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Max is your personal AI partner built into MaxDex AI. It operates across multiple modes: Chat AI for on-demand conversation, the Morning Briefing voice call to start your day, and the Evening Debrief to close it. Max has full awareness of your active goals, scheduled planner blocks, and daily health metrics, allowing it to give advice that is contextually relevant to your actual life — not generic tips.

Each morning, MaxDex AI prepares a personalized script based on your planner schedule, active goals, and recent health data. Max then delivers this as a real-time AI voice call. The briefing is designed to be focused and brief — typically under 2-3 minutes — helping you lock in your top priorities before distractions kick in.

The Evening Debrief is a guided AI voice session to close your day. Max reviews what you accomplished, surfaces any gaps in your goals or tasks, and sets up a clear mental agenda for the next morning. It is designed to help you decompress and extract learnings from the day.

The Chat tab gives you direct, text-based access to Max at any time. You can ask Max for productivity advice, goal strategy, habit formation guidance, or general life coaching. Max uses your goals and health context to give tailored answers. The Goal Chat feature provides a more focused conversation experience specifically oriented around a single goal's strategy.

The Roadmap is a 5-phase strategic plan for your goals. Max analyzes your goals, chat history, and current vitals to determine which phase best fits your current situation. Each phase includes a focus statement, a weekly task plan, and success metrics. Activating a phase automatically populates your planner and task list for the next 14 days.

MaxDex AI counts steps with your device's built-in motion sensor, and on iPhone can also read step count from Apple Health where you grant permission. Detailed step history stays on your device. A short personalisation summary may be included in your Firebase snapshot so AI coaching can reference today's activity.

Sleep tracking uses on-device detection and/or Health data when you grant access. Sleep hours and energy patterns are logged locally. A summary may be included in your cloud personalisation snapshot for AI briefings — not as a permanent raw Health archive. The full detection method and its accuracy limits are documented at /methodology/sleep-detection-without-a-wearable.

The Energy Index sums seven weighted physiological drivers — circadian rhythm, sleep pressure, metabolic response, training load, movement, cognitive load and sleep inertia — into an arousal value, then maps it through a sigmoid onto 0-100. The complete formula and every constant are published at /methodology/how-the-energy-index-works.

Tap 'Log Meal' in the Physical tab. You can describe your meal in text or take a photo. The image/description is analysed by Gemini / Vertex AI for that request; MaxDex does not keep a permanent photo archive of those scans. Meal logs are saved locally on your device.

Tap the Goals tab, then the '+' button. Choose a category (Career, Fitness, Mental Health, etc.) or create a Custom goal. Write a description of what you want to achieve, and Max will use this context to personalize all coaching and roadmap suggestions.

Every goal has a dedicated coach. When you tap 'Chat' on a specific goal, Max acts as a specialized coach, asking targeted questions to understand your motivations. This history is used to generate your personalized Roadmap.

Once Max has enough context, you can open the Roadmap. It generates an active phase tailored to your readiness (Phase 1 to Phase 5). Tapping 'Activate' adds the tasks and schedule blocks directly to your Planner for the next 14 days.

We use your email and account ID for login and entitlements. Detailed health logs, goals, and planner data stay on your device. A replaceable personalisation snapshot is synced to Firebase so scheduled AI calls and coaching can work. Voice, chat turns, and meal photos sent to Gemini / Vertex AI are processed for that request and are not permanently archived by MaxDex.

Your full day-by-day Health history stays on-device. We sync a summary snapshot to Firebase so Morning Briefing / Evening Debrief and other AI features have the context they need. That snapshot is overwritten as your data updates, is never sold or used for advertising, and is deleted when you delete your account. Live AI request content is processed by Gemini / Vertex AI for that session and is not kept as a permanent MaxDex archive.

In the Android app, subscriptions are billed through Google Play. On iOS they are billed through the Apple App Store. On this website, you can subscribe with Stripe using the same MaxDex account — all unlock the same Pro status. Cancel a website (Stripe) plan from Account on the website, or from Settings → Account in the app (cancel at period end, no new charge). Cancel Google Play in Play Store → Payments & subscriptions. Cancel Apple in iPhone Settings → your name → Subscriptions. The app and website cannot cancel Play or Apple charges for you.

Google and Apple require customers to cancel in-app purchases through their own subscription settings. MaxDex can cancel website Stripe subscriptions from Account on the website or Settings → Account in the app. Store purchases must be canceled on your phone. Account → Billing on the website shows step-by-step links and a help form if you get stuck.

Delete your account in Settings to remove cloud records and the personalisation snapshot (within 30 days). Uninstall the app or clear app data to erase local device storage.