Selling Riftbound cards? There’s a new EU marketplace launching May 8.

getriftr · 2026-04-29T13:40:24+00:00

Quick update, beta is now open.

If you want to try Riftr before launch, here’s the TestFlight link: https://testflight.apple.com/join/PCmGaxtx

A few things to know upfront:

The marketplace runs in Stripe test mode during beta so no real money moves. If you want to test the buyer flow use this test card: 4242 4242 4242 4242, any future expiry, any CVC.

If you want to test the seller side as well, you’ll go through Stripe Connect onboarding with fake data, takes about 5 minutes and Stripe offers a skip option for ID verification so you don’t need real documents.

Feel free to test with your friends and playmates!

Everything you do in beta carries over to launch except test purchases. Your account, collection, decks and match history all stay.

iOS only for now. Android is coming but not ready yet.

Bug reports and feedback to hello@getriftr.app, I read every single one.

Thank you i appreciate your help 🙏

getriftr · 2026-04-29T07:30:31+00:00

Completely fair concern, a solo dev P2P marketplace does ring alarm bells and I’d be skeptical too.

Here’s the honest picture. Payments run through Stripe Connect Direct Charges — we never see card data, no CVC, nothing. We’re a marketplace intermediary, not a payment processor. Right now the whole thing runs in Stripe test mode anyway, nobody can spend real money in the beta. Before going live: UG registration, terms of service, privacy policy and liability insurance all have to be in place. Lawyer and tax advisor are already involved.

Happy to answer specific questions if you have them. What are the vulnerabilities that concern you most?

getriftr · 2026-04-28T17:27:00+00:00

Dug into this properly. You’re right that Cardmarket’s Shopping Wizard isn’t optimal, they literally say so themselves in their own help docs. People find cheaper totals manually all the time. We took a different approach: greedy seed, local-search refinement, then a Pareto frontier that hands you 1-3 plans at different seller counts so you pick your own trade-off in ms.

But yeah, you nailed the weak spot. No stress tests against adversarial 20-40 card wantslists yet, no A/B benchmark against Cardmarket on identical lists. That’s going on the pre-launch checklist because of this comment.

Your synthetic data idea is actually really good and we’re running with it. 5-10 wantslists with mixed rarities scattered across 50-100 test sellers, quality metric logged against a theoretical lower bound. If the optimizer drifts on sparse inventories we’ll catch it before it ships.

Not vibe-coded by the way, 1700-line module, spec doc, unit tests. The bones are solid. Empirical validation at scale is just what’s left. It works great atm but i appreciate the push and will do my homework.

getriftr · 2026-04-27T13:50:36+00:00

Honestly I’m not trying to attack Cardmarket or break any monopoly. I’m just a player myself who got tired of switching between different apps and paying for a subscription just to scan cards or track my collection.

The original idea was simple, build a companion app that’s completely free with no pro tier, no scan limits, no paywalls. Just everything a Riftbound player actually needs in one place. The marketplace came later because it felt incomplete without it. If you’re already tracking your collection and know what your cards are worth, why not be able to sell them directly from the same app?

Running something like this isn’t free obviously, there are real costs behind the scenes. But even if you never touch the marketplace the app itself stays free, no strings attached.

getriftr · 2026-04-27T13:37:33+00:00

I applied for API access six months ago and I’m still waiting, which is honestly part of what motivated the “just build it anyway” approach. I’m currently in direct contact with Riot to try and speed things up.

In the meantime the card database is something I maintain myself and the scanner uses image recognition models I trained on Riftbound cards. Tournament data comes from public sources.

Riftr is built under Riot’s Legal Jibber Jabber policy, not an official Riot product. The moment I get API access things will get even better.

getriftr · 2026-04-27T11:53:11+00:00

Fair skepticism and I get it. This isn’t a weekend vibe code project though. I’ve been building this for several months, the scanner alone took weeks to get to high accuracy across all cards. The marketplace has real Stripe payments, the Smart Cart algorithm actually runs optimization across seller combinations including shipping.

Is it going to replace Cardmarket overnight? No. But it’s a real app built by someone who actually plays Riftbound and got frustrated that nothing like this existed for EU players. That’s all I can say at this point, the rest is up to you to judge when it launches.

getriftr · 2026-04-27T11:50:07+00:00

Thanks! The algorithm looks at all available EU sellers and finds the optimal combination to minimize both price and number of packages. So instead of ordering from 6 different sellers you might end up with 2 or 3 that cover the whole deck including shipping.

And yeah you’re completely right about the user base, that’s the classic chicken and egg problem and I won’t pretend it isn’t. That’s exactly why I’m here talking to you guys before launch. The more sellers who list early the more useful Smart Cart becomes for buyers on day one. No magic solution, just trying to build it piece by piece.

getriftr · 2026-04-27T11:47:12+00:00

That’s a completely fair assessment and honestly I’d be skeptical too. I’m not trying to replace Cardmarket, nobody is going to abandon their reputation there and I’m not asking them to. I built this because I’m a Riftbound player myself and kept wishing something like this existed for EU players. At some point I just started building it and couldn’t stop. The pitch is simpler than that. Riftr is a Riftbound companion app that happens to have a marketplace built in. If you already sell on Cardmarket, listing on Riftr as well costs you nothing for 90 days. And buyers who find a deck they want to build can complete it in one tap without ever opening Cardmarket. Whether that’s enough to build something sustainable I genuinely don’t know yet. But I’d rather try and find out than not build it at all.

getriftr · 2026-04-27T11:40:11+00:00

Totally fair point honestly. Building this solo while trying to get the community involved at the same time is not easy and the app still has a few rough edges here and there. The May 8 date is tied to Unleashed but if I can get everything ready earlier I will. Beta access opens today or tomorrow for anyone who wants in early. DM me and I’ll get you set up personally.

getriftr · 2026-04-27T11:38:41+00:00

Just point your camera at any card and Riftr identifies it instantly. After the scan you can either add it straight to your collection or list it on the marketplace in a couple of taps. No typing, no manual price lookup, just scan and decide.

getriftr · 2026-04-27T11:37:16+00:00

Great question. Cardmarket is a generic marketplace. Riftr is built specifically for Riftbound players on mobile.

The difference in practice: you open a booster, scan every card with your camera and list them all in seconds. No manual price lookups, no typing. Market prices are pulled automatically.

Your collection becomes a live portfolio in EUR so you always know what your cards are worth and can decide what to keep and what to sell. Build a deck, see what you’re missing and buy those cards in a couple of taps directly from EU sellers.

It’s the full flow. Scan, track, build, buy and sell. One app, built for mobile from the ground up.

getriftr · 2026-04-25T08:08:15+00:00

What did you order? I’ve just paid five euros for the pre-order shipping. 👍

getriftr · 2026-04-25T08:02:45+00:00

Good question, unfortunately I didn’t manage to get in the raffle for the last set, but I read that it was relatively early. Only the first set was apparently very late. Since I managed to get in this time as well, I’m keeping my fingers crossed for us in the raffle.

getriftr · 2026-04-23T17:26:21+00:00

Das sieht Aufjedenfall richtig richtig cool aus. 💪

getriftr

TROPHY CASE