We write the measurement baseline before you retire a wrapper, a native client, or an ageing hybrid — so the destination build is asked to honour the reports you already defend.
Request a baseline reviewA written inventory of what your current app actually records, which figures will go dark at cutover, and what the destination build must capture before the old version is retired.
Most of the work is reconstruction: clicking the live app, reading the property you already have, and sitting with the person who currently explains the weekly pack. The artefact is a brief, not a hosted product.
A timed check in the weeks around freeze: whether the destination build actually emits the events the baseline named, and which charts will need a footnote on the week you switch stores.
Engagement notes
A mapping from the names your legacy app already uses — screen titles, event strings, user properties — onto the vocabulary the destination SDK and the receiving property will accept.
Engagement notes
A comparison of the first complete reporting period on the new build against the baseline, with a short list of missing events, double counts, and figures that should not be charted year-on-year yet.
Engagement notes
A facilitated half-day with product, engineering, and whoever currently owns the weekly numbers, used to agree what must be instrumented before freeze rather than to present a slide deck.
Engagement notesThey sat with our Android lead and clicked the live wrapper, not the Figma file. Eleven screens we still ship were silent in the property.
Priya Nair, product owner — Pre-migration Analytics Baseline
Store downloads keep arriving. Almost everything else — funnels, retention cohorts, even the meaning of a session — can fail silently if the destination build was instrumented from a vendor template.
Read the note
A cutover is a break in the series. You can still talk about the business, but you should stop pretending the line is continuous unless the identifiers and the event names survived.
Read the noteWe reply within two working days. If the window is already too tight for a full baseline, we will say so and suggest a cutover note instead.
Open a scoping noteRoom at 130E,Patani Road,Kampung Rawa,10150,Malaysia
Telephone +6042831831