Now Live on the App Store

Track Visits.
Earn Rewards.

Cryptographic loyalty and visit verification for local businesses. Free on iPhone, iPad, and Mac.

See It In Action

Experience the Future of
Loyalty & Verification

For Business Owners: Set up a loyalty programme in minutes. Customers scan your QR code to record visits and earn rewards automatically — no punch cards, no paper, no trust required.

For Customers: Scan, visit, earn. Every check-in is cryptographically signed so your rewards are tamper-proof and yours forever. No account needed — all data stays on your device.

iPhone iPad Mac
Business Dashboard
Visit History

Simple Pricing for Growth

Start for free, upgrade when you're ready to scale.

Discovery

Perfect for small shops testing the water.

£0 / forever
  • Unlimited Customers
  • Basic QR Generation
  • 7-Day History
Download Free
RECOMMENDED

Professional

For businesses serious about loyalty.

£9.99 / month
Or £59.99 for 1st year £89.99
  • Real-time Analytics & Dashboard
  • Unlimited History & Exports
  • iPad Kiosk Mode
  • Auto-rotating Verification Words
Get Started
Founder-led • Pre-Seed Round

We’re Raising to Ship Physical Proof

Proof is expanding from software into hardware — a dedicated desk device for cafés and retailers that displays cryptographic verification states in real time and syncs instantly with our iOS app.

Why We’re Raising

  • • Finalise production-ready hardware design
  • • Manufacture the first 500–1,000 devices
  • • Cover UK company registration & compliance
  • • Support backend & infrastructure costs

Use of Funds

  • • Hardware tooling & PCB manufacturing
  • • Enclosure moulds & assembly
  • • CE / UKCA compliance testing
  • • Pilot deployments with cafés

Current Traction

  • • iOS, iPadOS & Mac app live on the App Store
  • • Backend live on Supabase
  • • Paying subscription model defined
  • • Hardware prototype cost & BOM validated

Funding Target: £40,000 – £60,000

This pre-seed round enables Proof to grow from a live App Store product to a revenue-generating hardware + SaaS platform for hospitality businesses.

£9.99 / month

Per business location

70%+ margin

On hardware at scale

Recurring MRR

Hardware-locked SaaS

This is not a public offering. Information provided for early supporters and private discussions only.

Get Proof Chain

Free on the App Store for iPhone, iPad, and Mac. Start building customer loyalty today — no account required.

Download on the App Store

Stay updated on new features and our hardware launch:

No spam. Unsubscribe any time.

Support the Founder

Enjoying Proof Chain?

Proof Chain is built solo by Mirsadra at Parkinsad. If it's added value to your business or your visits, a chai latte goes a long way.

Buy me a chai latte