Inkcho

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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