Know what your collection is worth.

Offline catalog for your collection — coins, stamps, sneakers, watches. Track value, condition and location, with a total-value dashboard and PDF export.

Download on the App Store ▶ Android — Coming Soon See Features

Why SammelCheck

Built for the Job. 💎

SammelCheck is the offline catalog for your collection: add items with value, condition, purchase date and location, organise them into categories, and see your total portfolio value with a value-history chart. Everything stays on your device — GDPR-safe by design.

Item Catalog

Name, category, value, condition, quantity, purchase price and location — fully searchable.

Item History

Buy, sell, move — track each item's history with price and location.

Value History

Track how each item's value develops over time with a line chart.

Portfolio Total

Total collection value plus gain/loss at a glance.

Customers & Sales

Manage customers, import from contacts and record sales with an invoice PDF.

PDF Catalog

Export a clean catalog PDF for insurance or sale.

Barcode / QR Scan

Identify items by scanning a barcode or QR code.

Multiple Photos

Attach several photos to every item.

Key Features

Everything You Need

Items with value, condition, quantity, purchase price & location
Item history (buy / sell / move) with price & location
Customers & sales with invoice PDF + contact import
Barcode / QR scan identification
Multiple photos per item
PDF catalog, CSV export & WhatsApp share
Dashboard with charts & search
100% offline & private — no account, no cloud, GDPR-safe

Who It's For

Built for You

Collectors and hobby investors (coins, stamps, sneakers, watches, cards) who want to know the value of their collection.

No monthly cloud fees. No complicated software. No training required. Just open the app, do the work, and keep your data on your device.

Pricing

Simple, Honest Pricing

Free for 25 items

€5.99/month

Free for 25 items, then €5.99/month. Cancel anytime.

Full access to every feature — all offline, all private. Cancel anytime, no lock-in.

Download on the App Store ▶ Android — Coming Soon

FAQ

Frequently Asked Questions

What is SammelCheck?

SammelCheck is an offline Collection Catalog app. SammelCheck is the offline catalog for your collection: add items with value, condition, purchase date and location, organise them into categories, and see your total portfolio value with a value-history chart. Everything stays on your device — GDPR-safe by design.

Does SammelCheck work offline?

Yes. SammelCheck is 100% offline. Everything is stored on your own device — no account, no cloud, no data collection — so it works anywhere, even without signal.

Is SammelCheck GDPR-compliant and private?

Yes. SammelCheck is private by design: no account, no cloud sync, no tracking and no analytics. All data stays on your device, so no third party ever sees your data — GDPR-safe by architecture, not by policy.

How much does SammelCheck cost?

SammelCheck starts with a free tier (free for 25 items). The paid tier is €5.99/month.

Who is SammelCheck for?

Collectors and hobby investors (coins, stamps, sneakers, watches, cards) who want to know the value of their collection.

Get Started

Offline catalog for your collection — coins, stamps, sneakers, watches. Track value, condition and location, with a total-value dashboard and PDF export.

Download on the App Store ▶ Android — Coming Soon Explore All Apps →