InkSwatch is a private journal for fountain pen collectors. Catalogue pens, inks, and handwritten swatches on your iPhone with no account and no external service. CORE FEATURES - Pen library for brand, model, nib size, nib material, filling system, acquisition date, ink status, and notes. - Ink library for brand, ink name, bottle size, colour, and collection notes. - Swatch gallery for comparing ink colours across paper types. - Currently inked tracker so you can see what is in each pen. - Ink history per pen for every fill and swap. - Search across pens, inks, nibs, and notes. - On-device SwiftData storage. INKSWATCH PRO InkSwatch Pro unlocks unlimited pens, inks, and swatches beyond the starter collection limits. PRIVACY Your collection is stored on your device. InkSwatch does not require an account, does not include analytics SDKs, and does not use advertising identifiers.