Comparison

WeightSnap vs Protocol Peptide Tracker App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

WeightSnap

Track your GLP-1 and peptide treatments with this comprehensive health companion. It automatically syncs with Apple Health, logs injections, and analyzes your body's response to optimize your journey. Visualize progress with photos and gain insights from an AI coach.

Highlights
  • Automatic Apple Health sync
  • GLP-1 & peptide dose tracking
  • Cycle pattern analysis
  • Reconstitution calculator
  • Daily check-ins & insights
  • Progress photos & comparisons
  • AI coaching with personality
Features
Read full description

Track your shot. See your patterns. Get the verdict. The only tracker built for GLP-1 and peptide protocols that does the work for you. Connect Apple Health and WeightSnap builds your picture automatically: weight, sleep, steps, calories, resting heart rate, workouts. Prefer to skip all that? Three taps a day (ate, moved, dose feel) power the same analytics, no Apple Health and no calorie counting required. Set your dosing schedule once and every dose is queued and ready, one tap to confirm. No account, no sign-in, nothing to remember. Your data stays on your phone. THE VERDICT The Doses tab opens with the answer: Building, Working, Steady, or Worth watching Every word backed by your own numbers: "Down 6.2 lbs over the last 28 days. Dose held strong 4 of 4 cycles." Receipts, not dashboards YOUR WHOLE PROTOCOL, ONE CARD Track retatrutide, tirzepatide, semaglutide, and any peptide, each with its schedule, cycle, and color Popular blends built in: log KLOW, GLOW, Wolverine and more as a single injection Vial inventory: doses left in the open vial, sealed vials on hand, supply dates Injection site rotation with abdomen quadrants, dose reminders, titration history RECONSTITUTION CALCULATOR Enter what's in your vial and how much BAC water you added See the exact units to draw for the amount you set, ready for a U-100 syringe Works with blends too STALL CHECK Trend flat for 3 weeks? Stall Check shows what else changed in the same window Movement, eating, sleep, time on dose, even your Earn It record, all counted against your usual No advice, just what changed. A pattern you can bring to your prescriber WEAR-OFF DETECTION (BETA) Your "fading" days mapped against your dose cycle "Food noise climbs from 2.5 to 5.2 in the last two days before your shot. Rose in 11 of 11 cycles." HOW'D TODAY GO? THREE TAPS A DAY Ate, moved, dose feel, compared to your usual. That's it No calorie counting required. Your feel report builds itself from the taps Or go deep: mood, food noise, energy, sleep quality, side effects, Apple Health imports EARN IT One honest question a day: did you earn it? Your answers build a wall you can see. Finish a short reset clean and it locks in gold Reminders with personality, in the voice you pick CYCLE PATTERN ANALYSIS See how mood, food noise, sleep, energy, and weight shift across each dose cycle Compare cycles at different amounts to see how titration is affecting you Interactive saturation chart with estimated levels, weight overlay, and a projected trendline PROGRESS PHOTOS & COMPARISONS Stunning before and after comparisons in seconds, your stats appear instantly Stickers, background removal, face blur, side-by-side video for sharing Time Machine plays your whole journey back as a slideshow TRACK MORE THAN WEIGHT Body measurements, body fat percentage, notes, goals, milestones AI insights with personality, built on your actual data Import your weight history from Apple Health PRIVACY FIRST No account and no sign-in, ever All data stored locally on your device Progress photos stay on your device unless you request an AI estimate Sync with Apple Health if you choose Whether you're on retatrutide, tirzepatide, semaglutide, or stacking peptides, WeightSnap is the only tracker that connects every shot to how you actually feel, and tells you what it sees. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://weightsnap.app/privacy/

About

Protocol Peptide Tracker App

This app helps users track and calculate peptide dosages, manage supplements, and monitor habits. It offers AI-powered tools for research, protocol building, and data analysis, all while keeping user data private on the device.

Highlights
  • Peptide calculator and reconstitution math
  • Comprehensive protocol tracking (compounds, supplements, habits)
  • Six AI-powered tools (research, check-in coach, stack score)
  • Pharmacokinetic curve visualization
  • 81-compound research library
  • Injection site rotation with 3D body map
  • Bloodwork and lab tracking
Features
Read full description

