Life by Synheart
Read your state, privately
About
This app analyzes your behavioral and biosignal data to provide insights into your mental and physical state. It offers daily readings on readiness, stress, and recovery, with a conversational AI companion for personalized feedback. Privacy is a core focus, with on-device processing and no capture of personal content.
What's New in Life by Synheart
1.0.11
August 8, 2026
Minor fixes. Smoother experience.
Subscription plans
Syni Plus (Monthly)
Cloud Syni, multi-device sync & web dashboard.
Developer apps
FAQ
What is Life by Synheart?
Life by Synheart is a lifestyle app that analyzes your behavioral and biosignal data to provide insights into your state, such as focus, stress, and recovery. It uses a Human State Interface (HSI) to interpret signals like typing rhythm and heart rate.
How does Life by Synheart protect my privacy?
Privacy is a foundational aspect of Life by Synheart. It processes data on-device by default, never captures text, passwords, or content, and allows you to export or delete your data anytime. Wearable integration is optional.
What kind of data does Life by Synheart analyze?
The app analyzes behavioral data like typing rhythm and biosignal data from wearables, such as heart rhythm and heart rate variability (HRV). It focuses on signals your body and behavior naturally produce, not explicit content.
What are the benefits of using Life by Synheart?
Life by Synheart helps you gain a clearer sense of your own state, providing daily readings on readiness, regulation, mental load, and restorative levels. It aims to offer plain language indicators of your patterns.
What is Syni, the conversational companion?
Syni is the conversational aspect of Life by Synheart. It reads your recent HSI signals and discusses what they suggest, offering a private, on-device conversation to help you understand why you might be feeling a certain way.
Does Life by Synheart have ads?
No, Life by Synheart does not contain advertisements. The app is free to use with optional in-app purchases for premium features.
What features are included in Synheart Plus?
Synheart Plus offers unlimited data history (free version is limited to 30 days), encrypted cloud backup, multi-device sync, and long-term trend analysis across weeks and months. It provides a more comprehensive experience.
Is Life by Synheart a medical device?
No, Life by Synheart is not a medical device. It does not diagnose conditions or score you as a person. It describes patterns in your behavior and biosignals, with trends being more important than any single reading.