UltraBall
Pokémon card prices, recent sales, and market data for 20,903 English cards across 185 sets, updated daily.
What is UltraBall?
UltraBall is a price and market data site for English Pokémon cards. It lists current ungraded and graded prices, recent sales, and price history for 20,903 English cards across 185 sets, with prices shown as updated daily. The site reports 925,164 sales tracked over 90 days, matched to exact cards, along with vintage and modern market indexes.
The site is aimed at Pokémon card collectors, traders, and anyone who wants to know what their cards are worth. Visitors can browse sets, popular Pokémon, rarity categories, and most valuable card rankings, or search for a specific card by name, nickname, or set.
Beyond price lookups, UltraBall includes a set of tools and guides. These cover a price checker, set symbol identifier, AI card grader, card centering tool, grading calculator, selling calculator, and collection tracker. The site also offers market lists such as most traded cards, recent sales, and hardest PSA 10s, plus links to find cards to buy on eBay, including auction sniping and price drop alerts.
Ready to launch?
Submit your product and get discovered by builders and creators worldwide.
Launch Now
FounderPlaybooks.
What other founders did to grow.
2722 dispatches from hundreds of founders, pulled from the week's best podcasts.
There's really nothing to lose with it because it doesn't cost money to be on there and try things. It's brainstorming, trying things, seeing what sticks and if it doesn't stick then try something different.
TikTok organic costs nothing — test it before committing budget to any other channel
TikTok's zero-cost floor makes it uniquely suited as a channel for experimentation before budget commitment. Maddie Kirby frames it as a discovery process: post across content types, measure what gets traction, then double down. The risk of not trying is missing a distribution channel that has driven #1 App Store rankings for apps with zero ad spend.
you go you fast forward two years or three years and a really good app that'll be flipped because you've you've retained people the the vast majority of people that use your products every day are old... you're not optimizing for the newbies anymore because there's way fewer than you've got to keep the old timers involved and engaged and happy
As Your App Ages, Shift Product Focus From Activating Newbies to Engaging Old-Timers
Early-stage apps are dominated by new users, so product decisions should optimise for first-week activation. In a mature app with strong retention, the vast majority of daily actives have been around for years — and shipping features that confuse them to chase new users is a revenue risk. Tracking cohort composition by age tells you which product strategy to run at each phase.
There's a play for whatever you're stuck on.
Read all 2722 playbooks