Application Not Responding events frustrate users without always producing a clean crash signature. On mid-range Android hardware, map SDKs, image pipelines, and main-thread database work often collide when network quality dips—exactly the conditions courier, field, and retail staff meet outside the lab.
Separate lab devices from yard devices
If your QA fleet is recent flagship hardware on strong Wi‑Fi, ANR rates in testing will understate what depot yards and shop floors experience. When interpreting trends, split by RAM band and network type where your reporter allows. A cluster that only appears below a certain RAM threshold deserves earlier attention than a rare freeze on a premium handset your executives carry.
Tie ANRs to the release that changed the main thread
ANR climbs after a library bump are common. Diff the main-thread work introduced in that release: new synchronous calls, heavier JSON parsing, or UI work moved off a background path by accident. Your crash trend interpretation should name the suspected change even when absolute proof waits on a fix verification build.
What “good enough” looks like before a campaign
Perfect ANR charts are rare. Document residual risk: which device bands still show elevated freezes, how large that population is, and what support messaging you will use if the campaign ships. That honesty travels better than a slide that only shows the aggregate improving.