100k+ downloads. €20M raised. Two years embedded. They just extended for another six months.
Trial to 2-Year Partner
I told them: try us for a month free. If we're not better, walk away. That was two years ago.

Helping users make smarter choices for a sustainable future









One month free trial. Two years and counting.
They were with an agency that promised everything and delivered slow. We offered a free month: if we're not better, walk away. Two years later, they extended for another six months. Unprompted.
Their agency promised everything. Delivered slow.
Ostrom had just raised €20M. 100k+ downloads. Moving fast. Their agency offered unlimited requests per month but delivered slow. When you're scaling, slow is expensive. They needed a partner who ships, not one who promises.
Paying for "unlimited" and getting slow turnarounds.
€20M raised, 100k downloads. Can't afford to wait on vendors.
Headcount growing fast. Needed a partner who scales with them.
One month to prove it. Two years later, still here.
We didn't write a proposal. We offered a deal: one month free, head-to-head against their current agency. If we're not better, walk away. No cost. No commitment.
The trial
UX design, marketing support, feature work. We became part of the team. Employees changed. We stayed.
Embedded
UX design, marketing support, feature work. We became part of the team. Employees changed. We stayed.
We don't track NPS. We track renewals.
2+ years embedded, 6-month extension unprompted
They didn't renew because of a pitch deck. They renewed because we delivered. Every week. For two years.
100k+ downloads, €20M raised
Ostrom is scaling fast. They can't afford slow partners. We kept pace.
Germany's first EV virtual power plant
We designed the VPP feature that made them first to market. Users save up to 50% on charging costs.

Evaluating vendors for your next initiative? We'll prototype it while you decide.
Your shortlist sends proposals. We send a working prototype. You decide who gets the contract.
