Comparison

Peptide Library and Tracker vs Jabbit

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

Head to head
About

Peptide Library and Tracker

This app serves as a comprehensive guide and lab assistant for peptide research. It offers a detailed peptide library, dose calculation tools, and advanced tracking features for logging, inventory management, and protocol adherence. Users can also access educational content and community Q&A to enhance their research workflow.

Highlights
  • Comprehensive Peptide Library & Database
  • Advanced Peptide Dose Calculator
  • Smart Tracking & Calendar View
  • Lab Inventory Management
  • Protocol Tracking & Lab Assistant
  • Integrated Peptide Education
Features
Read full description

Peptide Tracker and Library The all-in-one peptide calculator, peptide tracker, and research library for protocols, inventory, and precise dosing. Calculate, log, and stay consistent — in one research tool. PEPTIDE CALCULATOR Convert mg, mcg, and IU. Calculate reconstitution, vial concentration, injection volume, and multi-peptide stacks. Save recent calculations for the next session. PEPTIDE TRACKER Log every dose with time and notes. Set schedules and reminders. Use the calendar to review cycles, streaks, and missed doses. Track symptoms and journal entries alongside each protocol. INVENTORY See how much is left in each vial, capsule, or spray. Get low-stock and reorder alerts. Inventory updates when you log a dose. RESEARCH LIBRARY Browse a peptide database with protocols, mechanisms, reconstitution notes, PubMed references, and molecular data. Open Peptide School courses, guides, and FAQs when you want structured learning. VENDOR PRICES Search supported vendors, compare price per mg, check stock, and unlock available discounts — without leaving the app. PROGRESS Log weight, body composition, and progress photos. Charts show how your research notes change over time. BUILT FOR RESEARCH WORKFLOWS Fast search. Offline use. Optional account sync. Local-first storage. For research and educational purposes only. Not medical advice. Not for human consumption. Consult a qualified professional before any protocol. Subscription Information Pro Monthly — $5.99/month Pro Yearly — $49.99/year Subscription auto-renews unless turned off 24 hours before the end of the current period. Manage subscriptions in your App Store account settings. Privacy Policy: https://peptidelibrary.app/privacy EULA: https://peptidelibrary.app/terms

About

Jabbit

Manage peptide therapy with smart scheduling, vial tracking, and real-time serum level visualization. Track injections, monitor vial status, and visualize progress with photo comparisons and health data sync.

Highlights
  • Smart injection scheduling
  • Site rotation tracking
  • Vial reconstitution and age tracking
  • Real-time serum level visualization
  • Photo progress comparisons
  • Weight and BMI tracking
  • Private iCloud data storage
Read full description

Jabbit is a private log for your injections. Record each dose, keep your schedule and reminders in one place, and keep track of your vials and your progress. LOG EACH INJECTION • Record the product, amount, injection site, time and notes • Calendar of past and upcoming injections • Site history across 14 zones, so you can see which areas you used least recently SCHEDULES AND REMINDERS • Enter your own schedule: daily, several times a day, chosen weekdays, every few days, weeks on and weeks off, or as needed • Add dose phases with their own start dates • Reminders at the times you choose VIALS • Record what is in each vial, when you opened or mixed it, and when it expires • See each vial's age and how much is left, based on what you log REFERENCE LIBRARY • Reference entries on 85 compounds with regulatory status, safety warnings and sources • Links to official product information for licensed medicines PROGRESS • Weight and body measurements, with optional read-only import from Apple Health • Progress photos saved to your Photos library, with side-by-side comparisons and timelapses • Cover or blur parts of a photo before you share it PRIVATE BY DESIGN • Your records are stored on your iPhone, not on our servers. Bridger Apps never receives them. • No account, no ads, no tracking • Export your records to a file at any time from Settings • Delete everything at any time from Settings • Records are not synced between devices. To move to a new iPhone, use Quick Start or a backup of your iPhone. SUBSCRIPTION Jabbit is free to download. Using it requires a Jabbit Pro subscription, billed yearly, with a free trial for eligible new subscribers. Payment is charged to your Apple Account. The subscription renews automatically unless you cancel at least 24 hours before the end of the current period. You can manage or cancel it in your Apple Account settings. IMPORTANT Jabbit is a personal record-keeping tool for adults aged 18 and over. It is not a medical device. It does not give medical advice, diagnoses or treatment recommendations, and it does not recommend medicines or doses. Always follow the instructions of your prescriber or pharmacist. Terms of Use: https://www.bridgerapps.com/jabbit/terms/ Privacy Policy: https://www.bridgerapps.com/jabbit/privacy/

Screenshots

Peptide Library and Tracker4 screens
Jabbit4 screens

Verdict

The call

The clearest difference is monetization model: Peptide Library and Tracker at free against Jabbit's free with in-app purchases. Peptide Library and Tracker also leads on ratings volume (25 vs 1). Jabbit's advantage is rating (5.0 vs 4.7). 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. Peptide Library and Tracker sells 2 in-app purchases, starting at $4.99 per month and Jabbit sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Jabbit holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Peptide Library and Tracker has 25 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Peptide Library and Tracker ships an update every 10 days, Jabbit every 8 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
Peptide Library and Tracker versus Jabbit: the parameters behind the verdict, then further details
ParameterPeptide Library and TrackerJabbit
PriceFreeFree
Rating4.7 (25 ratings)5.0 (1 ratings) — better
Positive reviews85.7% of reviews—
Number of ratings25 — better1
Update frequencyEvery 10 daysEvery 8 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better17.0
Further details — not scored
Size78 MB55 MB
Age rating17+17+
DeveloperSuperfime LLCBridger Apps

Customer experience

Peptide Library and Tracker

All ratings25 ratings
Positive92.0%
Neutral4.0%
Negative4.0%
Written reviews7 reviews
Positive85.7%
Neutral14.3%
Negative0.0%

Jabbit

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Peptide Library and Tracker

Subscriptions2
  • Peptide Library Pro Monthly7 Days trial$4.991 Month
  • Peptide Library Pro Yearly7 Days trial$39.991 Year
1 purchases

Jabbit

Subscriptions1
  • Jabbit Pro14 Days trial$9.991 Year

Questions

Is Peptide Library and Tracker free?
Peptide Library and Tracker is free to download, with in-app purchases available.
Is Jabbit free?
Jabbit is free to download, with in-app purchases available.
Which has better reviews, Peptide Library and Tracker or Jabbit?
Jabbit is rated higher. Peptide Library and Tracker averages 4.7 out of 5 from 25 ratings, while Jabbit averages 5.0 from 1 ratings.
Do Peptide Library and Tracker or Jabbit have ads?
Neither Peptide Library and Tracker nor Jabbit shows ads.
Which is updated more often, Peptide Library and Tracker or Jabbit?
Peptide Library and Tracker ships an update every 10 days, and Jabbit every 8 days. Most recently, Peptide Library and Tracker was updated on October 24, 2026 and Jabbit on October 28, 2026.

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