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Vol. I · No. 4Published MondaysEst. 2026

The Notebook

Notes on growing mobile subscription apps, written by Finu Shaheem.

Lead story · Trials26 October 2026

3-day or 7-day trial? How to decide

Trial length changes who starts and who stays. A simple way to pick the right length for your app, and the one number to watch.

By Finu Shaheem2 min read Read the story →

Contents

  1. IV. 3-day or 7-day trial? How to decideTrial length changes who starts and who stays. A simple way to pick the right length for your app, and the one number to watch. Trials2 min
  2. III. Your paywall is your real pricing pageMost people decide on the first paywall view. What to show, what to cut, and why the yearly plan usually comes first. Paywall2 min
  3. II. Downloads don’t matter until day 7 doesIf people leave in their first week, more installs only make the leak bigger. The one number I check first. Retention1 min
  4. I. Pricing your first subscription without guessingStart from what a user is worth, not what competitors charge. A simple way to set a first price and when to change it. Pricing1 min
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