Meet Lifestack: the only calendar that optimizes your health and productivity. We’re launching the Closed Beta today.

Lifestack
4 min readApr 1, 2024

Just 4 months ago, we began developing Lifestacka calendar designed to help users schedule their day based on their energy levels, utilizing health data from wearables and smartphones.

For the past 3 months, we have been running our Alpha testing on TestFlight. Today, we are transitioning from TestFlight to both the App Store (iOS) and Play Store (Android) to kickoff our Closed Beta testing!

Note, for the closed beta, you’ll need an invite code from us — from signing up — or an invitation from a friend.

Health and Productivity

Our biggest conviction is that we believe health and productivity go hand in hand. While it’s ideal to aim for 8 hours of sleep, 2 hours of exercise, and 30 minutes of meditation, this advice is not feasible nor sustainable for busy individuals. On the flip side, chasing the most productivity without regards for our health can have adverse effects — resulting in burnout and ultimately reducing productivity. Everything is a balance!

The team at Lifestack is passionate about wearable technology but we’ve noticed a common issue: the advice from wearables is severely generic — lacking personal context. For example, an app may advise someone to sleep at 10pm without regards for their unique late-night schedules.

We believe that personalization will further enhance the experience with balancing productivity and health. Instead of the generic “8 hours of sleep,” we provide personalized guidance like “since you have late-night meetings tonight, try taking a nap between 3–4PM.”

A recent trend prediction for productivity tools in 2024 by Keep Productive, a prominent media outlet in the productivity space, caught our attention. They highlighted the intersection of health and productivity as a significant area for growth

“One of the biggest untapped areas in productivity enhancement is health, and I think over the next year, there will be a few startups in the productivity space that begin to weave this into their thesis and concept as an application.”

We aim to address these gaps with Lifestack, the only calendar app that optimizes both your health and productivity.

So how does Lifestack work?

Lifestack currently allows you to view your schedule for the day, alongside your predicted energy based on data from a wearable device. You can shift when you tackle tasks and take breaks using our calendar interface! Furthermore, we’ve prepared well-studied interventions to provide small energy boosts when you are feeling tired or groggy — our AI Scheduler will automatically generate suggestions for when to take these little breaks based on your schedule and energy levels!

To get started with Lifestack, connect your wearable device (like Apple Watch or Fitbit) to the app. You can use the app without a wearable too! Once connected, the application uses your previous night’s sleep, along with predictions of energy based on your circadian rhythm to generate these energy predictions. You can also manually adjust your energy levels based on how you feel after each calendar event to continuously personalize the energy prediction.

Future roadmap

Our ultimate goal is to become your AI Assistant that knows you and your body! And there are a ton of improvements we have planned to reach this goal!

We’re eager to integrate additional metrics from wearables such as HRV and stress to enable further personalization of your energy levels. Let us know what devices and metrics you’d like to integrate in our Roadmaps Page.

Our AI Scheduler only supports energy boosts currently, but we envision a single-click that takes your TODOs, calendar, and health goals to suggest an optimal schedule to check off as many boxes in an efficient manner. Tackle heavy tasks with high energy and recover when low energy! Feedback regarding what your dream scheduling workflow would be is critical — we may even create your ideal AI Scheduler.

If you have any other features you’d like to suggest, we’re all ears! Please share your requests on our feedback board: https://lifestack.canny.io/

While there’s much room for improvement, we’re committed to making rapid advancements.

If you’re interested in joining us on this journey into the future, we invite you to start using our app today! Together, we can shape the future of health and productivity.
https://lifestack.ai/

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Lifestack

The only calendar that optimizes your health and productivity.