Comparison

Smart Peptide Tracker vs Bio Log Peptide Journal

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 inventory, scheduling routines, and tracking personal progress. INVENTORY MANAGEMENT Track your supplies across their full inventory cycle. See remaining amounts at a glance with visual indicators. Support for individual items, custom blends, and opened or unopened items. 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 published 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) See how the items in your stack are organized by category with a visual radar chart. ADDITIONAL TOOLS - Cycle planner with on/off week scheduling and visual progress bars - Spending records by item and supplier, with multi-currency support - 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 and all medical decisions should be done with a medical professional. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Bio Log Peptide Journal

This app provides a private journal for tracking peptides, compounds, and related health data. It helps organize schedules, vial notes, labs, and progress with AI-powered insights. It is for personal tracking and informational purposes only.

Highlights
  • Peptide and compound tracking
  • Dose logs and history
  • Schedule reminders
  • Vial and inventory notes
  • Side effect tracking
  • Lab and biomarker logging
  • Progress photos and notes
  • AI summaries and insights
Read full description

Bio Lab is a private peptide journal for people who want a clean way to track profiles, schedules, vial notes, reminders, labs, photos, side effects, and progress. Bio Log Membership is $3.99/month and unlocks the full app, including Bio Log AI. Use Bio Lab to track: - Peptides and compounds - Dose logs and history - Schedule reminders - Vial, lot, source, and inventory notes - Reconstitution notes and manual draw notes - Injection or usage sites - Side effects and symptoms - Labs and biomarkers - Progress photos and notes - AI summaries and insights from your own entries Bio Log AI can help organize your records, summarize logs, turn messy notes into clearer entries, explain app data in plain English, and help you review patterns in your journal. Bio Lab is for personal tracking, organization, and informational purposes only. It does not provide medical advice, diagnosis, treatment, dosing instructions, recommendations, peptide sourcing, or advice about what to take. AI-generated content may be incomplete or inaccurate and should not be used as medical guidance. Always consult a qualified healthcare professional before making decisions about medications, peptides, supplements, or research compounds. Subscription: Bio Log Membership Monthly is an auto-renewable monthly subscription for $3.99/month. It unlocks all app features, including peptide tracking, reminders, labs, inventory, photos, insights, and AI. Payment is charged to your Apple ID and renews monthly until canceled. You can manage or cancel anytime in App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://biolog-ai-backend.vercel.app/api/privacy

Screenshots

Smart Peptide Tracker4 screens
Bio Log Peptide Journal4 screens

Verdict

The call

The clearest difference is monetization model: Smart Peptide Tracker at freemium against Bio Log Peptide Journal's subscription. Smart Peptide Tracker also leads on ratings volume (166 vs 2) and update cadence (every 5 days vs every 2 weeks). Bio Log Peptide Journal's advantage is rating (5.0 vs 4.7). On price, ads and in-app purchases 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 11 one-off in-app purchases and Bio Log Peptide Journal sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Bio Log Peptide Journal holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Smart Peptide Tracker has 166 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Smart Peptide Tracker ships an update every 5 days, Bio Log Peptide Journal every 2 weeks. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

Scorecard6 real differences · 4 level
Smart Peptide Tracker versus Bio Log Peptide Journal: the parameters behind the verdict, then further details
ParameterSmart Peptide TrackerBio Log Peptide Journal
PriceFreeFree
Rating4.7 (166 ratings)5.0 (2 ratings) — better
Positive reviews87.0% of reviews—
Number of ratings166 — better2
Update frequencyEvery 5 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size114 MB4 MB
Age rating17+12+
DeveloperSean Hussainalexander rieger

Customer experience

Smart Peptide Tracker

All ratings165 ratings
Positive93.9%
Neutral2.4%
Negative3.6%
Written reviews23 reviews
Positive87.0%
Neutral8.7%
Negative4.3%

Bio Log Peptide Journal

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

11 purchases

Smart Peptide Tracker

One-time11
  • Peak 3-day TrialFree
  • Ai Question Pack (20 questions)$4.99
  • Partner Add-on$9.99
Show 8 more
  • Extra Partner Add-on$9.99
  • Premium Lifetime - Discount$14.99
  • Partner Biomarkers Add-on$14.99
  • Biomarkers Add-on$14.99
  • Premium Lifetime$19.99
  • Partner Mode+$19.99
  • Peak$29.99
  • Elite$39.99
1 purchases

Bio Log Peptide Journal

Subscriptions1
  • Bio Log Membership$3.991 Month

Questions

Is Smart Peptide Tracker free?
Smart Peptide Tracker is free to download, with in-app purchases available.
Is Bio Log Peptide Journal free?
Bio Log Peptide Journal is free to download, with in-app purchases available.
Which has better reviews, Smart Peptide Tracker or Bio Log Peptide Journal?
Bio Log Peptide Journal is rated higher. Smart Peptide Tracker averages 4.7 out of 5 from 166 ratings, while Bio Log Peptide Journal averages 5.0 from 2 ratings.
Do Smart Peptide Tracker or Bio Log Peptide Journal have ads?
Neither Smart Peptide Tracker nor Bio Log Peptide Journal shows ads.
Which is updated more often, Smart Peptide Tracker or Bio Log Peptide Journal?
Smart Peptide Tracker ships an update every 5 days, and Bio Log Peptide Journal every 2 weeks. Most recently, Smart Peptide Tracker was updated on October 25, 2026 and Bio Log Peptide Journal on October 18, 2026.

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