You already have a marketplace. Buyers browse, sellers list. Bring the site you have. Free, no card. Ask for the apps. Through your AI or the BDK dashboard. Same listings, same accounts. BDK builds and signs iOS and Android apps for your own Apple and Google developer accounts. Yours to test. Yours to submit. Try it with a few sellers on TestFlight and a Play internal test. One deploy. Every screen. Add a feature to your site. Both apps show it, no rebuild. You ask your AI: "Show the seller's rating and a Make offer button on every listing." One deploy, and Chrome, Safari, the iPad, the iOS app and the Android app all show the change at the same time. Native, when you ask for it. Listing photos, offer alerts and pickup times, from your own code. You ask your AI: "Let sellers pick several listing photos at once, and notify them when an offer comes in."
Watch it happen.
Chrome9:41
Swapyard×+
‹›swapyard.app⋮
Swapyard
Search desks, bikes, sofas
2
Sell an item
DK
CATEGORY
All1,240
Furniture312
Bikes88
Electronics140
Home205
Free stuff41
DISTANCE
Within 5 mi
Near youNewest first
$120
Oak writing desk
Dana K. · 2 mi
$240
Steel road bike
Theo M. · 4 mi
$60
Green armchair
Priya S. · 1 mi
$85
Film camera
Sam O. · 3 mi
$35
Brass floor lamp
Lena V. · 2 mi
$18
Monstera, large
Ravi P. · 5 mi
Swapyard
Search desks, bikes, sofas
2
Sell an item
DK
CATEGORY
All1,240
Furniture312
Bikes88
Electronics140
Home205
Free stuff41
DISTANCE
Within 5 mi
Near youNewest first
$120
Oak writing desk
4.9 Dana K. · 2 mi
Make offer
$240
Steel road bike
4.8 Theo M. · 4 mi
Make offer
$60
Green armchair
5.0 Priya S. · 1 mi
Make offer
$85
Film camera
4.7 Sam O. · 3 mi
Make offer
$35
Brass floor lamp
4.9 Lena V. · 2 mi
Make offer
$18
Monstera, large
4.6 Ravi P. · 5 mi
Make offer
Swapyard
Search desks, bikes, sofas
MR
Near you · Furniture
$120Oak writing desk
Solid oak, one drawer, light wear · Pickup only
DK
Dana K.4.9 · 38 sales · 2 mi
YOUR OFFER
$95
Make offer
Offer sent. Dana gets a notification.
ChromeChrome
9:41
Swapyard
Search near you
AllFurnitureBikesHome
Near you5 mi
$120
Oak writing desk
2 mi · Dana K.
$240
Steel road bike
4 mi · Theo M.
$60
Green armchair
1 mi · Priya S.
$85
Film camera
3 mi · Sam O.
$35
Brass floor lamp
2 mi · Lena V.
$18
Monstera, large
5 mi · Ravi P.
Swapyard
Search near you
AllFurnitureBikesHome
Near you5 mi
$120
Oak writing desk
4.9 · 2 mi
Make offer
$240
Steel road bike
4.8 · 4 mi
Make offer
$60
Green armchair
5.0 · 1 mi
Make offer
$85
Film camera
4.7 · 3 mi
Make offer
$35
Brass floor lamp
4.9 · 2 mi
Make offer
$18
Monstera, large
4.6 · 5 mi
Make offer
aA swapyard.app
Safari
You Your AI
Message your AI
BDK · Signed
9:41
HomeSearchSellMessages2You
Swapyard
DK
Near youWithin 5 mi
Search desks, bikes, sofas
AllFurnitureBikesElectronicsHomeFree stuff
$120
Oak writing desk
Dana K. · 2 mi
$240
Steel road bike
Theo M. · 4 mi
$60
Green armchair
Priya S. · 1 mi
$85
Film camera
Sam O. · 3 mi
$35
Brass floor lamp
Lena V. · 2 mi
$18
Monstera, large
Ravi P. · 5 mi
$45
Pine bookshelf
Ana L. · 1 mi
$70
Wool rug
Joel T. · 3 mi
HomeSearchSellMessages2You
Swapyard
DK
Near youWithin 5 mi
Search desks, bikes, sofas
AllFurnitureBikesElectronicsHomeFree stuff
$120
Oak writing desk
4.9 · 2 mi
Make offer
$240
Steel road bike
4.8 · 4 mi
Make offer
$60
Green armchair
5.0 · 1 mi
Make offer
$85
Film camera
4.7 · 3 mi
Make offer
$35
Brass floor lamp
4.9 · 2 mi
Make offer
$18
Monstera, large
4.6 · 5 mi
Make offer
$45
Pine bookshelf
4.8 · 1 mi
Make offer
$70
Wool rug
4.9 · 3 mi
Make offer
iPad appiPad app · no rebuild
9:41
Swapyard
Search near you
AllFurnitureBikesHome
Near you5 mi
$120
Oak writing desk
2 mi · Dana K.
