Stackd vs Biohack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stackd
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Stop guessing. Know exactly when and how to take your supplements. Stackd is your pocket guide to supplements — what to take, when to take it, and how much. BROWSE BY GOAL Find the best supplements for: • Better sleep • Gym & performance • Anti-aging • Energy & focus • Liver health • And more... COMPLETE SUPPLEMENT DATABASE For each supplement, get: • What it does • Best time to take it • Recommended dosage • Pro tips for better absorption • Warnings & interactions BUILD YOUR STACK Save your supplements and get a personalized daily schedule. Morning stack, night stack — we'll tell you exactly when to take what. Whether you're into fitness, longevity, or just want to optimize your health, Stackd has you covered. Download now and stop wasting money on supplements you're taking wrong. Privacy Policy: https://7streams.io/stackd-privacy.html Terms and Conditions: https://7streams.io/stackd-terms.html
Biohack
This app analyzes your meals to provide a longevity score based on aging research. It also tracks intermittent fasting, offers personalized nutrient targets, and recommends supplements to optimize your diet for a longer, healthier life.
- AI-powered meal analysis
- Longevity meal scoring
- Intermittent fasting tracker
- Personalized nutrient targets
- Supplement recommendations
- Longevity insights and trends
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What if every meal you eat could add - or cost - minutes of your life? Biohack is the first longevity food coach that scores your meals based on cutting-edge aging research. Stop guessing what's healthy. Start knowing exactly how your food impacts how long you live. MEAL SCORING Snap a photo or describe your meal - our AI analyzes every ingredient and gives you a science-backed longevity score from 1 to 10. See which foods add time to your life and which ones take it away. FASTING TRACKER Track your intermittent fasting sessions with a beautiful, intuitive timer. Monitor your autophagy window and build consistent fasting streaks. Choose from popular protocols like 16:8, 18:6, or OMAD. PERSONALIZED NUTRIENT TARGETS Your body is unique. Biohack calculates your optimal daily nutrient targets based on your age, sex, activity level, diet, and health goals. No generic one-size-fits-all recommendations. SUPPLEMENT INTELLIGENCE Discover your nutrient gaps and get personalized supplement recommendations. Track your stack and build better habits with daily reminders. LONGEVITY INSIGHTS See your weekly and monthly trends. Understand how your eating patterns affect your biological aging. Get actionable coaching tips to optimize your nutrition for a longer, healthier life. KEY FEATURES • AI-powered meal analysis from photos or text • Science-backed longevity scoring for every meal • Intermittent fasting tracker with autophagy insights • Personalized daily nutrient targets • Supplement gap analysis and recommendations • Vitamin D intelligence based on your location and season • Daily streaks and longevity milestones • Beautiful dark mode support THE SCIENCE Biohack is built on peer-reviewed research in nutritional gerontology, caloric restriction, autophagy, and nutrient optimization. Every score reflects what science knows about how food affects aging at the cellular level. YOUR DATA, YOUR PRIVACY Your health data stays yours. We never sell your data or share it with advertisers. See ourprivacy policy for details. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://buettnerlabs.com/terms Privacy Policy: https://buettnerlabs.com/privacy Start your for free and discover how your food choices shape your future.
Screenshots
Verdict
The clearest difference is iOS requirement: Biohack at 17.0 against Stackd's 26.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Stackd sells 2 in-app purchases, starting at $3.99 per month and Biohack sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Stackd | Biohack |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | — | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 175 MB |
| Age rating | 17+ | 12+ |
| Developer | Joan Cardona | Buettnerlabs LLC |
In-app purchases
Stackd
- Pro monthly$3.991 Month
- Pro Yearly3 Days trial$19.991 Year
Biohack
- Monthly14 Days trial$4.991 Month
- Yearly14 Days trial$29.991 Year









