philatelic analytics platform

perf48 overview

perf48 is a philatelic analytics platform designed for the data-driven worldwide stamp collector.

Search for free!

With a free perf48 account, you can query the database with over 10 filtering criteria, and run analytics on the universe of stamps.

Get a subscription to track your stamps & turn on AI recommendations

By upgrading your free account to a paid subscription, you can track your stamps, visualize the data, and run analytics on your collection. Subscriptions enable perf48's artificial intelligence, analytics, visualization and next-best stamp recommendation engine.

Data always available in the cloud

Subscribers indicate which stamps they own, mint vs. used. No data entry! The stamps are already entered, simply click on which you own.

Earn badges where your collection is strong

As you click stamps in your collection, perf48 automatically highlights where your collection is strong. Earn color-coded badges for a unique visualization of where your collection is complete.

See your collection at-a-glance on your dashboard

Watch your collection grow on your personalized collection dashboard. In addition to country-level data, perf48's artificial intelligence recommendation engine recommends a collecting strategy for every country.

Personalized recommendations just for you

perf48 analyzes your collection & its artificial intelligence engine automatically makes personalized recommendations for the next-best stamps to collect which will enhance your collection and its value most efficiently. Optimize your stamp buying so you purchase strategically and spend your hobby budget wisely. Your want list goes with you anywhere! Bring it to a stamp show and as you buy stamps, click on them in perf48 and your next-best stamp recommendations update in real time. With perf48, you hit collection growth milestones more quickly and frequently, which helps you appreciate your collection and the hobby more.


We auto-bill US$2.48 per month for access to our ad-free software-as-a-service stamp analytics platform. Cancel anytime. Secure & private: we collect a minimum of data & don't send marketing emails.

Use cases (free account)

Save time in identifying stamps

Understand the stamp universe

Use cases (paid subscription)

Save money by buying smarter

Appreciate what you own using data & analytics

Strategize to set goals & grow your collection purposefully & efficiently

Celebrating 15 years of data-driven stamp collecting.