Comparison

Smart Peptide Tracker vs StackTrax

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

Head to head
About

Smart Peptide Tracker

Manage supplement inventory, schedule routines, and track personal progress with a comprehensive research companion. Features include a reconstitution calculator, visual progress charts, and site rotation planning. Offers optional cloud sync and PIN encryption for privacy.

Highlights
  • Inventory management with reconstitution calculator
  • Customizable schedules and push notification reminders
  • One-tap logging and backfilling up to 14 days
  • Progress tracking with charts and photos
  • Stack analysis for compatibility and overlap
  • Visual site rotation planner
  • Cycle planner and cost tracker
Features
Read full description

Smart Peptide Tracker is your all-in-one research companion for managing supplement inventory, scheduling routines, and tracking personal progress. INVENTORY MANAGEMENT Track your supplies with a built-in reconstitution calculator. Monitor remaining amounts with visual syringe indicators. Support for individual items, custom blends, and partially used vials. SCHEDULES & REMINDERS Create recurring schedules — daily, twice daily, every other day, 5x weekly, weekly, and more. Set push notification reminders so you never miss an entry. Pause and resume schedules anytime. CALENDAR & LOGGING Log entries with one tap from your daily view. Backfill up to 14 days for missed entries. View running stats by day, week, month, or year. REFERENCE LIBRARY Browse 100+ compounds with general reference information and 27+ popular blend formulations. PROGRESS TRACKING (Premium) Chart your weight, mood, and energy over time with beautiful SVG charts. Log progress photos and compare them side-by-side. Set goals and visualize your trends across custom time ranges. STACK ANALYZER (Premium) Analyze your current stack for compatibility and overlap. Visual radar chart shows mechanism coverage across categories. Get smart recommendations to fill gaps. SITE ROTATION Visual body map with front and back views. The app auto-suggests your next site based on recent history for balanced rotation. ADDITIONAL TOOLS - Cycle planner with on/off week scheduling and visual progress bars - Cost tracker with per-vial, per-dose analytics and multi-currency support - Smart suggestions for synergy detection - Full data import/export (JSON) PRIVACY FIRST Your data is stored locally on your device. Optional PIN encryption keeps it private. Cloud sync is available but entirely optional. No third-party tracking or analytics beyond basic crash reporting. This app is a personal organization and logging tool. It does not provide medical advice or recommendations of any kind.

About

StackTrax

Track peptide protocols and GLP-1 titrations with detailed logging, reminders, and injection site rotation. Access a research library and integrate with Oura for comprehensive health insights. Includes nutrition tracking and an AI protocol importer.

Highlights
  • Peptide and GLP-1 tracking
  • Dose logging and reminders
  • Injection site rotation
  • Research library with compound guides
  • Oura integration
  • AI Protocol Importer
  • Nutrition tracking
Features
Read full description

The peptide tracker built for people who take their protocol seriously. Whether you're running BPC-157, tracking a GLP-1 titration, tracking TRT, or managing a multi-compound stack — StackTrax helps you stay consistent, never miss a dose, and see what's actually working. FREE Research library — 90+ citation-backed compound guides. FDA labels, PMIDs, or community evidence, clearly labeled. PRO (subscription, manage at stacktrax.com) Log doses across multiple compounds and stacks. Set reminders for any cadence — daily, every other day, every 3 / 4 / 5 days, twice weekly, specific weekdays, "as needed," titration phases, cycle protocols. Injection site rotation with a front / back zone map. Vial inventory and low-stock alerts. Oura integration — readiness, sleep, HRV, resting heart rate, stress, resilience. AI Protocol Importer — paste your existing protocol or upload a screenshot, and StackTrax parses it into a tracker setup. Nutrition tracking — meals, barcode scanner, macros, hydration. HOW TO USE Use the iOS app for daily tracking. Use the web to add or configure new compounds and manage your subscription. Always consult a qualified healthcare provider before starting, changing, or stopping any protocol. IMPORTANT INFORMATION StackTrax is an informational tracking and logging tool. It is not medical advice and does not prescribe, recommend, or facilitate the purchase of any medication or compound. Many compounds tracked in StackTrax (BPC-157, TB-500, MOTS-c, sermorelin, NAD+ injection, others) are not FDA-approved for human use and are legally sold in the US only as research chemicals. We provide tracking tools and informational content; we do not endorse off-label or non-approved use. Subscriptions are managed at stacktrax.com. New users get a 14-day free Pro trial; full pricing shown at signup. Terms of Use: https://stacktrax.com/terms Privacy Policy: https://stacktrax.com/privacy

Screenshots

Smart Peptide Tracker4 screens
StackTrax4 screens

Verdict

The call

The clearest difference is update cadence: StackTrax at daily against Smart Peptide Tracker's every 5 days. StackTrax also leads on rating (5.0 vs 4.8) and review sentiment (100% vs 90%). Smart Peptide Tracker's advantage is ratings volume (159 vs 7). On price, ads, in-app purchases and monetization model 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. Smart Peptide Tracker sells 9 one-off in-app purchases and StackTrax sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

StackTrax holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Smart Peptide Tracker has 159 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 90% of Smart Peptide Tracker's written reviews are positive against 100% of StackTrax's.

UpkeepUpdate frequency

Smart Peptide Tracker ships an update every 5 days, StackTrax daily. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 6 level
Smart Peptide Tracker versus StackTrax: the parameters behind the verdict, then further details
ParameterSmart Peptide TrackerStackTrax
PriceFreeFree
Rating4.8 (159 ratings)5.0 (7 ratings) — better
Positive reviews90.5% of reviews100.0% of reviews — better
Number of ratings159 — better7
Update frequencyEvery 5 daysDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size92 MB32 MB
Age rating17+17+
DeveloperSean HussainIsaiah Deutsch

Customer experience

Smart Peptide Tracker

All ratings159 ratings
Positive94.3%
Neutral2.5%
Negative3.1%
Written reviews21 reviews
Positive90.5%
Neutral9.5%
Negative0.0%

StackTrax

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

9 purchases

Smart Peptide Tracker

One-time9
  • Ai Question Pack (20 questions)$4.99
  • Partner Add-on$9.99
  • Extra Partner Add-on$9.99
Show 6 more
  • Partner Biomarkers Add-on$14.99
  • Biomarkers Add-on$14.99
  • Premium Lifetime - Discount$25.99
  • Premium Lifetime$34.99
  • Peak$44.99
  • Elite$54.99
2 purchases

StackTrax

Subscriptions2
  • Pro Monthly14 Days trial$4.991 Month
  • Pro Yearly14 Days trial$49.991 Year

Questions

Is Smart Peptide Tracker free?
Smart Peptide Tracker is free to download, with in-app purchases available.
Is StackTrax free?
StackTrax is free to download, with in-app purchases available.
Which has better reviews, Smart Peptide Tracker or StackTrax?
StackTrax is rated higher. Smart Peptide Tracker averages 4.8 out of 5 from 159 ratings, while StackTrax averages 5.0 from 7 ratings.
Do Smart Peptide Tracker or StackTrax have ads?
Neither Smart Peptide Tracker nor StackTrax shows ads.
Which is updated more often, Smart Peptide Tracker or StackTrax?
Smart Peptide Tracker ships an update every 5 days, and StackTrax daily. Most recently, Smart Peptide Tracker was updated on October 9, 2026 and StackTrax on October 6, 2026.

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