Prev8
Talk. Log. Improve.
Free · In-App Purchases · Designed for iPad. Not verified for macOS.
Energy Twin - Prev8
Human Performance. Measured Daily.
PREV8 helps you understand your body, improve your health, and make better decisions every day. Try out making your energy twin today, login, create an avatar and choose your outfit and visualise performance.
Simply speak to your AI health companion and PREV8 automatically logs your food, hydration, supplements, recovery, biomarkers, and daily habits - all in seconds.
No spreadsheets.
No endless forms.
No complicated tracking.
Just talk.
Whether you're focused on energy, recovery, weight loss, longevity, or overall wellbeing, PREV8 brings your health data together in one place and turns it into clear, actionable insights.
Built for busy professionals, parents, athletes, and health-conscious individuals who want real answers - not more complexity.
WHY PREV8?
• Voice-first health tracking
• AI-powered health companion
• Personalized daily insights
• Track trends over time
• Connect your favorite health devices
• Export and share reports with practitioners
• Secure and private by design
TRACK WHAT MATTERS
Nutrition
• Scan meals with AI
• Track calories and macros
• Log food instantly
Hydration & Recovery
• Water intake
• Sleep and recovery metrics
• HRV and readiness insights
Biomarkers
• Urine and saliva pH
• Electrical Conductivity (EC)
• Nitrates
• Carbohydrates
• Hydration indicators
• Longevity-focused metrics
Supplements & Protocols
• Track supplements
• Upload practitioner protocols
• Access recommendations through voice
AI HEALTH COMPANION
Speak naturally.
"Log my breakfast."
"Add 2 litres of water."
"Record my supplements."
"How has my recovery been this week?"
PREV8 remembers the details and keeps everything organized automatically.
SEE THE BIGGER PICTURE
Your health data is transformed into easy-to-understand scores, trends, and recommendations so you can make smarter decisions with confidence.
PRIVATE BY DESIGN
Your data belongs to you.
• Encrypted and secure
• Export anytime
• Share with your coach, practitioner, or doctor
• Never sold
Build better habits.
Understand your body.
Perform at your best.
PREV8
Human Performance. Measured Daily.
Terms of Use (EULA):
https://prev8.ai/terms
Ratings & Reviews
Improved apple CarPlay and Siri connection
The developer, Calz Tracker, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Purchases
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Purchases
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Health & Fitness
- Contact Info
- User Content
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Human Health Manual Pty Ltd
- Size
- 59.6 MB
- Category
- Lifestyle
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Classification
13+
- 13+
- Infrequent
Mature or Suggestive Themes
Medical Treatment Information
Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Prev8 Pro $59.99
- Copyright
- © 2026 Human Health Manual Pty Ltd