All apps
Commerce & marketplaces

Auctionhall

Timed and live auctions with sub-second bidding on a realtime mobile stack

Auctionhall is the AppLiaison answer when bidding has to feel live. It runs both timed-extension auctions (the eBay shape) and floor-driven live auctions (the auction-house-with-a-gavel shape), with sub-second bid latency, anti-snipe extensions, and a paddle / proxy-bid system that handles the realities of live floor operation. It is built on the Realtime Mobile Stack because phone-first bidding is how the audience actually buys.

Key features

  • Timed auctions with anti-snipe extension on last-minute bids
  • Live auctions with floor operator console and remote bidder paddle
  • Sub-second bid propagation across all connected paddles via WebSocket
  • Proxy bidding with maximum-bid privacy (no leak of true ceiling)
  • Reserve prices with fail-to-meet handling and re-list flow
  • KYC + Stripe Identity gate before paddle issue, deposit hold-on-card
  • Native iOS + Android paddle apps (Expo) with push notifications
  • Reporting on hammer prices, sell-through, audience engagement, paddle activity

Architecture

Architecture variant: realtime
Frontend
React Native via Expo SDK 50 (paddle apps)Next.js 14 (operator console + public listings)Reanimated 3 for bid-tick animation
Backend
Supabase Postgres (auctions, lots, bids)Supabase Realtime for bid broadcastSupabase Edge Functions for bid validation
Data + infra
Expo Application Services for native buildsSupabase Pro (Postgres + Realtime + Storage)Vercel (operator console + listings)
Integrations
Stripe Connect + Stripe IdentityTwilio (paddle SMS verification)Mux or Cloudflare Stream (live video for floor auctions)Mailgun or Resend (catalog emails)

Built on the Realtime Mobile Stack.

What you get

Auctionhall ships as a paired iOS + Android paddle app and a web operator console under your brand. Bidders register, complete KYC, and download the app from the customer’s branded App Store / Play Store listing. Operators run timed catalog sales and live floor sales from the console, both feeding the same paddle audience.

Sample customer story (placeholder — illustrative only)

A regional charity auction nonprofit licensed Auctionhall to run their hybrid in-person + remote-bidder annual gala. Average paddle activity per attendee tripled from the prior year’s web-only platform, hammer-to-clear time dropped from 6 weeks of post-event reconciliation to 4 days, and the nonprofit’s COO reported that “the app working” was no longer the topic of every meeting in the four weeks before the event.

What’s NOT included

  • Sealed-bid procurement auctions. Auctionhall is for ascending public auctions. Sealed-bid B2B procurement is a different shape.
  • Algorithmic ranking of lots. Lots are ordered by the operator. ML-driven bidder-personalized ordering is a paid Pass-2 customization.
  • Crypto / NFT bidding. Settlement runs through Stripe to bank accounts; crypto is not a current path.
  • High-volume retail-shaped commerce. Use Bazaar (multi-vendor) or Storeline (single).

Whitelabel surfaces

SurfaceThemeableCustom domain
iOS paddle appyesn/a
Android paddle appyesn/a
Operator consoleyesyes
Public catalogyesyes
Emailyesyes (sender domain)
PDF invoicesyesyes

Related apps