Comparison

Peptly vs BioTracker

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

Head to head
About

Peptly

This app helps you privately log peptide usage, track weight trends, and set reminders for injections. It offers features like injection site suggestions, vial notes, and estimated peptide levels based on your data. Designed for personal record-keeping, it keeps your health information secure on your device.

Highlights
  • Private peptide logging
  • Injection reminders
  • Weight tracking with trend analysis
  • Vial notes and management
  • Estimated peptide levels
  • Injection site suggestions
Features
Read full description

Peptly is a private log for the peptides you already use. Write down each entry, get a reminder when the next one is due, follow your weight over time, and keep notes on your vials. Every peptide amount in Peptly is one you typed. FREE • Log one peptide, with Today and a reminder • Injection sites, with your next site suggested from your log • Your weight, with a 30-day trend • The last 30 days of your history • Plain-language profiles of 23 peptides PEPTLY PRO • Stacks: log every peptide you use • Unlimited reminders, with Log and Skip right in the notification • Your full history, with CSV export • Your long-range weight trend, and a 30-day projection: an estimate from your own entries if your recent trend continues, not a prediction or medical advice • Estimated levels for semaglutide and tirzepatide, from your own log and published half-lives. Estimated, not measured. • Vials: what the label says, the date and your notes, exactly as you wrote them TODAY See what's planned today. Log an entry as planned with one tap, or skip it, and your history stays complete. INJECTION SITES Pick a site as you log, and Peptly suggests the one you used longest ago, so rotating is easy. PRIVATE BY DESIGN No account to create. Your log stays on your iPhone or iPad. Peptly Pro is an auto-renewing subscription (weekly, monthly or yearly) or a one-time lifetime purchase; your region's price shows in the app before you buy. Payment is charged to your Apple ID account. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel them in your Apple ID account settings. Peptly is a personal record-keeping tool. It never calculates, suggests or recommends an amount to take, and it is not medical advice. Follow the directions of your healthcare provider. Terms of Use: https://thepeptly.com/terms/ Privacy Policy: https://thepeptly.com/privacy/

About

BioTracker

Organize your supplement and peptide routines with this app. It helps you stay on schedule, track doses, manage inventory, and discover new items based on your goals. Share your progress and explore community stacks.

Highlights
  • Organize supplement and peptide routines
  • Track doses and inventory
  • Set reminders and view schedules
  • Discover items based on goals
  • Explore community stacks
  • Log taken or missed doses
Features
Read full description

Build a clear routine for supplements, peptides, GLP-1s, and more. BioTracker helps you organize your stack, stay on schedule, and keep an accurate record of what you actually took. PLAN YOUR STACK • Add items from a growing library or create your own • Set dose amounts, timing, days, and cycles • Track inventory and reconstitution dates • Organize morning, daytime, and evening routines LOG WITH LESS FRICTION • See today's schedule at a glance • Swipe to mark doses taken or missed • Review daily adherence without rewriting past schedules • Set reminders around your routine DISCOVER AND LEARN • Browse supplements, peptides, GLP-1s, and blends • Find items based on your goals • Explore public stacks from the BioTracker community • Control which profile and stack details you share BioTracker Pro is available as an auto-renewing weekly or annual subscription. Both plans include a 7-day free trial for eligible new subscribers. Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel subscriptions in your App Store account settings. BioTracker is an organizational and informational tool for personal tracking. It is not a medical device, does not provide medical advice, and is not a substitute for qualified medical care. Privacy Policy: https://downloadbiotracker.com/privacy Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Peptly4 screens
BioTracker4 screens

Verdict

The call

The clearest difference is ratings volume: Peptly at 34 against BioTracker's 2. BioTracker's advantage is rating (5.0 vs 4.8). On price, update cadence, 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. Peptly sells 10 in-app purchases, starting at $0.99 per 7 days and BioTracker sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

BioTracker holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Peptly has 34 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Peptly ships an update weekly, BioTracker every 8 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Peptly versus BioTracker: the parameters behind the verdict, then further details
ParameterPeptlyBioTracker
PriceFreeFree
Rating4.8 (34 ratings)5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings34 — better2
Update frequencyWeekly — betterEvery 8 days
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS17.6 — better18.0
Further details — not scored
Size29 MB135 MB
Age rating12+17+
DeveloperBaris BingorBioTracker LLC

Customer experience

Peptly

All ratings34 ratings
Positive97.1%
Neutral0.0%
Negative2.9%

BioTracker

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

10 purchases

Peptly

Subscriptions7
  • Peptly Pro Weekly$0.997 Days
  • Peptly Pro Weekly7 Days trial$1.997 Days
  • Peptly Pro Weekly$2.997 Days
Show 4 more
  • Peptly Pro Weekly$4.997 Days
  • Peptly Pro Yearly$19.991 Year
  • Peptly Pro Yearly$29.991 Year
  • Peptly Pro Yearly$49.991 Year
One-time3
  • Peptly Pro Lifetime$29.99
  • Peptly Pro Lifetime$49.99
  • Peptly Pro Lifetime$79.99
4 purchases

BioTracker

Subscriptions4
  • BioTracker Pro Weekly7 Days trial$1.997 Days
  • BioTracker Weekly14 Days trial$1.997 Days
  • BioTracker Pro Annual7 Days trial$39.991 Year
Show 1 more
  • BioTracker Annual14 Days trial$39.991 Year

Questions

Is Peptly free?
Peptly is free to download, with in-app purchases available.
Is BioTracker free?
BioTracker is free to download, with in-app purchases available.
Which has better reviews, Peptly or BioTracker?
BioTracker is rated higher. Peptly averages 4.8 out of 5 from 34 ratings, while BioTracker averages 5.0 from 2 ratings.
Do Peptly or BioTracker have ads?
Neither Peptly nor BioTracker shows ads.
Which is updated more often, Peptly or BioTracker?
Peptly ships an update weekly, and BioTracker every 8 days. Most recently, Peptly was updated on November 7, 2026 and BioTracker on October 31, 2026.

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