Man holding phone to interact with it. Overlay of numerous, incoming phone notifications
March 4, 2025

Too Many Notifications, Too Little Value: How to Optimize Wi-Fi Sensing Alerts

Nobody likes an app that just won’t stop buzzing. At their best, notifications keep users informed, engaged, and in control. At their worst, they become a relentless source of frustration—interrupting daily life, creating anxiety, and driving users to disable alerts or, worse yet, abandon the app entirely. For service providers, it’s a serious risk to user retention, trust, and long-term success. 

For Wi-Fi Sensing applications, the challenge is even greater. Unlike a missed sports score update or a social media ping, these alerts often carry real-world significance—check-ins on your home’s security, caregiving insights, or household activity tracking. If notifications are too frequent, users tune them out. If they lack context, users are left confused. And if they fail to surface important moments, users may lose trust in the system altogether.  

To create an effective and user-friendly experience, applications must strike a balance between delivering meaningful insights and preventing notification overload. The key challenges they face include: 

  1. Lack of Context and Relevance: Many motion detection systems send alerts without context, making it difficult to distinguish between routine movement and a real security threat. Detecting motion at the front door, for example, is useful—but knowing whether that movement stays near the entrance or quickly moves toward the bedroom or kitchen provides critical context. This difference can help determine if it’s just a mail delivery or an unexpected intruder. Without this level of insight, users are left guessing, unsure whether an alert is urgent or simply another routine event.
  2. Generic Messaging: When all alerts sound the same—”Motion detected”—they quickly lose meaning. Users need more than just an alert; they need actionable insights. Where was the motion detected? How long did it last? How intense was the activity? Without clarity, notifications are easy to ignore.
  3. Frequency and Redundancy: If a system repeatedly sends notifications for the same type of event—such as detecting movement every time someone walks through the living room—users become desensitized. Without proper filtering or intelligent event grouping, apps can quickly bombard users with unnecessary alerts.
  4. Lack of Customization Options: Every user has different needs. Some may want real-time alerts for every movement, while others only care about unusual activity at night. Many motion sensing solutions don’t offer enough flexibility in notification settings, making it difficult for users to tailor alerts to their preferences.

Recommendation #1: Prioritize Context-Rich Alerts 

When users are bombarded with too many vague or irrelevant alerts, they may lose trust in the app and begin ignoring all notifications, even the important ones. To prevent alert fatigue and ensure users receive timely, relevant information, notifications should deliver clear and context-rich insights: 

  • Differentiate Critical vs. Routine Activity: Alerts should be tailored to user needs. Security-focused apps should highlight activity at entry points when in Away Mode (e.g., “Unexpected motion detected at the back door – check security feed?”). Caregiving solutions should notify users of unusual activity patterns (e.g., “No movement detected in the kitchen this morning – check in on Dad?”).
  • Focus on High-Value Locations: Not all motion events require an alert. Entryways and exits should be prioritized for security alerts, while bedrooms and bathrooms are more relevant for elder care monitoring.
  • Enhance Message Clarity: Replace vague alerts like “Motion detected” with detailed, context-driven insights (e.g., “Motion detected in the bedroom at 2 AM,” “No movement in the living room for 4+ hours – potential inactivity”).

Recommendation #2: Enhance User Understanding Through Clear Messaging 

Even the most useful notifications fail if users don’t understand them. Confusing, cluttered, or overly technical alerts can frustrate users and reduce engagement. For app developers and service providers, unclear notifications can lead to poor user experiences, higher churn rates, and an increased burden on customer support. To improve comprehension and usability, notifications should be structured for quick, effortless understanding:  

  • Highlight Urgency with Visual Cues: Use distinct colors, icons, or labels to differentiate security alerts from routine updates (e.g., red for security threats, neutral tones for low-priority updates).
  • Make Alerts Actionable Without Overloading Users: Summarize key insights in digestible formats. Instead of overwhelming users with excessive details, provide concise but informative messages (e.g., “Motion detected in the hallway at 2 AM – unusual activity?”).
  • Design Intuitive Notification Settings: Allow users to easily customize notifications with pre-set modes such as “Minimal Alerts,” “Full Awareness,” or “Only Urgent.” Clear labels, tooltips, and brief descriptions should explain the impact of each setting.
  • Digestible Summaries: Daily/weekly reports should present key insights without overwhelming users, using visual representations (e.g., graphs, heatmaps) to highlight trends, security risks, behavioral changes, and home automation opportunities.

Recommendation #3: Intelligent Filtering and Grouping to Minimize Redundancy 

A flood of repetitive notifications makes users more likely to disable alerts entirely, putting them at risk of missing critical updates. Excessive notifications can lead to app abandonment and reduced long-term engagement. To maintain relevance while avoiding alert fatigue, developers should implement smart filtering mechanisms:

  • Group Similar Alerts: Instead of sending multiple alerts for repeated activity, consider consolidating notifications (e.g., “Continuous motion detected at the front door over the last 5 minutes”).
  • Manage Alerts in High-Traffic Areas: Implement cooldown intervals (e.g., delaying alerts for 10 minutes in frequently used areas) and quiet hours to prevent excessive notifications while maintaining awareness.
  • Analyze Notification History for Smarter Adjustments: Provide insights on alert frequency (e.g., “50% of your living room alerts occur between 5–7 PM”) and offer smart recommendations for adjustments.
  • Encourage Regular Notification Reviews: A “Notification Check-Up” feature can prompt users to review and refine settings periodically, ensuring alerts remain relevant.

Recommendation #4: Customizable Notification Settings 

Rigid, one-size-fits-all notification systems often lead to frustration. Some users want detailed updates, while others prefer only urgent alerts. If an app doesn’t offer flexibility, users may disable notifications entirely—defeating their purpose. This can result in lower engagement, reduced retention, and missed opportunities for differentiation. Customization allows users to fine-tune their experience, ensuring notifications are helpful rather than intrusive: 

  • Reduce Notification Fatigue: Allow users to adjust sensitivity levels, set quiet hours, and enable pet/object filters. Lower sensitivity reduces minor motion alerts, while higher settings detect subtle movements.
  • Enable Location-Based Notifications: Let users prioritize motion alerts in critical areas like entryways or bedrooms, while reducing notifications for routine areas.
  • Provide Pre-Set Modes for Different Use Cases: Offer quick adjustment settings such as security, caregiving, or routine monitoring. Multi-user customization could ensure different household members receive relevant notifications.
  • Adapt Alerts with Machine Learning: Adaptive learning can refine alerts by analyzing user interactions and adjusting settings based on ignored or frequently engaged notifications.

Striking the Right Balance: Smarter Alerts for a Better Experience 

When notifications are well-designed, they improve daily life through enhanced security, improve caregiving, and provide meaningful household insights. But when they overwhelm users with excessive or unclear messaging, they risk being ignored—or worse, turned off entirely. For service providers already facing challenges with app user retention, poorly managed notifications can significantly harm user engagement, retention, and trust. By prioritizing context-rich alerts, refining messaging clarity, implementing intelligent filtering, and enabling customizable settings, developers can strike the perfect balance between awareness and usability. The result? A seamless, user-friendly experience that keeps people informed, engaged, and in control—without the notification fatigue.