Notes
Notes from building Dayzle
What we learn making a daily brain-games app, with the numbers. Marketing, measurement, and the occasional mistake.
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September 11, 2026
I spent $220 on Google app ads. 60% of the installs were robots.
Google reported 21 installs in a day. The admin panel said 1. What the other 20 were, how a bot farm gets paid, and what we changed.