Journal
Short notes from application analytics work—instrumentation traps, funnel lies, and honest limits.
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Stop trusting charts the week after an SDK upgrade
Version bumps change session rules and identity stitching before they change the product.
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Funnel steps that never fired on the devices you ship to
A cliff in the report can be a silent miss on Android—not a product failure.
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KST cohorts and the midnight that quietly moves retention
Day-one retention shifts when warehouses stay on UTC and product calendars stay on KST.
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What softwareengineerzone sells—and what it does not
Expect clearer measurement decisions, not a managed dashboard service or growth guarantee.
