What is LONGIST?
LONGIST is a longevity-focused nutrition app that uses AI to analyze photos of meals, menus, or barcodes and quantifies the impact of food choices in minutes added to or subtracted from healthy lifespan. It pairs photo-based food logging with an AI Longevity Coach, Apple Health/HealthKit integration, and research-backed longevity scoring to help users make better choices without counting calories.
SpecificationsAI-estimated
Key Features of LONGIST
Use Cases for LONGIST
Personalized Coaching
Use the AI coach for personalized advice based on previous consumption.
Eating Out
Upload a restaurant menu and instantly see which dishes boost longevity.
Health Tracking
Connect with Apple Health to bring in steps, heart rate, and sleep for smarter recommendations.
How to use LONGIST?
Snap
Take a photo of your meal, a restaurant menu, or a barcode to see how each ingredient adds or subtracts minutes from your lifespan.
View Analysis
Instantly see a breakdown of overconsumed and underconsumed nutrient groups from your dish photo.
Receive Guidance
Make better choices in real time, whether at home or eating out, with help from the AI Longevity Coach.
Pros & Cons of LONGIST
Pros
- Fast and intuitive logging — under 35 seconds per meal
- Reframes nutrition in terms of lifespan minutes, making healthy eating more tangible
- Science-inspired scoring references established longevity research and aging labs
- Practical for real-life situations with photo, menu, and barcode scanning
- AI coach and HealthKit data provide personalization and adaptive recommendations
- Leaderboard adds social motivation and habit-building
- Strong privacy stance: HealthKit and scan data remain on-device
Cons
- Currently positioned for iOS/HealthKit; Android/web availability is not mentioned
- Exact lifespan-minute estimates are simplified and cannot guarantee the '13 healthy years' claim
- Subscription pricing may be steep: $24.99/month or $179.99/year after trial
- Free plan vs. 3-day trial messaging is somewhat contradictory
- AI photo recognition may struggle with complex home-cooked or heavily mixed restaurant dishes
- Not a traditional weight-loss/calorie app; users may need to adjust to the longevity metric approach
Frequently Asked Questions
How does Longist calculate longevity impact?
Longist uses real research from leading universities and peer-reviewed nutrition data to estimate how different foods impact healthy lifespan.
Is the scoring scientifically backed?
It is built on the Health Nutritional Index from a Nature Food study and backed by data on over 5,800 foods.
What does a green, red, or yellow score mean?
Each food is scored by how it affects healthspan, adding or subtracting minutes of healthy life.
Is my data private?
Longist does not store HealthKit or food scan data on its servers. Everything stays private and secure on the user's device.
Pricing Overview
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Detailed plans are not listed. Visit the official website for pricing information.
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