Comparison

Smart Peptide Tracker vs Bio Log

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 research supplies, schedule routines, and track personal progress with this comprehensive companion app. Features include inventory tracking, customizable reminders, and detailed logging. Premium features offer advanced progress charting and stack analysis.

Highlights
  • Inventory management with visual indicators
  • Customizable recurring schedules and reminders
  • One-tap logging with 14-day backfill
  • Reference library for compounds and blends
  • Progress tracking with charts and photos (Premium)
  • Stack analyzer with radar charts (Premium)
  • Cycle planner and spending records
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

This app helps you meticulously track peptide doses, vial details, and personal notes in a centralized journal. It offers daily views, logging capabilities, and history search, with optional AI assistance for summaries and organization. Records are stored locally for your control.

Highlights
  • Schedule and dose tracking
  • Vial inventory management
  • Injection site mapping
  • Journal search and filtering
  • AI-powered note organization
  • Local data storage
  • Data export
Read full description

Keep your peptide records clear, organized, and easy to review. Bio Log brings your schedules, dose entries, vial details, and personal notes into one focused journal. SEE YOUR DAY View scheduled entries and what you’ve already recorded. Keep reminders connected to the profiles you create. LOG WHAT HAPPENED Record an entry as taken or skipped. Add the amount, time, injection site, and notes you want to keep. Review your entry before saving. Choose a recorded injection site on the front-and-back body map and see which sites appear in your recent history. FIND YOUR HISTORY Search your journal by peptide or note. Filter taken and skipped entries, review earlier records, and make corrections when needed. Remove profiles from your active library without losing their history. Restore them from Archived whenever you need them. KEEP VIAL DETAILS TOGETHER Save vial amounts, lot information, and storage notes. See remaining inventory estimates based on your saved records. ADD CONTEXT Keep symptoms, lab results, and progress photos alongside your tracking. Review summaries of your own entries. BIO LOG AI Ask questions about your journal, organize notes, and review optional AI summaries in a clean conversation view. Draft logs remain yours to review and confirm before saving. YOUR RECORDS, YOUR CONTROL Journal records are stored on your device. Export your tracking records when you need them. Optional AI features use an online service with your permission. MEMBERSHIP Download Bio Log to explore the demo. Personal tracking and the full feature set require an auto-renewing monthly Bio Log Membership. Payment is charged to your Apple Account. Your subscription renews automatically unless canceled at least 24 hours before the current period ends. Manage or cancel your subscription in App Store account settings. Bio Log is for personal tracking and organization. It does not provide medical advice, diagnosis, treatment, dosing instructions, peptide recommendations, or sourcing advice. Consult a qualified healthcare professional before making medical decisions. AI-generated summaries may be incomplete or inaccurate. 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 Log4 screens

Verdict

The call

The clearest difference is ratings volume: Smart Peptide Tracker at 167 against Bio Log's 2. Smart Peptide Tracker also leads on update cadence (every 5 days vs every 3 weeks) and device support (3 vs 1). Bio Log's advantage is rating (5.0 vs 4.7). 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 11 one-off in-app purchases and Bio Log 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 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 167 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 every 3 weeks. Both last shipped on October 31, 2026.

Scorecard5 real differences · 5 level
Smart Peptide Tracker versus Bio Log: the parameters behind the verdict, then further details
ParameterSmart Peptide TrackerBio Log
PriceFreeFree
Rating4.7 (167 ratings)5.0 (2 ratings) — better
Positive reviews87.0% of reviews—
Number of ratings167 — better2
Update frequencyEvery 5 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size120 MB5 MB
Age rating17+17+
DeveloperSean Hussainalexander rieger

Customer experience

Smart Peptide Tracker

All ratings167 ratings
Positive94.0%
Neutral2.4%
Negative3.6%
Written reviews23 reviews
Positive87.0%
Neutral8.7%
Negative4.3%

Bio Log

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

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 free?
Bio Log is free to download, with in-app purchases available.
Which has better reviews, Smart Peptide Tracker or Bio Log?
Bio Log is rated higher. Smart Peptide Tracker averages 4.7 out of 5 from 167 ratings, while Bio Log averages 5.0 from 2 ratings.
Do Smart Peptide Tracker or Bio Log have ads?
Neither Smart Peptide Tracker nor Bio Log shows ads.
Which is updated more often, Smart Peptide Tracker or Bio Log?
Smart Peptide Tracker ships an update every 5 days, and Bio Log every 3 weeks. Most recently, Smart Peptide Tracker was updated on October 31, 2026 and Bio Log on October 31, 2026.

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