StackProof vs Formphyq
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
StackProof
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Most people take supplements and hope for the best. StackProof turns that guesswork into a real personal experiment so you finally know what's working, what's not, and what's worth keeping. HOW IT WORKS StackProof uses a simple 3-phase method used in clinical research, adapted for everyday use: 1. Baseline Phase - Log how you feel for 7 days without taking the supplement. This captures your natural normal. 2. Active Phase - Start taking your supplement daily and keep logging. 60 seconds a day. 3. Review - See a clear before vs after comparison across every metric that matters to you. No guessing. No placebo. Just your own data telling you the truth. WHAT YOU TRACK Every day you log 5 metrics on a simple 1-5 scale: - Energy - Focus - Mood - Sleep Quality - Side Effects Over time, StackProof shows you exactly how each metric shifted from your baseline to your active phase, with a confidence rating based on your consistency. SMART BASELINE After your first experiment, StackProof learns your patterns. On future experiments it can detect when you have enough recent data to skip the waiting period and start the active phase immediately. BUILT FOR REAL BIOHACKERS StackProof is designed for people who take their optimization seriously. Whether you're testing Lion's Mane for focus, Magnesium for sleep, Ashwagandha for stress, or anything else, every experiment gives you a clean structured result you can actually act on. STACKPROOF PRO Unlock the full experience: - Unlimited simultaneous experiments - Full analytics with trend charts across 7, 30, and 90 days - Smart Baseline - skip waiting periods using your recent data - Unlimited experiment history - Custom metrics beyond the default 5 - Data export to CSV - Washout period reminders Start with a free 7-day Pro trial. No charge until the trial ends. Cancel anytime. YOUR DATA Your logs are private and stored securely. StackProof never sells your data or uses it for advertising. Start your first experiment today. Your stack deserves an honest test. Standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Formphyq
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Formphyq turns three photos into a clear, clinical read on your physique โ then hands you the plan to improve it. No guesswork. No vague "you look great." Just a precise Form Score (0โ100), graded muscle groups, and a structured path forward. โ YOUR FORM SCORE, EXPLAINED โ Complete a 3-angle scan (front, side, back) and Formphyq analyzes your build like a diagnostic report: โข Form Score from 0 to 100, benchmarked and easy to track over time โข Per-muscle-group grades โ chest, back, shoulders, arms, legs, glutes, core โข Strengths, weak points, and left/right asymmetries flagged clearly โข Estimated body-fat % and FFMI (Fat-Free Mass Index) Prefer a quick check? A single photo works too โ areas we can't see get a general plan. โ A PLAN BUILT FOR YOUR BODY โ Your results aren't the finish line โ they're the input. Formphyq generates: โข A structured workout program targeting your specific weak points โข A nutrition plan with calorie and macro targets for your goal โข Clear priorities so you train smarter, not just harder โ AN AI COACH IN YOUR POCKET โ Ask anything. Your AI coach explains your scores, adjusts your plan, swaps exercises, and keeps you accountable between scans. โ TRACK REAL CHANGE โ Re-scan anytime and watch your Form Score and muscle grades move. Honest data beats the mirror โ see progress you'd otherwise miss. โ PRIVACY-FIRST BY DESIGN โ Your photos are sent securely, used only to generate your result, then discarded โ never stored on our servers, never used to train AI models. โ WHO IT'S FOR โ โข Lifters tracking hypertrophy and symmetry โข Beginners who want a clear starting point and direction โข Anyone tired of guessing whether they're actually progressing Scan. Score. Improve. Download Formphyq and get your Form Score today. โ SIMPLE, ONE-TIME PRICING โ No subscription. No auto-renew. You pay once for what you use: โข Each physique scan is a one-time purchase โข Your AI workout + nutrition program is a one-time purchase, built from your scan โข The 24/7 AI Coach is a one-time lifetime unlock โ pay once, it's yours forever Your local price is always shown before you buy. Formphyq provides fitness estimates for informational purposes and is not a medical device or medical advice. Privacy Policy: https://formphyq-backend-production.up.railway.app/privacy Terms of Use (EULA): https://formphyq-backend-production.up.railway.app/terms
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Verdict
The clearest difference is iOS requirement: StackProof at 15.1 against Formphyq's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. StackProof sells 3 in-app purchases, starting at $1.99 per month and Formphyq sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.
StackProof ships an update weekly, Formphyq every 5 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.
| Parameter | StackProof | Formphyq |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 5 days โ better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod โ better | iPhone |
| Requires iOS | 15.1 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 42 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | joel Saucedo Lozano | Abdullah Salih KUCUKARSLAN |
In-app purchases
StackProof
- Monthly$1.991 Month
- Yearly$34.991 Year
- Lifetime$59.99
Formphyq
- Formphyq Pro โ Weekly$6.997 Days
- Formphyq Pro โ Monthly$9.991 Month