$240
Steel road bike
4 mi · Theo M.
$60
Green armchair
1 mi · Priya S.
$85
Film camera
3 mi · Sam O.
$35
Brass floor lamp
2 mi · Lena V.
$18
Monstera, large
5 mi · Ravi P.
Swapyard
Search near you
AllFurnitureBikesHome
Near you5 mi
$120
Oak writing desk
4.9 · 2 mi
Make offer
$240
Steel road bike
4.8 · 4 mi
Make offer
$60
Green armchair
5.0 · 1 mi
Make offer
$85
Film camera
4.7 · 3 mi
Make offer
$35
Brass floor lamp
4.9 · 2 mi
Make offer
$18
Monstera, large
4.6 · 5 mi
Make offer
Your listingEdit
$120
Oak writing desk
Active · 2 mi
NEW OFFER
MR
Mia R.4.8 · 3 mi
$95
AcceptCounter
Photos2 of 8
Add photos
PickupSat · 10:00
Swapyard nowNew offer: $95 for your Oak writing desk
RecentsAdd 3
1
2
3
Your listingEdit
$120
Oak writing desk
Active · 2 mi
NEW OFFER
MR
Mia R.4.8 · 3 mi
$95
AcceptCounter
Photos2 of 8
Add photos
PickupSat · 10:00
Swapyard nowNew offer: $95 for your Oak writing desk
RecentsAdd 3
1
2
3
SwapyardBuy and sell near you
Swapyard
TestFlightSwapyardSwapyard Inc.Buy and sell near youINSTALLOPEN1.0VersionBuild 1Today90 daysExpires
What to Test
Swapyard
Search near you
AllFurnitureBikesHome
Near you5 mi
$120
Oak writing desk
2 mi · Dana K.
$240
Steel road bike
4 mi · Theo M.
$60
Green armchair
1 mi · Priya S.
$85
Film camera
3 mi · Sam O.
$35
Brass floor lamp
2 mi · Lena V.
$18
Monstera, large
5 mi · Ravi P.
SwapyardBuy and sell near you
iOS appiOS app · no rebuild
9:41
Swapyard
Search near you
AllFurnitureBikesHome
Near you5 mi
$120
Oak writing desk
2 mi · Dana K.
$240
Steel road bike
4 mi · Theo M.
$60
Green armchair
1 mi · Priya S.
$85
Film camera
3 mi · Sam O.
$35
Brass floor lamp
2 mi · Lena V.
$18
Monstera, large
5 mi · Ravi P.
