Inkcho vs LetterNest

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. Whatever 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 Photo cards for every inked pen and its current ink, with pens due for cleaning first. ▷ 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 See your top 5 pens & inks, monthly loading chart, and brand breakdown. ▷ Color comparison Compare up to 8 inks side by side. Share the result as an image. ▷ Usage alerts 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. Pens can have up to 4, like the cap top or the nib. ▷ Color management Register any color with the built-in picker. Sort inks by hue or brand, or browse them in the Swatch book view. ▷ Data export & import (free) Share a CSV for spreadsheet apps, export a ZIP with photos for full backup, or import from CSV / ZIP. 【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 · Anyone with inks from many different makers 【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. Every feature beyond the entry limit is free — stats, color compare, usage alerts, sorting, export, and more · Pro (one-time): unlimited pens & inks, and share cards without the watermark One payment. No subscription. Yours forever. --- Kore Apps support@kore-apps.com

Bring calm structure to physical correspondence. Keep a private correspondent book with optional local address notes, log sent and received letters, see the reply queue and chronological history, use writing prompts and a cadence calculator, organize stationery, review activity and set local reminders. JSON backup is included; Pro removes the 5-correspondent and 30-item limits and enables PDF/CSV. Pro is a one-time Lifetime purchase with no subscription; Apple shows the localized one-time price and currency before purchase. No account, address lookup, delivery tracking or analytics. Protect exported contact data and confirm current carrier rules. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://viralcrew.de/apps/letternest/privacy