NibLedger
Know what is in every pen and bottle with a USD 0.99 paid App Store download — no account, subscription, in-app purchase, ads, tracking, or required internet connection.
NibLedger
Track fountain pens, ink bottles, current fills, remaining amounts, corrections, cleanings, and immutable history in one private offline ledger.
Pens and inks stay connected
Record each pen's nib and filling system, each ink's color and bottle amount, and the exact pairing used for every fill.
Every amount change remains auditable
Fills, corrections, reversals, endings, and cleanings preserve the original facts while derived status and remaining ink stay current.
Private records stay portable
Everything stays on your device; a USD 0.99 App Store download includes text and CSV exports plus checksum-verified JSON backup and import.
Your data stays on your device
NibLedger is designed to work locally and privacy-first. Read the full privacy policy for details on what it does and doesn't collect.