Free, every Tuesday

Win Them Over: a newsletter on winning users.

Each issue covers what gets people to sign up for an app, pay for it and keep coming back, drawn from the companies and researchers who test it. You get one principle and five findings, each with something to try in your own app.

You can unsubscribe any time. See the privacy notice.

Read past issues

What’s in an issue.

  1. 01

    The principle of the week

    One idea from psychology or UX research, the evidence behind it, and an app that uses it well.

  2. 02

    Five findings

    What a company or researcher tested or found, with the numbers, and one thing to try in your own app.

  3. 03

    A link to each source

    Every finding links to the original, so you can read it in full.

What it covers.

UX research
What testing with real people shows about designing screens, forms and flows
Behavioural science
The psychology of how people make decisions, and what it means for your app
Conversion rate optimisation
The tests companies run to get more people to sign up, buy or book
Subscriptions and retention
Free trials, paywalls, pricing, and what keeps people paying
Product analytics and growth
The numbers worth watching, and how apps find and keep users
Case studies from well-known apps
What Duolingo, Airbnb, Spotify and others learned from changing their apps
AI features
How to build AI into an app so people trust it and keep using it

Where the findings come from.

Nielsen Norman Group, Baymard Institute, Conversion Rate Experts, RevenueCat and Growth.Design, and the product and engineering blogs of companies such as Duolingo, Airbnb and Spotify.

Who writes it.

Ahmed Gadir, a senior software engineer with eight years’ experience who builds MVPs at GadirLabs.