Comparison

BKBX vs Peptide Library and Tracker

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

Head to head

Peptide Library and Tracker

Track, Log & Compare Peptides

Free

💪 Health & Fitness

★ 4.725 ratingsView app →

About

BKBX

Features

Read full description

Com o BKBX, todos os alunos das academias que usam o EVO conseguem levar a experiência do treino para onde estiverem! Veja tudo que o BKBX oferece para a sua experiência de treino: - Acesse seus TREINOS - Consulte a AGENDA de aulas: faça check-in, consulte horários, reserve lugar na sala e, se aula que você quer estiver lotada, seja notificado assim que tiver vaga disponível! - NOTIFICAÇÕES: o BKBX avisa das suas próximas atividades ou se alguém te mandou uma mensagem, assim você não corre o risco de perder mais nenhuma aula ou aquele recadinho importante! E muito mais!

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

Screenshots

BKBX3 screens

Peptide Library and Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: BKBX at none against Peptide Library and Tracker's 2. BKBX also leads on iOS requirement (12.0 vs 16.4). Peptide Library and Tracker's advantage is update cadence (every 10 days vs monthly). On price, ads and device support 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. BKBX asks for nothing beyond the download.

UpkeepUpdate frequency

BKBX ships an update monthly, Peptide Library and Tracker every 10 days. The most recent releases landed on September 21, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level

BKBX versus Peptide Library and Tracker: the parameters behind the verdict, then further details
Parameter	BKBX	Peptide Library and Tracker
Price	Free	Free
Rating	—	4.7 (25 ratings) — better
Positive reviews	—	85.7% of reviews
Number of ratings	—	25 — better
Update frequency	Monthly	Every 10 days — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	—	Free
Devices	iPhone, iPod	iPhone, iPad
Requires iOS	12.0 — better	16.4
Further details — not scored
Size	59 MB	78 MB
Age rating	12+	17+
Developer	Enfoque Deportivo Fyt SAPI de CV	Superfime LLC

In-app purchases

None

BKBX

No 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

Questions

Is BKBX free?

BKBX is free to download, with no in-app purchases.

Is Peptide Library and Tracker free?

Peptide Library and Tracker is free to download, with in-app purchases available.

Do BKBX or Peptide Library and Tracker have ads?

Neither BKBX nor Peptide Library and Tracker shows ads.

Which is updated more often, BKBX or Peptide Library and Tracker?

BKBX ships an update monthly, and Peptide Library and Tracker every 10 days. Most recently, BKBX was updated on September 21, 2026 and Peptide Library and Tracker on October 24, 2026.