Comparison

Peptide & TRT 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

Peptide & TRT Tracker

This app helps you track TRT, peptides, and GLP-1 therapies by logging doses, bloodwork, and symptoms. It offers smart scheduling, discreet reminders, and injection site rotation. Manage multiple compounds, track bloodwork, and estimate hormone levels in one private place.

Highlights
  • Track TRT, peptides, and GLP-1
  • Log doses, bloodwork, and symptoms
  • Smart scheduling and reminders
  • Injection site rotation map
  • Track 200+ compounds
  • Bloodwork charting and import
  • Estimated hormone levels
Features
Read full description

OptiPin is the all-in-one tracker for TRT, peptides and GLP-1 therapy. See how your doses, bloodwork and symptoms trend together over time. Start free: track your first compound completely free, with no time limit and no credit card. Your protocol is scattered across notes, spreadsheets and a pile of reminders. OptiPin replaces all of it with one private place on your phone. No account, no login. Nothing leaves your device unless you ask it to. Why OptiPin? - Every compound side by side: peptides, TRT, anabolics and GLP-1, each with its own schedule, inventory and history - Smart scheduling: daily, weekly or fully custom injection plans, with dose changes you set yourself and cycle-off support - Discreet reminders: never miss a dose, with one-tap quick logging - Injection site rotation: a customizable auto-advancing site map so you rotate properly - Track 200+ compounds: peptides, hormones, bloodwork, symptoms, plus your own custom medications and trackers - Bloodwork in one place: snap a photo, enter labs by hand or auto-import from Apple Health and chart them against your dose timeline - Estimated levels: modeled concentration for Testosterone, DHT, E2 and GLP-1s, plus 40+ more compounds - Inventory, discard dates and low-stock alerts: never run out mid-protocol or use a vial past its window. Your true cost per dose is here too - Privacy-first: no account, data stays on your device, optional encrypted iCloud backup and CSV export Built for: - Peptide stacks: BPC-157, TB-500, Ipamorelin, AOD9604, MOTS-C, plus blends including GLOW, Wolverine and KLOW - TRT and hormone optimization: testosterone protocols with DHT and full bloodwork - Performance and cycling: track multiple medications and supplements, including custom entries you add yourself - GLP-1 and weight loss: tirzepatide, semaglutide, retatrutide, liraglutide, survodutide, mazdutide OptiPin was built out of a personal need for a smarter, unified way to manage TRT and peptide therapy. Tracking injection sites, staying on top of schedules, managing multiple compounds, keeping symptoms and lab markers in one place instead of juggling notes, spreadsheets and reminders. It keeps growing alongside a community chasing the same thing: clarity and consistency in how they track their protocols. Disclaimer: OptiPin is for informational use only and does not offer medical advice. It does not recommend or suggest doses. Always consult a qualified healthcare provider before beginning or modifying any peptide, hormone or TRT protocol. Terms of use: 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

Peptide & TRT Tracker4 screens
Bio Log4 screens

Verdict

The call

The clearest difference is ratings volume: Peptide & TRT Tracker at 177 against Bio Log's 2. Peptide & TRT Tracker also leads on update cadence (weekly vs every 3 weeks) and device support (3 vs 1). Bio Log's advantage is rating (5.0 vs 4.8). 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. Peptide & TRT Tracker sells 7 in-app purchases, starting at $4.99 per month 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 4.8. That said, the two scores are not equally well evidenced: Peptide & TRT Tracker has 177 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Peptide & TRT Tracker ships an update weekly, Bio Log every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Peptide & TRT Tracker versus Bio Log: the parameters behind the verdict, then further details
ParameterPeptide & TRT TrackerBio Log
PriceFreeFree
Rating4.8 (177 ratings)5.0 (2 ratings) — better
Positive reviews87.9% of reviews—
Number of ratings177 — better2
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS18.117.0 — better
Further details — not scored
Size105 MB5 MB
Age rating17+17+
DeveloperVitaloomalexander rieger

Customer experience

Peptide & TRT Tracker

All ratings177 ratings
Positive94.9%
Neutral1.1%
Negative4.0%
Written reviews91 reviews
Positive87.9%
Neutral3.3%
Negative8.8%

Bio Log

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

In-app purchases

7 purchases

Peptide & TRT Tracker

Subscriptions5
  • Monthly subscription$4.991 Month
  • Yearly subscription$19.991 Year
  • Yearly subscription3 variants$34.991 Year
Show 2 more
  • Annual Sub1 Year trial2 variants$39.991 Year
  • Annual Sub$39.991 Year
One-time2
  • OptiInsight 1 Credit$1.19
  • OptiInsight 5 Credits$4.99
1 purchases

Bio Log

Subscriptions1
  • Bio Log Membership$3.991 Month

Questions

Is Peptide & TRT Tracker free?
Peptide & TRT 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, Peptide & TRT Tracker or Bio Log?
Bio Log is rated higher. Peptide & TRT Tracker averages 4.8 out of 5 from 177 ratings, while Bio Log averages 5.0 from 2 ratings.
Do Peptide & TRT Tracker or Bio Log have ads?
Neither Peptide & TRT Tracker nor Bio Log shows ads.
Which is updated more often, Peptide & TRT Tracker or Bio Log?
Peptide & TRT Tracker ships an update weekly, and Bio Log every 3 weeks. Most recently, Peptide & TRT Tracker was updated on November 5, 2026 and Bio Log on October 31, 2026.

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