Premium Pen Collection Manager

Penfolio

Your collection. Curated.

Track every pen you own — fountain, rollerball, or ballpoint. Know what your collection is worth. Find images from top retailers. Export a valuation report. All from your phone.

Install Free — No App Store Needed Free up to 15 pens · $6.99 one-time to unlock unlimited
No App Store Required

Install in 30 seconds

Penfolio is a Progressive Web App — install it directly from your browser. Works on iPhone, Android, and desktop.

1
Open in Safari
Visit penfolio.app/app in Safari on your iPhone. Must be Safari — not Chrome or Firefox — for the install option to appear.
2
Tap the Share button
Tap the Share icon at the bottom of the screen — the box with an arrow pointing up.
3
Add to Home Screen
Scroll down in the share sheet and tap Add to Home Screen. Tap Add in the top right corner.
4
Open Penfolio
The Penfolio icon appears on your home screen. Tap it — it opens full screen like a native app, no browser chrome.
1
Open in Chrome
Visit penfolio.app/app in Google Chrome on your Android device.
2
Tap Install
A banner appears at the bottom of the screen — tap Install. Or tap the three-dot menu and select Add to Home Screen.
3
Open Penfolio
The Penfolio icon appears on your home screen. Tap to open — full screen, works offline, launches instantly.
What's Inside

Built for collectors

Every feature a serious pen collector actually needs.

🖊
Full Collection Manager
Add every pen you own — fountain, rollerball, and ballpoint. Track brand, model, nib size, color, condition, and more.
📷
Live Image Search
Search for your pen and pull real product photos directly from Goulet Pens, JetPens, and top retailers.
💰
Collection Valuation
Track what you paid and what each pen is worth today. See your total collection value and gain/loss at a glance.
📄
PDF Export
Generate a full valuation report — perfect for insurance documentation or sharing your collection with fellow enthusiasts.
📅
Pen Shows
Browse upcoming pen shows across the US, right inside the app. Featured shows, dates, locations, and registration links.
📵
Works Offline
Your collection is always available — even without wifi. Perfect for pen shows where connectivity is unreliable.
Simple Pricing

Start free. Unlock once.

Free tier
15 Pens
No account required · Install instantly
Unlimited unlock
$6.99
One-time · No subscription · Ever
Install Free Now