Comparison

PepCalc Pro vs PeptideBro

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

Head to head
About

PepCalc Pro

This app offers precise calculations for research protocols, managing inventory, and scheduling tasks. It provides a verifiable audit trail with transparent math and is designed for offline use with a focus on user privacy. Export your records in various formats for external documentation.

Highlights
  • Precision concentration calculations
  • Visual protocol calendar and scheduling
  • Seamless inventory management
  • Verifiable records with audit trail
  • Offline-first data privacy
  • Professional CSV/PDF exporting
Features
Read full description

PepCalc Pro is a professional-grade concentration and measurement tracker built for clarity, precision, and privacy. Designed for meticulous research management, it combines deterministic calculations with a complete lifecycle system—all in a 100% offline-first environment. Manage your protocols with ease using the new visual calendar, bridge calculations directly to your inventory, and maintain a verifiable audit trail with "Show Math" transparency. No ads, no accounts, and no subscriptions. CORE FEATURES Precision Calculations - Calculate concentration and required volume with deterministic accuracy. - Visual unit gauge provides a quick "sanity check" for your measurements. - "Show Math" toggle: View exact formulas and intermediate values for total verification. New: Protocol Calendar & Scheduling - Dedicated visual roadmap for your schedules with custom color-coding. - Create recurring schedules linked to specific calculation snapshots. - On-device reminders ensure you stay on track with your protocol. Seamless Inventory Management - Track vials, remaining amounts, and expiration dates. - Instant Inventory Bridge: Create a matching inventory vial directly from a saved preparation. - Automatic decrement: Log a dose and your inventory updates instantly. - Low-stock and expiration alerts. Verifiable Records (History) - Record completed or skipped entries with timestamps and notes. - Ledger-style history: Every record is tied to an immutable "snapshot" of the math used at that time. - Simple, high-level summaries for recent activity and compliance. Designed for Trust & Privacy - Offline-first: Your data never leaves your device. - One-time purchase: All features included with no subscriptions or hidden fees. - Security: Optional App Lock via Face ID, Touch ID, or PIN. Professional Exporting - Export records as CSV or PDF with custom date-range filtering. - Perfect for external logs, lab notebooks, or personal record-keeping. IMPORTANT NOTICE PepCalc Pro is intended for informational and organizational purposes only. It does not provide medical advice, diagnosis, treatment, or prescriptions. All inputs, outputs, and decisions are the responsibility of the user. Verify all calculations independently.

About

PeptideBro

Instantly calculate precise medication dosages on a visual syringe and organize your entire treatment protocol. Log doses, track injection sites, and manage schedules with reminders, all while keeping your data private and on-device.

Highlights
  • Visual syringe dosage calculation
  • Dose logging and tracking
  • Injection site rotation map
  • Scheduled reminders
  • Biochemistry reference library
  • Progress charting (Pro)
  • Automatic iCloud backup (Pro)
Features
Read full description

Your schedule. Your entries. Your records. PeptideBro is a private tracking journal for the routine you already follow. Keep your schedule, saved entries, injection areas and vials in one place. No PeptideBro account is required. LOG EVERY ENTRY • Record compound, amount, area, time and notes in seconds • Open a prefilled entry from Today or a widget, then review before saving • Undo the entry you just saved; edit or delete past entries anytime YOUR SCHEDULE, CLEARLY ORGANIZED • Select weekdays and start/end dates, or pause your schedule • Distinguish scheduled, recorded, skipped and paused entries in Today and Calendar • Optional reminders before each scheduled time • Pro adds anchored intervals, repeating on/off periods and multiple daily times • Add the free Next entry widget to your Home or Lock Screen; Pro includes the full upcoming schedule widget AREA ROTATION • Explore detailed male or female body models with front and back views • Select an area to see its name and status from your Log • Green marks ready areas; yellow marks the last used area • Ready and Healing labels use elapsed log timing, not a clinical assessment of tissue recovery or safety VIAL INVENTORY • Record a vial's starting volume and the liquid used on each entry • The balance changes only by the volumes you type and your own corrections • Correct spills or discarded quantities without creating entries • Pro adds multiple active vials, unopened stock and entered costs HISTORY AND REFERENCE • Import CSV history with column mapping, validation and duplicate review • Preview a PeptideBro JSON merge before applying changes • Export your records in JSON or CSV for free • Browse a grouped reference library of 28 compounds FREE AND PRO Free includes logging, the area map, two Stack items, one active vial, weekday scheduling, pause/resume, a basic next-entry widget, history import and data export. Optional Pro purchases add the capabilities above plus unlimited Stack items, progress and activity views, mechanism reference notes and automatic backup to your private iCloud. Prices and eligible offers appear before purchase. Subscriptions renew automatically unless canceled; manage them in Apple account settings. A non-renewing lifetime option is available where offered. Canceling a subscription does not delete recorded data. YOUR INFORMATION Records are stored locally unless you choose iCloud backup or export. Widgets and notifications may show schedule details on your screen. No advertising or third-party tracking SDKs are included. Local deletion and iCloud backup deletion are separate controls. For adults 18+. PeptideBro records what you enter. It does not recommend or adjust amounts, prescribe schedules, diagnose, treat, or sell compounds. Many referenced compounds are not approved for human use. Reminders have limits. Make health-related decisions with a licensed clinician. Terms: https://peptidebro.app/terms.html Privacy: https://peptidebro.app/privacy.html Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PepCalc Pro4 screens
PeptideBro4 screens

Verdict

The call

The clearest difference is price: PeptideBro at Free against PepCalc Pro's $2.99. PeptideBro also leads on update cadence (every 2 weeks vs every 4 months) and ratings volume (3 vs 1). PepCalc Pro's advantage is in-app purchases (none vs 3) and chart position (#172 vs unranked). On rating, review sentiment and ads 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

PeptideBro is free to download; PepCalc Pro costs $2.99 up front. PeptideBro sells 3 in-app purchases, starting at $4.99 per month. PepCalc Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for PepCalc Pro against 5.0 for PeptideBro. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

PepCalc Pro ships an update every 4 months, PeptideBro every 2 weeks. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard8 real differences · 3 level
PepCalc Pro versus PeptideBro: the parameters behind the verdict, then further details
ParameterPepCalc ProPeptideBro
Price$2.99Free — better
Rating5.0 (1 ratings)5.0 (3 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings13 — better
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
Best chart rank#172 — better—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size41 MB11 MB
Age rating17+17+
DeveloperMatthew FishmanMaicol F Thompson

Customer experience

PepCalc Pro

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PeptideBro

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

PepCalc Pro

No in-app purchases

3 purchases

PeptideBro

Subscriptions2
  • PeptideBro Pro Monthly$4.991 Month
  • PeptideBro Pro Yearly7 Days trial$39.991 Year
One-time1
  • PeptideBro Pro Lifetime$99.99

Questions

Is PepCalc Pro free?
PepCalc Pro costs $2.99, with no in-app purchases.
Is PeptideBro free?
PeptideBro is free to download, with in-app purchases available.
Which has better reviews, PepCalc Pro or PeptideBro?
PepCalc Pro and PeptideBro are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do PepCalc Pro or PeptideBro have ads?
Neither PepCalc Pro nor PeptideBro shows ads.
Which is updated more often, PepCalc Pro or PeptideBro?
PepCalc Pro ships an update every 4 months, and PeptideBro every 2 weeks. Most recently, PepCalc Pro was updated on November 9, 2026 and PeptideBro on October 31, 2026.

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