Thermal-grade precision — offline-first
The analog
ledger for a
digital world.
The warranty tracker app and return window tracker for every receipt. ProofOF scans it, stamps the deadlines, and keeps the proof of purchase and receipt photo as a searchable purchase log — offline and encrypted.
iOS available now • Android in closed testing • No gradients. No glass. Just ink.
Proof of Purchase
ID 948-AX-001 • 2026-05-12 • 14:08
VERIFIED
RETAILERNorth Supply Co.
ITEMMech. Keyboard — 75% — Slate
SERIALSN-9F2-8841-XQ
RETURN WINDOW30 DAYS
WARRANTY3 YEARS
RETURN BY
14 DAYS — 2026-06-11
SUBTOTAL
$229.00
TAX
$18.32
TOTAL
$247.32
Keep this receipt — deadlines are stamped at print
Scroll to unrollShift+Tab tests keyboard • Reduced motion respected
How it works
01
99.8% HELD
Scan & Forget
On-device OCR (Vision / ML Kit) reads the receipt. You confirm once — retailer, date, price, serial. No cloud, no waiting, no retyping.
Frame
Extract
Confirm
VIEWFINDER — 75% KEYBOARD
Align receipt • Auto-capture
CAPTURED
Window Watcher
02Countdowns sorted by urgency, with staged reminders and optional calendar mirrors if you want them.
URGENT — 2 DAYS
COVERED
Secure Archive
Encrypted at rest, SQLite-first, PocketBase-synced. Receipt photo, serial, and deadlines travel together as one proof packet.
Local-first • File + JSON together
Active Logs — Preview
TOTAL 42
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Tap a log above — this panel morphs from the row via View Transitions.
Get the App
Download on the
App Store Coming soon Get it on
Google Play
App Store Coming soon Get it on
Google Play
iOS available now • Android coming soon — currently in closed testing