Perceived time and anxiety: clear send status
Observable progress, named waits, timestamps, and uncertain outcomes clarify sending without fake percentages or clinical claims.
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Practical setup
Concrete steps to set up a phone, contacts and reminders before you actually need them.
Set up the phone, notifications and actions so they are understandable, then practise the route with its user.
What changes when we use a phone under stress?
A cautious guide to acute stress, attention, working memory and phone use, with practical principles, a matrix and route rehearsal.
Read the guideWhy practising an app before an emergency matters more than reading a manual
Manual and hands-on rehearsal compared: familiarity, permissions, connectivity, recipients and a brief, announced, non-distressing test.
Read the guideRecognition is easier than recall: applied to safety buttons
How visible labels and stable actions apply to safety controls, with the limits of the heuristic, accessibility checks and backup.
Read the guidePut the safety action within reach on the Home screen
A stable icon or widget, accessibility and locked/unlocked testing matter: tapping opens the flow, it does not send immediately.
Read the guideA safety app with few controls for real tasks
Few controls may help, but simplicity must be checked across tasks with observable criteria and real accessibility.
Read the guideShow essentials and let people expand details
Keep recipients, location, action, and status visible; let secondary detail open without hiding consequences or accessibility.
Read the guideSilent mode and Do Not Disturb: what can change an alert
Silent mode, Do Not Disturb, volume and permission do different jobs: check the real device and prepare a backup channel.
Read the guideUseful errors: known status and next action
A network, permission, or recipient error should separate certainty from doubt and offer one concrete next step.
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