Native apps from Abundera.

Fast, signed, and the same product you use on the web. Sign in with a passkey, work offline, get system share-sheet and deeplinks for free.

macOS · Windows · Linux · iOS (soon) · Android (soon)

Abundera QR

Free QR generator

Generate static and dynamic QR codes for 80+ payloads in 26 languages. The full web product, native and offline-capable.

Paid · dynamic codes, analytics, teams

Editable destinations, scan analytics, team workspaces, A/B routing. The Pro dashboard, native.

Coming soon

E-signatures that hold up in court. ESIGN/UETA-compliant audit trails, biometric signing, hardware-attested provenance.

Coming soon · the financial advocate

Catches overcharges, drafts disputes, negotiates medical bills, surfaces savings. Your financial picture, defended.

Coming soon

Send physical mail without leaving the app. Disputes, charity care, hardship letters — print-and-mail or download as PDF.

macOS: Apple Developer ID, notarized. No Gatekeeper warnings.
Windows: EV code-signing certificate. SmartScreen reputation accrues per release.
Linux: AppImage and .deb shipped with detached PGP signatures. Public key.
Auto-update: Each release is signed with an Ed25519 key the installed app verifies before applying.

Platform	Minimum	Notes
macOS	11.0 Big Sur	Universal binary, native on Apple Silicon
Windows	10 (1809) / 11	WebView2 runtime auto-installed if missing
Linux	glibc 2.31+	WebKitGTK 4.1 required (Ubuntu 22.04+, Fedora 35+, Debian 12+)