How it works

Every plan comes from the same engine, and every item can explain itself.

1. Questions that matter for your change

Each change has its own questions. They appear only when they’re relevant: say you use WhatsApp, and we ask nothing about Signal unless you mention it.

2. Rules connect your answers to dependencies

A dependency is something your change can affect, like “Google Account recovery phone” or “MX records”. Rules decide which dependencies apply. For example: if you’re changing your phone number and your Google account uses it for recovery, the plan adds the Google recovery item. Every item shows the answers that caused it under “Why this appeared”.

3. Risk levels

Each item gets one of four levels. Colour is never the only signal: each level also has its own shape and name.

Critical risk Missing it could lock you out, stop money moving or take a service offline.
High risk Missing it could interrupt something you rely on or make recovery harder.
Moderate risk Usually an inconvenience you can fix later.
Low risk Good housekeeping.

The overall risk is Critical with five or more critical items, High with two or more critical items or eight or more high items, Moderate with one critical item or a few high ones, and Low otherwise. Some answers raise it, such as an old phone number that has already stopped working.

4. Confidence

Items are marked high confidence, likely, or possible. “Possible” items may not apply to you, and you can hide them.

5. A safe order

Items are grouped into steps across stages: before the change, during, immediately after, verify, clean up and later. The order keeps the old thing working until the new one is proven, so you’re never cut off halfway.

6. Official sources, not guesses

Where a provider or government process matters, we link to the official page and note when it was last checked. We don’t state provider timelines we can’t verify; where timing matters we tell you to confirm the current policy.

Deterministic, not AI-generated

Plans come from structured content and rules, not from an AI model. The same answers always produce the same plan. See a real example in the phone number guide.