Protocol is a peptide tracker and peptide calculator for people who actually run protocols. Try Pro free for 14 days. No commitment required. Your protocol deserves better than a spreadsheet. Protocol is the only peptide tracker and peptide calculator built for serious self-experimenters. Pharmacokinetic curves, six AI tools, a peptide calculator, injection site rotation, and the only app that tracks peptides, supplements, and habits together in one protocol. Everything stays on your device. No account. No cloud. No one has your data but you. PEPTIDE CALCULATOR AND RECONSTITUTION MATH Enter your peptide amount, vial volume, and target dose. Get exact BAC water volumes and syringe draw units instantly. The concentration slider lets you dial in your preferred draw size. Works for BPC-157, TB-500, Ipamorelin, CJC-1295, Semaglutide, and all 81 compounds in the catalog. COMPLETE PROTOCOL TRACKING The only peptide app that combines compounds, supplements, and habits in one protocol. Run an injury stack with TB-500, BPC-157, daily collagen, and your rehab routine, tracked together with one adherence score. No other app does this. SIX AI TOOLS BUILT IN Research Assistant: Ask anything about your stack in real time. Half-lives, dosing windows, interactions, side effects. Stack-aware answers from research, not generic internet responses. Check-in Coach: After every daily check-in, the AI analyzes your actual logged data and gives you a personalized read on what's working. Stack Score: AI rates your entire protocol across 6 dimensions: synergy, redundancy, side effects, practicality, goal alignment, and evidence quality. Visualized as a radar chart. Interaction Checker: 30 most common peptide pairs analyzed instantly. Synergy, redundancy, timing recommendations, and caution flags. AI Protocol Builder: Describe your goal and the AI generates a full protocol with compounds, doses, and schedules. Review, edit, and activate in one tap. AI Add Item: Research any compound before you add it to your protocol. PHARMACOKINETIC CURVES See exactly where any compound is in your system right now. Peak concentration, half-life decay, and optimal dosing windows visualized in real time as you log doses. All compounds on one chart simultaneously. No other peptide tracker does this. 81-COMPOUND RESEARCH LIBRARY BPC-157. TB-500. Ipamorelin. CJC-1295. Semaglutide. Tirzepatide. Retatrutide. Testosterone. HCG. Rapamycin. NMN. Semax. Selank. PT-141. GHK-Cu. Epitalon. And 65 more. Every compound includes dosing guidance, half-life, reconstitution notes, and a direct link to the full research profile at protocolapp.health. INJECTION SITE ROTATION Interactive 3D body map. Front and back views simultaneously. Tap to log, pinch to zoom. Color-coded history shows rested, recent, today, and never-used sites at a glance. Rotate correctly every time. BLOODWORK AND LAB TRACKING Log testosterone, IGF-1, estradiol, TSH, fasting glucose, and 80+ biomarkers. Track trends over time. Correlate your bloodwork with your protocol timeline. INVENTORY MANAGEMENT Track vials, remaining amounts, batch numbers, expiration dates, and vendor details. Low-stock alerts before you run out mid-cycle. PROGRESS TRACKING Daily wellness check-ins, weight tracking, body measurements, progress photos, and adherence streaks. Navy method body fat calculation. APPLE HEALTH INTEGRATION Reads steps, sleep, and heart rate. Writes weight, body measurements, and mindfulness sessions back to Apple Health. EXPORT EVERYTHING Full data export as CSV or PDF. Dose logs, protocols, weight history, and body metrics shareable with your healthcare provider. PRIVATE BY DESIGN No account required. No cloud sync. No data collection. Everything lives locally on your device. Data Not Collected, verified by Apple. Face ID lock and Stealth Mode available. For personal tracking and educational purposes only. Not medical advice.

Screenshots

WeightSnap4 screens
Protocol Peptide Tracker App4 screens

Verdict

The call

The clearest difference is ratings volume: WeightSnap at 90 against Protocol Peptide Tracker App's 9. On price, rating, review sentiment and update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. WeightSnap sells 3 in-app purchases, starting at $7.99 per month and Protocol Peptide Tracker App sells 5 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for WeightSnap against 5.0 for Protocol Peptide Tracker App. That said, the two scores are not equally well evidenced: WeightSnap has 90 ratings behind it against 9, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

Scorecard1 real difference · 9 level
WeightSnap versus Protocol Peptide Tracker App: the parameters behind the verdict, then further details
ParameterWeightSnapProtocol Peptide Tracker App
PriceFreeFree
Rating5.0 (90 ratings)5.0 (9 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings90 — better9
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS17.616.0 — better
Further details — not scored
Size30 MB49 MB
Age rating4+17+
DeveloperTYLER LAWRENCE BROWNIMA, LLC

Customer experience

WeightSnap

All ratings90 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Protocol Peptide Tracker App

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

WeightSnap

Subscriptions2
  • WeightSnap Premium (Monthly)$7.991 Month
  • WeightSnap Premium (Yearly)14 Days trial$34.991 Year
One-time1
  • WeightSnap Premium - Lifetime$69.99
5 purchases

Protocol Peptide Tracker App

Subscriptions2
  • Protocol Pro - Monthly$7.991 Month
  • Protocol Pro - Monthly$49.991 Year
One-time3
  • 50 AI Query Credits$0.99
  • 200 Query Credits$2.99
  • Protocol Pro Lifetime$79.99

Questions

Is WeightSnap free?
WeightSnap is free to download, with in-app purchases available.
Is Protocol Peptide Tracker App free?
Protocol Peptide Tracker App is free to download, with in-app purchases available.
Which has better reviews, WeightSnap or Protocol Peptide Tracker App?
WeightSnap and Protocol Peptide Tracker App are both rated 5.0 out of 5 on the App Store, from 90 and 9 ratings respectively.
Do WeightSnap or Protocol Peptide Tracker App have ads?
Neither WeightSnap nor Protocol Peptide Tracker App shows ads.
Which is updated more often, WeightSnap or Protocol Peptide Tracker App?
WeightSnap ships an update weekly, and Protocol Peptide Tracker App weekly. Most recently, WeightSnap was updated on October 10, 2026 and Protocol Peptide Tracker App on September 30, 2026.

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