Comparison

WeightSnap vs COMPOUND

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

COMPOUND

This app provides advanced tracking and analysis for peptide and TRT protocols. It uses AI to analyze interactions, correlate side effects with dosing, and scan bloodwork results. Manage complex stacks with smart reconstitution, a comprehensive database, and interactive pharmacokinetics.

Highlights
  • AI Stack Analyzer for interaction warnings
  • Side-Effect Correlation Engine
  • Bloodwork OCR Scanner
  • Smart Reconstitution calculations
  • 42-Compound Database with research links
  • Protocol AI Chat for personalized advice
  • Interactive Stack Pharmacokinetics visualization
Features
Read full description

Most peptide apps are reminders with a calculator stapled on. You're running BPC-157, CJC-1295, Ipamorelin, maybe retatrutide, maybe TRT alongside it. Real vials, real money. And the best record of it is a Notes app you forgot to update or a spreadsheet that lost your reconstitution dates. COMPOUND is the protocol intelligence layer for serious operators. Built on published pharmacology and cited research. Not a timer. Not a generic medication app. The instrument your protocol deserves. STACK ANALYSIS* Enter your full protocol: BPC-157, TB-500, CJC-1295, Ipamorelin, GHK-Cu, tesamorelin, retatrutide, semaglutide, tirzepatide, testosterone. COMPOUND's AI-assisted analysis flags interaction patterns, timing overlaps, redundant pathways, and absorption issues, each one cited to peer-reviewed research. Two compounds hitting the same pathway is a wasted vial; you will see it. It reports what it finds. It does not write your protocol. SIDE-EFFECT CORRELATION* Log quick daily check-ins. COMPOUND maps every symptom against your dose timeline and surfaces the patterns you would not find by hand. Insomnia lining up with evening CJC. Nausea tracking a titration step. Mood dips that follow estradiol troughs. BLOODWORK SCANNER* Photograph or import any lab report. COMPOUND extracts every marker (free T, total T, estradiol, IGF-1, CRP, AST/ALT, A1C, lipids, hematocrit) and plots them on your protocol timeline. Told you're "in range" while the symptoms stay? Bring the trend to your next appointment, not the single number. RECONSTITUTION CALCULATOR Stepped input or plain language*: "10mg vial, 250mcg twice daily." Exact syringe units, vial duration, expiry tracking. Unit conversion for the amount you choose; it does not pick your dose. No mental math at 6am. STACK PHARMACOKINETICS* Your whole protocol on one estimated serum concentration curve, built from published half-lives and your own log. Drag a dose time and watch coverage shift across the day. Cycle calendar, cross-cycle comparison, restart readiness check. 90+ COMPOUND REFERENCE LIBRARY Half-life, mechanism of action, regulatory status, protocol patterns reported in the literature, known interactions, and the key studies with PubMed links. 250+ cited studies. Written for people who read the papers. PROTOCOL CHAT* Ask anything about your own stack. Every answer is grounded in your protocol, your symptom log, your bloodwork, and cited research, not a generic chatbot that does not know what you are running. It shows you the evidence; it does not prescribe. ALSO INCLUDED - Dose logging with injection site rotation and timing analysis - Vial inventory and supply alerts* - Symptom journal with pattern detection - Unlimited protocols, reminders, home screen widget - Apple Health sync: sleep, HRV, resting heart rate, workouts, weight, glucose WHO COMPOUND IS FOR - People running multi-compound peptide protocols - TRT users tired of a single number standing in for how they feel - Reta and tirzepatide users who want more than a shot tracker - Anyone who refuses to guess with vials that cost real money - Researchers who already built the spreadsheet and want it on their phone, smarter PRIVACY Anonymous sign-in. No ad-tech. No tracking SDKs. No data resale. IMPORTANT COMPOUND is not a medical device. It does not diagnose, treat, or prevent any condition, and it does not prescribe, recommend, or adjust doses. All analysis is informational, based on published pharmacological research. Always consult a qualified healthcare provider before starting or modifying any protocol or medication. * Requires COMPOUND PRO subscription. Free to start. Privacy Policy: https://usecompound.app/privacy Terms (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

WeightSnap4 screens
COMPOUND4 screens

Verdict

The call

The clearest difference is ratings volume: WeightSnap at 109 against COMPOUND's 4. On price, rating, update cadence and ads 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 COMPOUND sells 5 in-app purchases, starting at $6.99 per 7 days. 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 COMPOUND. That said, the two scores are not equally well evidenced: WeightSnap has 109 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

WeightSnap ships an update weekly, COMPOUND every 9 days. Both last shipped on October 24, 2026.

Scorecard1 real difference · 9 level
WeightSnap versus COMPOUND: the parameters behind the verdict, then further details
ParameterWeightSnapCOMPOUND
PriceFreeFree
Rating5.0 (109 ratings)5.0 (4 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings109 — better4
Update frequencyWeekly — betterEvery 9 days
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS17.617.0 — better
Further details — not scored
Size30 MB52 MB
Age rating4+12+
DeveloperTYLER LAWRENCE BROWNTorben Nils Seidler

Customer experience

WeightSnap

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

COMPOUND

All ratings3 ratings
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

COMPOUND

Subscriptions5
  • Compound Pro · Weekly$6.997 Days
  • Compound Pro · Quarterly3 Days trial$24.993 Months
  • Compound Pro · Yearly DISCOUNTED$34.991 Year
Show 2 more
  • Compound Pro · Yearly7 Days trial$49.991 Year
  • COMPOUND Pro · Yearly$69.991 Year

Questions

Is WeightSnap free?
WeightSnap is free to download, with in-app purchases available.
Is COMPOUND free?
COMPOUND is free to download, with in-app purchases available.
Which has better reviews, WeightSnap or COMPOUND?
COMPOUND is rated higher. WeightSnap averages 5.0 out of 5 from 109 ratings, while COMPOUND averages 5.0 from 4 ratings.
Do WeightSnap or COMPOUND have ads?
Neither WeightSnap nor COMPOUND shows ads.
Which is updated more often, WeightSnap or COMPOUND?
WeightSnap ships an update weekly, and COMPOUND every 9 days. Most recently, WeightSnap was updated on October 24, 2026 and COMPOUND on October 24, 2026.

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