In this week's episode, I speak with David Barnard, a well-known independent app developer, the host of the Sub Club podcast, and the Growth Advocate at RevenueCat. This is the fourth installment of the MDM Mailbag series, where questions for guests are sourced from the Mobile Dev Memo community.

Among other things, we discuss:

• The viability of link-out following Apple's policy change and how developers are integrating it;
• How independent app developers can build sustainable businesses;
• Retention strategies for subscription apps;
• When developers should utilize subscription monetization versus other forms.

Thanks to the sponsors of this week’s episode of the Mobile Dev Memo podcast:

• INCRMNTAL⁠⁠. True attribution measures incrementality, always on.
• ContextSDK. ContextSDK uses over 200 smartphone signals to detect a user’s real-world context, allowing apps to deliver perfectly timed push notifications and in-app offers.

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