Comparison

Stacksy vs PeptGPT

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

Head to head
About

Stacksy

Organize and track your personal peptide protocol with this private application. Manage your entire routine, including what peptides to take and when. Offers monthly and yearly subscription plans for full access.

Highlights
  • Organize peptide protocols
  • Track peptide dosages
  • Schedule peptide intake
  • Private routine management
  • GLP-1 tracking
Features
Read full description

Stacksy is a simple, private way to organize and track your personal peptide protocol. Your whole routine in one place: what you're taking and when to take it. Stacksy requires a Premium auto-renewable subscription to use the app: - Stacksy Premium (Monthly): $9.99 / month - Stacksy Premium (Yearly): $39.99 / year Payment is charged to your Apple ID at purchase confirmation. Your subscription auto-renews unless cancelled at least 24 hours before the period ends. Manage or cancel anytime in your App Store account settings. Privacy Policy: https://stacksy.netlify.app/privacy Terms of Use (EULA): https://stacksy.netlify.app/terms

About

PeptGPT

Features
Read full description

All-in-one peptide and GLP-1 tracking: doses, nutrition, sleep, calculator & insights. Subscription required. Track your peptide and GLP-1 journey with clarity and confidence. Our app is the all-in-one tracking tool built to keep your inventory, logs, nutrition, wellness data, and notes organized in one place. Say goodbye to scattered spreadsheets and forgotten notes — replace them with a simple, private system designed for consistency. This app is for informational and record-keeping purposes only. A subscription is required to access tracking features. FEATURES Inventory & Organization Organize your peptides and GLP-1 compounds, track what you have on hand, and add vial photos for easy reference. Peptide Calculator Take the guesswork out of reconstitution calculations with fast, accurate math — all in one place. Injection Site Tracker Rotate injection sites using an interactive body map. Color-coded indicators show your last used and selected sites, linked directly to your inventory. Side Effects Tracking Log 15+ symptoms with severity ratings, link entries to specific doses, and review your history to spot patterns — including common GLP-1 side effects like nausea, fatigue, and appetite changes. Hydration Tracking Quick-tap water logging with progress rings, customizable goals, weekly charts, and streaks. Nutrition Logging Personalized calorie, protein, carbs, fat, and fiber tracking based on your goals. Visual progress rings and weekly summaries — especially useful for hitting protein targets while on GLP-1 protocols. Apple Health Integration Sync steps, workouts, and activity data directly from Apple Health. Logging & Reminders Set optional reminders and maintain a complete personal timeline of your progress. Progress Tracking Log progress photos and track energy, sleep, and mood with daily check-ins. Weight Log Track your weight over time with trend charts and goal tracking — ideal for monitoring progress on GLP-1 protocols. Insights Dashboard All your tracking data in one place — weight, side effects, hydration, nutrition, photos, and check-ins. AI Assistant Ask general educational questions about peptides and GLP-1 compounds. For informational purposes only — not medical advice. Research Library Browse 75+ peptide and GLP-1 compound profiles with educational summaries and research references. Compound Level Estimator View estimated half-life and peak timing for your peptide or GLP-1 so you always know where you are in your dosing window. Sleep Tracker Log sleep and wake times, track quality, and view weekly charts and monthly heatmaps. AI Insights Personalized correlations across your data — connecting nutrition, hydration, sleep, side effects, and progress to surface patterns. For informational reference only. Achievements Earn badges for consistency — logging streaks, hydration goals, nutrition targets, check-ins, and more. Export & Reports Generate detailed PDF reports of your doses, side effects, nutrition, and more. Share directly with your healthcare provider. Private & Secure Your personal data is securely stored on your device and synced across your devices. We never sell your data. Health Disclaimer This app is designed for tracking and educational purposes only. It is not intended to provide medical advice, diagnosis, treatment recommendations, or dosing instructions. Always consult with your healthcare provider for any medical decisions or health concerns. All features are for personal record-keeping and educational reference only. support@magicbrainai.com Privacy & Terms: https://magicbrainai.com/terms.html EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Stacksy4 screens
PeptGPT4 screens

Verdict

The call

The clearest difference is in-app purchases: PeptGPT at none against Stacksy's 5. Stacksy's advantage is update cadence (every 2 days vs weekly) and iOS requirement (15.1 vs 17.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stacksy sells 5 in-app purchases, starting at $9.99 per month. PeptGPT asks for nothing beyond the download.

UpkeepUpdate frequency

Stacksy ships an update every 2 days, PeptGPT weekly. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
Stacksy versus PeptGPT: the parameters behind the verdict, then further details
ParameterStacksyPeptGPT
PriceFreeFree
Rating5.0 (16 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings16 — better—
Update frequencyEvery 2 days — betterWeekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size65 MB17 MB
Age rating17+17+
DeveloperVelor4 LLCMagicBrain AI

In-app purchases

5 purchases

Stacksy

Subscriptions5
  • Stacksy Pro (Monthly)$9.991 Month
  • Stacksy Pro (Yearly)3 Days trial$24.991 Year
  • Stacksy Pro (Yearly)7 Days trial$24.991 Year
Show 2 more
  • Stacksy Pro (Yearly)$24.991 Year
  • Stacksy Pro (Yearly)3 Days trial$39.991 Year
None

PeptGPT

No in-app purchases

Questions

Is Stacksy free?
Stacksy is free to download, with in-app purchases available.
Is PeptGPT free?
PeptGPT is free to download, with no in-app purchases.
Do Stacksy or PeptGPT have ads?
Neither Stacksy nor PeptGPT shows ads.
Which is updated more often, Stacksy or PeptGPT?
Stacksy ships an update every 2 days, and PeptGPT weekly. Most recently, Stacksy was updated on October 11, 2026 and PeptGPT on October 14, 2026.

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