I grow apps people pay for.

I lead growth and product at Mobiversite, whose apps are used by tens of millions of people around the world. Most of my work goes into growing subscriptions in Tier 1 markets.

Say hello mert@demirdelen.com

4.7 ★ average App Store rating
across the apps on this page

My home screen. Tap any app.

A few of the apps I’ve helped grow. There are more, on iPhone and on the web.

The job

The work is mostly questions.

  • Which ad network is telling the truth about its results?
  • Why did the paywall that won in March lose in May?
  • Why is the ugliest ad the one that makes the money?
  • Why did the App Store drop us a page overnight?

None of them has a permanent answer. Markets shift, so the real work is to keep testing and to remember what you learned.

What I bring

Where I’m most useful.

Subscription apps

Paywalls, trials, pricing and renewals. I pay the most attention to the second payment, because that is where a product shows its real value.

Product ideas

AI music, garden design, ancestry, comics, a GLP-1 tracker. Good ideas usually start as small bets with a clear way to measure them.

Bringing people together

Engineering, creative, analytics and marketing working from the same numbers toward the same goal. Most of the speed comes from that.

Leading teams

I built our growth team across ads, creative and product. I hire for judgment and spend much of my time helping people grow into bigger roles.

Where I scale

Used around the world, grown in the toughest markets.

Tens of millions of people use the apps I’ve worked on. My focus is Tier 1 markets like the US, UK and Germany, where expectations are highest and each subscriber is worth the most.

Let’s talk.

Always glad to compare notes on apps, subscriptions and the teams behind them. Email reaches me fastest.

Say hello mert@demirdelen.com