a separate system.
Can members book classes on the site?
Yes. With data storage and user accounts, members can sign in and book classes, while your public timetable stays readable for everyone.
Can I run a free-trial or intro offer?
Yes. Generate a dedicated trial page with its own form and expiry, then archive it when the promotion ends.
Do I need a mobile app?
No. A responsive website covers search, timetables and booking, which is how most London members start. A PWA-style installable site is possible later.
Can I list multiple studio locations?
Yes. Each site can have its own page with address, hours, timetable and travel notes so searchers land on the right location.
Build the first version today.
Start with one clear prompt. BYOB will help turn it into a product you can inspect, edit, test, and ship.