Reviews

Notes from people who still have to send on Monday.

These are not composite quotes. Attribution styles vary because operators share feedback differently — some on the internal LMS, some by email, some only with a first name.

“Cohort Signal Architecture’s leakage lecture saved us from counting win-back buyers who had already opened a brand push the same morning. We rewrote the entry event before week three.”

Nalinee Prasert · Measurement lead, Bangkok department store

“I wanted Quiet-Hour Calibration Lab to tell me the perfect local hour. It did not. It gave me a fatigue score and a rule: if unsubscribe slope steepens after 21:30 ICT, stop arguing with creative.”

Ploy · Hat Yai

The spreadsheet templates in Journey Attribution for CRM Teams assume a reasonably clean event log. Our warehouse was messier than the course examples, so the first week was slower than advertised. Once the names were stable, the reactivation vs retention split finally made sense.

Client in travel marketplaces

★★★★☆

“Reactivation Lift Studio was short and opinionated. I still disagree with skipping SMS in week one, but the holdout size they insisted on was the right stubbornness.”

Internal LMS · 4 / 5 · March 2026 cohort

Two colleagues reviewing a document together

Case desk · fashion retail

Holdouts after a celebrity drop

A Bangkok fashion group joined Signal Atelier with a reactivation series that “always worked” during celebrity collaborations. The series was firing into the same audience as a paid brand burst. In module three they rebuilt the holdout so anyone exposed to the burst was excluded for 72 hours.

Repurchase in the cleaned holdout fell from a claimed 7.2× lift to a 1.4× lift that finance would actually sign. They kept the series, cut two mid-funnel emails, and now publish the contaminated vs clean comparison on their monthly signal board. The reservation they still hold: celebrity weeks remain noisy, and the course cannot invent a perfect control when the whole country is watching the same livestream.

Small team workshop with sticky notes

Case desk · grocery app

Quiet hours that respected night-shift staff

A grocery client in Quiet-Hour Calibration Lab had been treating 20:00–22:00 as prime time. Night-shift warehouse staff, who also used the app, were unsubscribing after late pushes. The lab overlay split “household shoppers” from “staff shoppers” using a simple badge already in the CRM.

Staff quiet hours moved to 06:30–07:30 ICT. Household quiet hours stayed evening. Unsubscribe slope flattened for staff within three weeks; household open rates barely moved, which was the point. They did not adopt every lab heuristic — they still refuse to suppress cart reminders on payday Fridays — and that disagreement is documented in their board notes.