PepStak vs PepstackAI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PepStak
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PepStak is the all-in-one peptide tracker: plan your stacks, calculate exact doses, log every injection, and see your active levels in real time. SEE REAL-TIME PEPTIDE LEVELS Know what's actually in your system. PepStak models each peptide's active level from your logged doses and half-life, so you always know where you stand. CALCULATE EXACT DOSES The reconstitution calculator turns vial size, bacteriostatic water, and target dose into exact syringe units — no more napkin math before every injection. STACK MULTIPLE PEPTIDES Build goal-based stacks that group your peptides, schedules, and progress in one place. Track duration, weight intent, and completion as you go. LOG SMARTER INJECTIONS The interactive body map shows your recent injection sites with rotation guidance and best-site suggestions, so you never overuse a spot. STAY CONSISTENT Dose reminders keep you on schedule. Daily check-ins track energy, mood, sleep, appetite, and side effects so you can see how your protocol is really going. TRACK YOUR PROGRESS Progress photos and weight tracking put your results side by side with your protocol history. COMPREHENSIVE PEPTIDE LIBRARY Browse 100+ peptides with detailed profiles, or create custom peptides to match exactly what you're running. SYNC & BACKUP Secure cloud sync keeps your data safe and available across devices. — PepStak is a tracking and organization tool. It does not provide medical advice and does not sell or supply peptides. Always consult a licensed healthcare provider before starting any protocol. Some features require a PepStak Pro subscription. Payment is charged to your Apple ID account; subscriptions renew automatically unless canceled at least 24 hours before the end of the period. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
PepstackAI
This app helps you manage your supplement intake based on your personal routine and health goals. It provides personalized recommendations with research-backed reasoning and schedules them around your daily activities, avoiding potential conflicts.
- Personalized supplement recommendations
- Routine-based scheduling
- Conflict flagging for supplements
- Research-backed product information
- Peptide reference library
- Intake logging and data export
- Offline functionality
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Pepstack helps you take the right supplements at the right time, built around your real routine, not a generic label. HOW IT WORKS Tell Pepstack your goals, your diet, and anything that's bothered you before. It builds a personalized shortlist from a catalog of real, sourced products, every pick shows the reason it was chosen, whether that's your goal, your diet, or a reaction you flagged. YOUR SCHEDULE, NOT A GENERIC ONE Add anything to your daily schedule and Pepstack places it around your actual day, your meals, your sleep window, instead of just a flat list of times. Known timing conflicts (like zinc and iron needing space between them) are flagged before they become a problem. BUILT ON REAL RESEARCH Every product in the catalog links back to real, verifiable research citations, not marketing copy. Ask a question and get an answer sourced from that same catalog, with a way to report anything that looks wrong. A REFERENCE LIBRARY, NOT A DOSING TOOL Pepstack also includes a peptide reference library for research purposes: what each one is, its general category, and research trends. It does not provide doses, protocols, or injection guidance for peptides. TRACK WHAT YOU ACTUALLY TAKE Log what you've taken, see your streak, and export your own data whenever you want. Your account and everything in it can be deleted at any time, right from the app. Pepstack works offline for your day-to-day tracking and syncs when you're back online. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.pepstack.fit/privacy.html
Screenshots
Verdict
The clearest difference is iOS requirement: PepstackAI at 15.0 against PepStak's 17.6. On price, ads, in-app purchases 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
Both are free to download. PepStak sells 2 in-app purchases, starting at $7.99 per month and PepstackAI sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | PepStak | PepstackAI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | — | Every 11 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 34 MB | 18 MB |
| Age rating | 17+ | 17+ |
| Developer | Tempered Labs LLC | Deepak Kumar |
In-app purchases
PepStak
- PepStak Pro Monthly$7.991 Month
- PepStak Pro Yearly7 Days trial$39.991 Year
PepstackAI
- Pepstack Pro (Monthly)$4.991 Month
- Pepstack Pro (Yearly)$49.991 Year









