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Your Secret Sauce to Reach Users Anytime: Context Signals That Matter

Most apps still push offers at fixed times - but real-world behavior doesn’t work on a clock. People shop when they’re sitting idle, not rushing out the door. With ContextSDK’s on-device AI, you can detect moments like calm evening browsing or idle commuting and trigger the right nudge at exactly the right time.
Cecilie Auersperg
September 2, 2025

Introduction

Every app team dreams of reaching the right user at the right moment. Yet most engagement strategies still rely on blunt tools: fixed intervals, past averages, or generic segmentation. The truth is that users don’t live by static schedules. They live in moments. And those moments are shaped by subtle real-world conditions — many of which you can actually detect.

At ContextSDK, we’ve built our platform around this principle. Our on-device AI listens to 200+ smartphone signals, turning everyday context — like whether a user is sitting still, commuting, or plugged in — into smarter engagement decisions. This isn’t about adding more notifications. It’s about knowing when a nudge or paywall feels natural instead of intrusive.

Why Signals Beat Static Schedules

Research shows that engagement depends as much on when as on what. People buy, scroll, or interact differently depending on tiny contextual factors:

  • Sitting vs. moving: Users are far more likely to complete a purchase when seated and focused than when rushing between tasks.
  • Battery state: A nearly full battery correlates with longer, more exploratory sessions — a great moment for discovery. A low battery? The wrong time to ask for anything demanding.
  • Screen interaction: If the phone is idle on a desk, it’s a signal the user is distracted. If the screen just lit up in a quiet evening moment, they may be receptive to browsing.
  • Morning in bed vs. evening on the couch: Morning scrolls are often rushed — fine for light content but poor for conversions. Evening idle browsing, however, is prime for subscription prompts or bundles.
  • Commuting: Some users enjoy entertainment during their commute (ads, content snippets), but they’re unlikely to complete long flows like annual upgrades.

These real-world contexts are the “secret sauce” most apps miss. They explain why static rules like “send a push at 10 AM” fail — because 10 AM looks very different depending on where and how the user is.

How ContextSDK Makes It Actionable

That’s where ContextPush and ContextDecision come in:

  • ContextPush waits for the right moment — idle, stationary, attentive — before releasing a push notification. Instead of sending blindly, it ensures your nudge lands when the user can actually respond.
  • ContextDecision adapts in-app flows and monetization. For example, show a quick version of onboarding if the user is on the go, or surface a discounted upsell only if context signals suggest they’d otherwise skip.

Together, they turn raw signals into engagement intelligence. You don’t have to guess when users are “in the mood” — your app reads the room for you.

Conclusion

Context is the missing layer in app engagement. By tuning into everyday signals like motion, battery, or screen state, you can align your asks with the user’s real-world moment. The result? Notifications that feel welcome, paywalls that convert, and users that stick around.

Your secret sauce isn’t more content or louder pushes. It’s context. And with ContextSDK, you can finally use it to reach users anytime — but only when the time is right.

‍

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Your Secret Sauce to Reach Users Anytime: Context Signals That Matter
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Founded by Felix Krause and Dieter Rappold.
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