Swapyard
Search near you
AllFurnitureBikesHome
Near you5 mi
$120
Oak writing desk
4.9 · 2 mi
Make offer
$240
Steel road bike
4.8 · 4 mi
Make offer
$60
Green armchair
5.0 · 1 mi
Make offer
$85
Film camera
4.7 · 3 mi
Make offer
$35
Brass floor lamp
4.9 · 2 mi
Make offer
$18
Monstera, large
4.6 · 5 mi
Make offer
Your listingEdit
$120
Oak writing desk
Active · 2 mi
NEW OFFER
MR
Mia R.4.8 · 3 mi
$95
AcceptCounter
Photos2 of 8
Add photos
PickupSat · 10:00
Swapyard nowNew offer: $95 for your Oak writing desk
RecentsAdd 3
1
2
3
Your listingEdit
$120
Oak writing desk
Active · 2 mi
NEW OFFER
MR
Mia R.4.8 · 3 mi
$95
AcceptCounter
Photos2 of 8
Add photos
PickupSat · 10:00
Swapyard nowNew offer: $95 for your Oak writing desk
RecentsAdd 3
1
2
3
SwapyardBuy and sell near you
Tue, Aug 5
Swapyard
Google PlaySwapyardSwapyard Inc.Internal testingYou’re a testerEarly version of this app1.0VersionBuild 1TodayInternalTest track
InstallInstalling…Open
What’s new
First internal build. Please test the main screens.
Swapyard
Search near you
AllFurnitureBikesHome
Near you5 mi
$120
Oak writing desk
2 mi · Dana K.
$240
Steel road bike
4 mi · Theo M.
$60
Green armchair
1 mi · Priya S.
$85
Film camera
3 mi · Sam O.
$35
Brass floor lamp
2 mi · Lena V.
$18
Monstera, large
5 mi · Ravi P.
SwapyardBuy and sell near you
Android appAndroid app · no rebuild
App Store Connect
Swapyard · 1.0 (1)
Submit for Review
Play Console
Internal testing · 1.0 (1)
Available to testers
You already have a marketplace.
Buyers browse, sellers list. Bring the site you have. Free, no card.
Through your AI or the BDK dashboard. Same listings, same accounts.
Try it with a few sellers on TestFlight and a Play internal test.
Add a feature to your site. Both apps show it, no rebuild.
Listing photos, offer alerts and pickup times, from your own code. + every other native feature
Free to preview.One payment when you build. All features included.See pricing
Made it with an AI, with code or by drag and drop? BDK turns that same web app into your iOS and Android apps.
0tools to install
No Mac. No Xcode. No Android Studio.
Builds are made on our machines and signed for your accounts. You never open an IDE.
Two developer accounts, both held by you: an Apple Developer Program account and a Google Play Console account, each holding the app and its signing key.
Apple Developer Program
Account holder
Acme Inc.
App
Acme Store
Signing key
In your account
Google Play Console
Account holder
Acme Inc.
App
Acme Store
Signing key
In your account
You hold the accounts. We build into them.
Your accounts. Not ours.
The apps are built and signed into your own Apple and Google developer accounts. If BDK disappeared tomorrow they would keep running.
1you give usApp Store Connect key
5we generate
Distribution certificate
App ID
Provisioning profile
Push certificate
Android keystore
We do the paperwork.
One App Store Connect key in. Certificates, App IDs, provisioning profiles, push certificates and signing keys out — emailed to you, so your team owns them.
Move your app between any two builders — Bubble, Claude, Lovable, Bolt, Base44, Webflow, Emergent. The URL it loads stays the same.
Bubble Claude
https://yourapp.com
stays the same
No lock-in.
Rebuild it in a different tool whenever you like. The app loads your domain; what’s behind it is your business.
https://yourapp.com
We never see your code.
BDK needs one thing: the URL your app loads. No repository access, nothing to train on, nothing to leak.
7,754 App Store reviews across apps built this way, 6.3M+ installs on Google Play, 711 builders, 52 listing languages.7,754App Store reviews
6.3M+Play installs
711builders
52languages
This path is well travelled.
Real store listings, on their own accounts, in 16 storefronts and 52 languages.
Trusted globally.
7,000+ apps made with BDK, in 52 languages, from Tokyo to São Paulo.
World map. Markers show 16 countries with App Store storefronts where apps built with BDK Native are listed.
Your AI walks you through setup. You approve each step.
