RumX Team Photo
About RumX

The people behind RumX

What we believe, who builds RumX, and the proof: from a Stuttgart student project to the world's largest rum platform.

Manifesto

Rum is not a drink. Rum is a continent.
A sea of islands, styles, barrels, and stories.

Today you can buy anything: dry or sweet, aged or unaged, single cask or blend, from Jamaica, Martinique, or Guyana. But that's exactly the problem: Too much choice, too little truth.

We believe in enjoyment with direction.
In discovery that doesn't end in chance.
In ratings that speak the truth.
In a community that shares knowledge, not marketing.
In a place for every palate, from the curious beginner to the seasoned collector.

That's why we've built a database of over 25,000 rums.
A community of 53,000 members that has written over 300,000 authentic reviews.
A platform where you can decode your own taste, compare bottles, and buy directly from Europe's best rum retailers.

Don't drink the label. Drink the liquid.
Drink less, but better. RumX is your compass through the rum world.

A RumX user nosing an amber rum from a tasting glass while logging it in the RumX app, a 28-year-old rum bottle beside them
Nose it, taste it, note it: every pour helps you understand your own palate a little better.
Our story

How it all began

Where should I start? Which rum do I like and where can I find like-minded people? Like every rookie, our founder Oliver Gerhardt faced this mystery when he embarked on his rum journey. Combining his two greatest passions, software development and rum, he spent every spare minute in early 2018, alongside his computer science studies, programming a small rum database where he could record his tasting notes and digitize his growing rum collection. Over time, the idea grew to open up this still self-contained world and create an app for rum enthusiasts where tasting impressions could be shared, favorite rums could be found, and recommendations could be exchanged. With the official release of the iOS app on December 16, 2018, the time had come: Rum Tasting Notes went live on the App Store.

The rebranding to RumX in summer 2021 then laid the foundation for a real platform with an additional Android app, website, and community forum: RumX as we know it today.

RumX is founder-led and completely bootstrapped, with no outside equity investors. To this day Oliver is the only full-time person on it; Jakob, Lukas and Katharina support the journey alongside their own jobs, and Robert backs the team up as a freelance fine-spirits expert. The support RumX received came from programs, not investors: in 2023 a place in the start-up accelerator Sandbox, and in 2024 the prestigious NXTGN start-up program of THE Länd, backed by the state of Baden-Württemberg.

Founder video: Oliver introduces RumX and our YouTube channel
Oliver in our channel trailer: why RumX exists, how the app is built and what to expect on our YouTube channel. In German with English subtitles.

A small database develops into the world's largest review portal

The very first rum in the database was Plantation XO with the iconic number RX1. After 25,000 rums, we stopped counting. This vibrant rum source has grown thanks to a passionate community of over 53,000 members. A big thank you goes out to everyone who has helped and continues to help add new rums and fill in missing information. RumX wouldn’t exist without you.

Scan a rum label like on Shazam and within seconds you see what over 300,000 community reviews say about that exact bottle. Add personal recommendations, your digital shelf, and a forum where collectors share what they know. The app is free for iOS and Android: everything about the RumX app.

Oliver and Jakob working on RumX with a laptop, rum bottles and tasting samples on the table
Oliver and Jakob working on RumX. At our table, tasting samples and laptops belong together.

The evolution from digital purchasing advisor to Europe's largest selection of rum

We give you the ultimate rum experience by providing everything from a single source. Simple, intuitive, and secure. To do this, we link over 6,000 offers from partner shops across Europe, such as Rum & Co, Spirit Academy and Excellence Rhum, so you can now buy your favorite rum safely and conveniently directly on RumX. On top of that, you’ll receive personalized recommendations and 7-day customer service. But that’s not all: for hunters of rare collector’s rums, we also list current rum auctions from the most exciting auction houses. In short: you compare every offer in one place and buy directly from the specialist retailer. Browse the catalog.

How does RumX make money?

When you buy a rum through our marketplace, the partner shop pays us a small commission, and the price you pay stays exactly the same. The shop handles fulfilment and shipping; we hold no stock of our own, so there is no warehouse to clear and nothing we need to push on you. Our commission works the same way across partner shops, so offers are ranked by price and availability, not by who pays us more.

The part that matters most: a rating belongs to the community, not to us or a shop. No brand, no shop, and not even our own co-bottlings can buy a score. See exactly how our ratings work →

Transparent rums score higher. Bottles that name distillery, age, vintage and cask strength sit more than a point above the most opaque ones in our community scores. We don’t reward disclosure; the community does.
Our own rum

Savanna × RumX

In April 2026 we released our first bottling made in direct cooperation with a distillery, together with Savanna (Réunion Island): a Grand Arôme single cask, tropically aged for 17 years, limited to 445 bottles, now sold out. The community rates it 9.2/10, placing it in the top 2% of all rums on RumX. A distillery doesn’t entrust a cask like this to just anyone: this bottle exists because Savanna saw what our community knows about rum.
Oliver and Jakob holding the 17-year Savanna × RumX Grand Arôme single cask bottle
Oliver and Jakob with the Savanna × RumX single cask

We develop RumX with passion

Lukas Thiel
LUKAS THIEL

Keeps costs under control and ensures smooth processes

"It’s practically impossible to define my favorite rum, as I always discover new fantastic bottlings! I especially celebrate RX11. Tastes great in cocktails!"

LinkedIn
Oliver Gerhardt
OLIVER GERHARDT

Our technical brain and the wizard at RumX

"My current favorite rum is RX17317. Jamaican funk, marzipan, overripe fruit, slightly meaty notes. The 18 years of tropical maturation have produced an absolute explosion of flavors!"

LinkedIn
Katharina Philipsen
KATHARINA PHILIPSEN

Solves problems before they become ones

"If everyone drank as little rum as I do, RumX would have gone bankrupt long ago. But I make sure with all my heart that your concerns are resolved quickly and nothing falls through the cracks."

LinkedIn
Jakob Schellhorn
JAKOB SCHELLHORN

Sharpens our strategy and thinks ten steps ahead

"If RumX had existed ten years ago, I would have been spared many a detour on the way to highlights like RX39. Its aromatic complexity hits my taste exactly."

LinkedIn

Meet Us at Rum Festivals

To stay informed about the latest trends in the rum world and maintain connections with our international RumX community and partners, we regularly attend the most important rum festivals, including Whisky Live Paris, Rhumfest Paris, and the German Rum Festival.

Would you like to meet us in person? Feel free to write to us here so we can arrange a meeting.

The RumX team with Jakob Schellhorn and freelance Fine Spirits Expert Robert Bauer at Whisky Live Paris 2025
Whisky Live Paris, September 2025: The RumX team with our advisors Jakob Schellhorn (left), who has been supporting the team on strategic digital topics since 2018, and Robert Bauer (right), who has been creatively driving content creation as a freelance Fine Spirits Expert since 2026.
Independent proof

RumX in the press

Stern, Stuttgarter Zeitung, Rumporter and others have covered our journey from a Stuttgart passion project to the world's largest rum platform. And for what buyers say, read our reviews on Trustpilot.

Help us build what you need

We want to understand your frustrations, your wishes, your daily workflow with rum. No sales pitch, just a real 20-minute conversation with the founders.

How to reach us

App feedback & help

Something not working or you have an idea for RumX? Write to support@rumx.com.

For shops

You run a shop and want to offer your rums on RumX? Get in touch at partners@rumx.com.

Everything else

Press, collaborations, or simply rum talk: info@rumx.com.