What I Did to Shut Down a Personally Developed App with Over 400K Downloads
summary
A solo developer closed WebCollector (≈429K downloads) because Safari full‑page screenshots and ad rule changes made features obsolete and rising Firebase costs turned profit to about −$3,500/month. The shutdown steps were: add account deletion using Firebase Delete User Data, deploy remote config and push notifications to announce closure dates, provide a bulk image export (one user requested 60 GB), and finally flip a remote flag to block the app at the end of March.
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