📬 Stamp Collection App

The free stamp catalog built for serious philatelists

Photograph every stamp. Track country, year, Scott number, denomination, condition, and gum status. Works offline. Syncs everywhere.

Start your stamp collection free Browse collector gallery →

Free Unlimited local collections

Offline Works at stamp shows

5 langs EN · RU · DE · ES · FR

PWA iOS · Android · Desktop

Catalog Fields

Every field a philatelist needs

Collecta isn't a generic "add whatever fields" spreadsheet. Stamp collections ship with the right fields pre-configured — Scott numbers, gum condition, perforations, and all the standard philatelic attributes.

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Country

Issuing country with region and postal authority tracking

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Year

Issue year with range support for multi-year series

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Denomination

Face value in original currency — cent, mark, franc, etc.

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Scott Number

Scott catalog number — standard in North American philately

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Michel Number

Michel catalog number — standard in European philately

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Gum Condition

NH, LH, HH, NG — never hinged to no gum scale

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Perforation

Perf gauge (11, 12, 13.5, etc.) and watermark type

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Color / Shade

Color and shade variation — critical for catalog identification

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Photos

Multiple images — front, back, cancel marks, selvage

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Built for how philatelists actually work

Not a generic collection app with a stamp skin on top. Every feature was designed around philatelic workflows.

Offline-first at stamp shows Catalog new acquisitions on the show floor with no internet. Data syncs when you reconnect.

Side-by-side stamp comparison Compare two stamps from your collection directly — Scott numbers, condition, photos, and gum in one view.

Camera capture on mobile Tap "Take photo" to open your rear camera directly — no gallery hunting needed.

Shareable collection links Generate a public link to any collection. Share to WhatsApp or Telegram in one tap.

Field-level privacy control Share photos and condition grades publicly, hide purchase prices. You control what's visible.

CSV export (Pro) Export your full inventory. Works with Excel, Google Sheets, and most cataloging tools.

Multiple collections Separate collections for US stamps, world classics, Errors, FDCs — as many as you need.

Cloud sync (Pro) Your collection on every device — desktop, tablet, phone. Always in sync.

Comparison

Collecta vs Colnect vs StampWorld

Colnect and StampWorld are reference databases — excellent for identifying stamps and building a want list. Collecta is your personal inventory. They're not competitors; they're complements.

Feature	Collecta	Colnect	StampWorld
Personal photo catalog	✓ Your actual stamps	✗ Reference images only	✗ Reference images only
Works offline	✓ Full PWA	✗	✗
Philately-specific fields	✓ Scott, Michel, gum	✓ Catalog metadata	✓ Catalog metadata
Gum condition tracking	✓ NH, LH, HH, NG	Limited	✗
Shareable collection link	✓ Any device	✓ Web profile	✓ Web profile
Free personal catalog	✓ Unlimited	✓ With limits	✓ With limits
Side-by-side comparison	✓	✗	✗
Other collection types	✓ 30+ types	Some	Some
WhatsApp / Telegram share	✓ One tap	✗	✗
Mobile native camera	✓	✗	✗
CSV export	✓ Pro plan	✓	Limited

Many philatelists use Colnect to identify stamps, then Collecta to catalog their actual holdings. See also: coin collectors page →

FAQ

Common questions

Everything stamp collectors want to know before switching.

Is Collecta free for stamp collectors? +

Yes. Collecta is completely free for unlimited local stamp collections. Catalog, photo, and track condition on as many stamps as you want — no account required. The Pro plan ($4.99/mo) adds cloud sync, CSV export, and public sharing links.

Does Collecta have philately-specific fields like Scott number and gum condition? +

Yes. Stamp collections in Collecta include dedicated fields for country, year, denomination, Scott number (the standard North American catalog), Michel number (European standard), gum condition (NH, LH, HH, NG), perforation gauge, watermark, and shade. Custom fields are available for anything else your collection requires.

How does Collecta compare to Colnect or StampWorld? +

Colnect and StampWorld are community reference databases — excellent for identifying stamps and building a want list. Collecta is your personal catalog: photograph your actual stamps, record their condition and gum, track cancellation quality, and compare them side by side. Many philatelists use Colnect to identify stamps, then Collecta to manage their personal holdings. They complement each other well.

Can I track the gum condition of my stamps? +

Yes. Collecta has a dedicated gum condition field using standard philatelic terminology: Never Hinged (NH), Light Disturbance (LH), Heavy Disturbance (HH), and No Gum (NG). If you use custom regional terminology, you can add any custom condition labels you need.

Does the stamp app work offline? +

Yes. Collecta is a Progressive Web App (PWA) that runs fully offline. Catalog stamps at a stamp show or dealer with no internet — add photos, Scott numbers, and gum condition notes. Everything syncs automatically when you reconnect.

Can I export my stamp collection to CSV? +

Yes, on the Pro plan. Export your entire stamp inventory as a CSV file including all fields: country, year, Scott number, Michel number, denomination, gum condition, perforation, and value. Opens directly in Excel, Google Sheets, and most spreadsheet tools.

Can I share my stamp collection publicly? +

Yes, even on the free plan. Generate a public link for any collection and control exactly what's visible — show photos and condition grades, hide purchase prices if you prefer. Share directly to WhatsApp or Telegram with one tap.