Build a Visual Time Calendar for ADHD Adults

1. 1

   Choose the wedge before writing code

   The category leader owns routines-plus-visual-planner. Underserved wedges include: sitting on top of the user's existing work calendar instead of replacing it, the get-out-the-door problem (arrive-by chains with travel, parking, and transition buffers), and ambient displays (tablet on the desk, watch face) that make time visible without opening an app. Pick one and be the best in the world at it.

2. 2

   Design for time perception, not task lists

   The core rendering decision: time as space and color that visibly depletes, not numbers. Countdown-to-transition, now-line pressure, and buffer visualization are the product; every list feature you add drags you back into competition with generic to-do apps.

3. 3

   Never punish

   No streaks, no red overdue badges, no guilt copy. The bank's other ADHD cards follow this rule for a reason: shame-based mechanics cause churn in exactly this audience, and gentle re-entry after a derailed day is a marketable feature.

4. 4

   Integrate rather than migrate

   Read from Google and Microsoft calendars from day one. Asking users with executive-function challenges to maintain a second calendar is a death sentence; being the visual lens on the calendar they already keep is the low-friction wedge.

5. 5

   Price affordably and validate with a waitlist

   Consumer subscriptions in the low monthly single digits with a meaningful free tier match this market's expectations. Build the waitlist from ADHD forums, creators, and coaches with honest demo clips before the app store listing exists.

6. 6

   Recruit the recommenders

   ADHD coaches, therapists, and occupational therapists field which-app-should-I-use questions constantly. A free professional dashboard or referral code costs little and puts you in the answer.

7. 7

   State the health boundary

   This is a planning tool, not a treatment, diagnosis, or medical device, and marketing must never claim otherwise. Keep clinical language out of the store listing and let the community's own words carry the value.

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Best for: A builder with lived ADHD experience or close access to it, who will design from how the brain actually behaves instead of how productivity culture says it should

Not for: Anyone building a sprawling lifestyle platform, and anyone who assumes the category is closed. The proven category rewards focused wedges the leader has not taken.