Comparison

StackTrax 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

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

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

StackTrax4 screens
Bio Log Peptide Journal4 screens

Verdict

The call

The clearest difference is monetization model: StackTrax at freemium against Bio Log Peptide Journal's subscription. StackTrax also leads on update cadence (daily vs every 2 weeks) and ratings volume (7 vs 2). On price, rating, 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. StackTrax sells 2 in-app purchases, starting at $4.99 per month 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

On the App Store both sit at effectively the same score — 5.0 for StackTrax against 5.0 for Bio Log Peptide Journal. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

UpkeepUpdate frequency

StackTrax ships an update daily, Bio Log Peptide Journal every 2 weeks. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

Scorecard3 real differences · 7 level
StackTrax versus Bio Log Peptide Journal: the parameters behind the verdict, then further details
ParameterStackTraxBio Log Peptide Journal
PriceFreeFree
Rating5.0 (7 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings7 — better2
Update frequencyDaily — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium — betterSubscription
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size32 MB4 MB
Age rating17+12+
DeveloperIsaiah Deutschalexander rieger

Customer experience

StackTrax

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

Bio Log Peptide Journal

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

In-app purchases

2 purchases

StackTrax

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

Bio Log Peptide Journal

Subscriptions1
  • Bio Log Membership$3.991 Month

Questions

Is StackTrax free?
StackTrax 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, StackTrax or Bio Log Peptide Journal?
StackTrax and Bio Log Peptide Journal are both rated 5.0 out of 5 on the App Store, from 7 and 2 ratings respectively.
Do StackTrax or Bio Log Peptide Journal have ads?
Neither StackTrax nor Bio Log Peptide Journal shows ads.
Which is updated more often, StackTrax or Bio Log Peptide Journal?
StackTrax ships an update daily, and Bio Log Peptide Journal every 2 weeks. Most recently, StackTrax was updated on October 6, 2026 and Bio Log Peptide Journal on October 2, 2026.

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