Comparison

AuraCenters 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
About

AuraCenters

Features
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Aura Fitness – Your gym and health companion Aura Fitness keeps your gym membership, nutrition, and progress in one place so you can focus on training and recovery. Track your nutrition Log meals with photos and see calories and macros (fat, carbs, sugar, protein, fiber). Set daily calorie targets and follow your progress with clear, simple stats. Review added meals and meal plans in one screen. Goals & workouts Set and follow fitness goals. View assigned workouts and mark them complete. Use the health dashboard to see how you’re doing over time. Subscription made simple See your active membership and subscription details. Freeze your subscription when you’re away (holiday, injury, travel). Unfreeze when you’re back, without losing your plan. Stay connected Check in and out with attendance. Use QR at the gym for quick access. Get the latest news and updates from your gym. Your profile & progress Manage your profile and view body measurements (InBody) when your gym offers them. Keep everything in one account, on one screen. Aura Fitness is built for members who want one app for the gym, their diet, and their membership—so you can train smarter and stay in control. Download Aura Fitness and bring your gym experience into one app.

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

AuraCenters4 screens
Peptide Library and Tracker4 screens

Verdict

The call

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

UpkeepUpdate frequency

AuraCenters ships an update monthly, Peptide Library and Tracker every 10 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
AuraCenters versus Peptide Library and Tracker: the parameters behind the verdict, then further details
ParameterAuraCentersPeptide Library and Tracker
PriceFreeFree
Rating—4.7 (25 ratings) — better
Positive reviews—85.7% of reviews
Number of ratings—25 — better
Update frequencyMonthlyEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size47 MB78 MB
Age rating4+17+
DeveloperAura CentersSuperfime LLC

In-app purchases

None

AuraCenters

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 AuraCenters free?
AuraCenters 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 AuraCenters or Peptide Library and Tracker have ads?
Neither AuraCenters nor Peptide Library and Tracker shows ads.
Which is updated more often, AuraCenters or Peptide Library and Tracker?
AuraCenters ships an update monthly, and Peptide Library and Tracker every 10 days. Most recently, AuraCenters was updated on October 25, 2026 and Peptide Library and Tracker on October 24, 2026.

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