Inkcho

Stats, color compare & wishlist added. Know which ink is in which pen. No account. No ads. Pro is a one-time purchase — no subscription.

Never forget which ink is in which pen. Inkcho is a fountain pen ink tracker built for collectors who rotate multiple pens and juggle too many bottles.

LAMY, Pilot, Sailor, Pelikan, Diamine — no matter the brand, see every pen's current ink at a glance. Log changes, track history, and never refill the wrong color again.

【What you can do】

▷ See what's loaded at a glance Color-coded list of every pen with its currently loaded ink.

▷ Log ink changes & cleaning Record the date, ink name, and notes every time you refill or flush a pen.

▷ Pairing notes Rate pen × ink × paper combinations with text, star ratings (1–5), and swab photos.

▷ Detailed ink management Record sheen, shimmer, water resistance, drying time, feathering, and bottle level (5 stages). Add custom tags for easy filtering.

▷ Wishlist Save pens and inks you want to buy — add them to your collection in one tap when you do.

▷ Statistics (Pro) See your top 5 pens & inks, monthly loading chart, and brand breakdown.

▷ Color comparison (Pro) Compare up to 8 inks side by side. Share the result as an image.

▷ Usage alerts (Pro) Get a push notification when an ink has been loaded beyond your set number of days.

▷ Photo attachments Attach photos to pens, inks, and pairing notes — from camera or your photo library.

▷ Color management Register any color with the built-in picker. Sort inks by hue or brand (Pro).

【Great for】 · Collectors who rotate multiple pens and lose track of what's loaded · Ink enthusiasts with more bottles than they can remember · Anyone who wants to capture what works for a specific pen × ink × paper combo · Fans of Pilot Iroshizuku, Sailor Shikiori, Diamine, LAMY, Pelikan Edelstein, and more

【Your data stays on your device】 Everything is stored locally on your iPhone / iPad. No external servers. No account required.

【Pricing】 · Free: up to 5 pens & 10 inks, core features (ink loading, pairing notes, wishlist, tags, photos) · Pro (one-time): unlimited pens & inks, statistics, color comparison, usage alerts, CSV export, ink sorting One payment. No subscription. Yours forever.

【CSV export (Pro)】 Export your full collection to CSV — compatible with Numbers and Excel.

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