Alfa Tech vs Project Lean
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Alfa Tech
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The technician's Alpha laboratory is where clinical samples are taken to obtain information about the patient's health to help diagnose, treat and prevent disease or answer any technical question.
Project Lean
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Project Lean is nutrition coaching that names patterns. Most calorie trackers leave you alone with the numbers. Project Lean is different. You scan your meals, and the AI estimates macros automatically. Then it watches the patterns: which days you fall off, which foods you reach for under stress, where your week falls apart, what's actually moving your goals forward. Every day, you check in. The AI coach reads everything: today's meals, your patterns this week, your goals, your weak spots. It names what it sees. Sometimes it pushes back. Always concrete, never generic. Once a week, Insights pulls it all together: habit consistency, mood trends, what's working, what isn't. Project Lean is designed for people who already know nutrition basics and want something to think alongside them, not a tracker that just counts. WHAT YOU GET - AI meal scanning from photos: point your camera at the plate, log the macros - Macro estimation with confidence ratings so you know when to double-check - Daily check-ins for habits, mood, stress, and cognitive patterns - AI coach with full context: your profile, your week, your history - Lean Brain chat: open-ended questions, coach-quality answers - Weekly Insights with pattern recognition across habits and mood - Streak tracking with reset day support (planned cheat days don't break your streak) - Meal templates for foods you eat on repeat - Push reminders at your chosen daily time WHO IT'S FOR People serious about their nutrition who want a thinking partner, not a database. Works for cutting, bulking, recomp, or just keeping yourself honest. PRIVACY Your data stays yours. Meal photos, check-ins, and chat messages are private to your account. We never sell or share your data with advertisers. Sign in is required so your data syncs across devices and you can recover your account. SUPPORT Questions? Reach us at support@theleanbrain.app or visit https://theleanbrain.projectlean.app/support
Screenshots
Verdict
The clearest difference is update cadence: Project Lean at every 2 weeks against Alfa Tech's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Alfa Tech ships an update every 5 weeks, Project Lean every 2 weeks. The most recent releases landed on September 19, 2026 and June 25, 2026 respectively.
| Parameter | Alfa Tech | Project Lean |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Every 2 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 β better | 15.1 |
| Further details β not scored | ||
| Size | 71 MB | 45 MB |
| Age rating | 17+ | 4+ |
| Developer | ALFA MEDICAL LABORATORIES | Stride Performance |
In-app purchases
Alfa Tech
No in-app purchases
Project Lean
No in-app purchases