Works with the AI tools you already use
Claude Code
Codex
Cursor
Windsurf
Lovable
Bolt
v0
Base44
Replit
Emergent
Bubble
ChatGPT
Claude Code
Codex
Cursor
Windsurf
Lovable
Bolt
v0
Base44
Replit
Emergent
Bubble
ChatGPT
Claude Code
Codex
Cursor
Windsurf
Lovable
Bolt
v0
Base44
Replit
Emergent
Bubble
ChatGPT
Ask it right now.
Ask in your own words. We add our answers file so it gets the facts right.
Read thebdk.com/llms.txt first, then:
Try asking
Keep the app you already built.
No rewrite. Whatever tool you built it with, BDK turns it into iOS and Android apps.
Start with your app’s URL
Add native features when you want them
How each one connects
Native features in one ask.
Push to a segment. Face ID sign-in. A camera QR scan at checkout. Your AI writes it into your app.
Push notifications
Face ID sign-in
Camera QR scan
Native share sheet
See the asks
Run your projects from your agent.
Connect your AI once. It can create projects and check builds for you.
bdk_create_projectStart
bdk_buildAsk
bdk_checkHealth
What your agent can call
Ask the hard questions.
Better to know before you build than after. Your AI answers from our live answers file.
Stripe or in-app purchases?
What does App Review look at?
How does push get set up?
Three we get asked most
Keys stay on the portal. You complete payment yourself on Stripe's hosted checkout. How agents use BDK
Quick answers.
The six things people ask before they start.
Do I need a Mac?
No. You configure the app in the BDK dashboard and we hand you signed iOS and Android builds. No Xcode, no Android Studio.
Who submits to the stores?
You do, from your own Apple and Google accounts. BDK builds and signs the apps; you set up the store listing and submit.
Does Android get push too?
Yes. Push, deep links, Face ID or fingerprint, camera, purchases: the SDK covers both platforms from the same JavaScript.
What about Stripe and Apple’s 30%?
Physical goods and real-world services keep your web checkout. Digital goods used inside the app generally have to go through the store’s purchase system, and the SDK has in-app purchases for that. The classification is Apple’s and Google’s, not ours.
Is there a subscription?
No. One-time BDK payment, and your app keeps working. Includes 4 banked rebuilds, valid for 12 months. Every rebuild uses one. After the bank is used or expires, rebuilds are $19 each.
Can I go fully native later?
Yes. Replace the shell with React Native or Swift and submit it as a normal update. Same listing, same users, same reviews.
71 native features. One JavaScript client.
Push, Face ID, camera, purchases, deep links, NFC, health. Called from the JavaScript you already write.
Vibration patternHardware back buttonSwipe to backBuild capabilitiesGet device infoFace ID & Touch IDPermission statusRead an NFC tagPlay remote videoNative bannerShare mediaTake a screenshotNative popupInstagram StoriesNative date pickerVibrate & feedbackBackground messagesPick multiple photos
Restore purchasesFront cameraLock orientationDynamic launch pagePick a contactTake a picturePurchases · iOSOpen URL in modalPush notificationsGPS trackingPush permissionGPS locationVideo playlistNotification settingsRead from deviceApp icon badgeQR / barcode scanSign in fullscreen
Checkout sheetYour entitlementsReceive sharesUpdate status barSet orientationHandle deep linksReset launch pageContacts, pagedPlay remote audioNative alertShare textRead contactsSaved loginOpen app settingsWrite an NFC tagOAuth sign-inApp trackingRecord audio
System soundFilter sheetDynamic linksOffline detectionLoading screenRead your stepsNotification statusConnect health dataSelect a picturePurchases · AndroidDeeplink to an appSave to deviceBrowse productsNative transitionCreator storefrontShare filesRequest app rating
Every name here is a real SDK call. 61 of them run in the demo app.
iOS, Android, or both.
Pick your platforms when you create the app. One price each.
Two apps, built and signed for your accounts. The store listings and submission are yours.