Comparison

GZBtech vs Protokit

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

Head to head
About

GZBtech

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About

Protokit

Log and track peptide cycles, doses, and vials with a powerful, clean interface. Features include a reconstitution calculator, smart scheduling with reminders, and detailed statistics on adherence and progress. Integrates with BodyMetrics for correlating lab results with your protocol.

Highlights
  • Track peptides, blends, pre-mixed vials, and tablets
  • Reconstitution calculator for accurate dosing
  • Smart scheduling with custom reminders
  • Detailed statistics on adherence and progress
  • Injection site logging with rotation reminders
  • BodyMetrics integration for lab data correlation
  • Customizable themes and views
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Protokit — Peptide Tracker & Log Formerly Pep Tracker. Same app, same data, new name. Protokit is a clean, powerful peptide tracker for logging your protocol — cycles, doses, injections and vials, all in one place. Built for people who like to keep track of the details. TRACK FOUR KINDS OF ENTRY - Peptides you reconstitute yourself — vial size and BAC water - Blends — several peptides in one vial, tracked as one - Pre-mixed vials that arrive ready in solution - Tablets — strength per tablet and pack size Each type gets the right fields and calculations. PEPTIDE BLENDS - Enter each component's mg and the shared BAC water - One schedule, one reminder, one injection for the whole blend PEPTIDE MANAGEMENT - Track everything in one place; pause and resume anytime - Remaining doses, injection volume and vial level at a glance - Vial bar shifts color as it runs low, with a warning on your last vial RECONSTITUTION CALCULATOR - Enter vial size and BAC water, dose in mg or mcg - Instantly see injection volume, units and doses per vial - Work out how many vials a whole cycle needs SMART SCHEDULING - Daily, weekly or fully custom schedules - Start a cycle on a future date — set the first dose and it begins then - Morning and evening reminders with the doses due - Private mode: hide names and doses from your lock screen - Flags the day a vial or pack won't stretch far enough CYCLE TRACKING - Set cycle length and rest periods per entry - Progress and day count on the card - Get notified when a cycle or rest period ends STATISTICS - Adherence, doses taken and missed by week, month or year - Dose trends and a per-peptide breakdown - Cycle progress with its own adherence and streak BODY & LABS (BodyMetrics integration) - Import your measurements and bloodwork from BodyMetrics - Correlate your body and lab markers against cycles and doses - See how your body responds over each cycle INJECTION SITE LOG - Log each injection on an anatomical body map - See how recently each area was used, with rotation reminders PROTOCOL VIEW - A clean, shareable overview of your whole protocol - Cards, Compact or Table view, with adjustable text size VITAMINS & MINERALS - A simple daily check-off for your supplements - Weekly overview of days taken and missed (optional — hide it in Settings) ESSENTIAL OR ADVANCED - Essential shows your daily doses and units only - Advanced unlocks stats, cycles, vial stock and Protocol view - Switch anytime — same data, same account YOUR STYLE, YOUR CHOICE - 16 themes across three families - Cyber: Matrix, Cyber, Neon, Amber - Signature: Onyx, Aurora, Mono, Volt - Classic: light or dark with Teal, Indigo, Berry or Ochre CLOUD SYNC - Your data syncs safely across devices with email sign-in PROTOKIT PRO Unlock unlimited peptides with a one-time purchase or an auto-renewing monthly subscription. Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel anytime in your Apple ID settings. Protokit — the peptide tracker built for the details. Protokit is a personal tracking tool for organizing your own records. It does not provide medical advice, dosing recommendations, or instructions of any kind. Always consult a qualified healthcare professional before using any substance. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://almstedt.studio/protokit/privacy/

Screenshots

GZBtech4 screens
Protokit4 screens

Verdict

The call

The clearest difference is in-app purchases: GZBtech at none against Protokit's 1. Protokit's advantage is update cadence (every 6 days vs every 17 months). 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. Protokit sells 1 one-off in-app purchase. GZBtech asks for nothing beyond the download.

UpkeepUpdate frequency

GZBtech ships an update every 17 months, Protokit every 6 days. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 7 level
GZBtech versus Protokit: the parameters behind the verdict, then further details
ParameterGZBtechProtokit
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 17 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size208 MB50 MB
Age rating4+17+
DeveloperCUHOM INC.Niklas Almstedt

In-app purchases

None

GZBtech

No in-app purchases

1 purchases

Protokit

One-time1
  • Pep Tracker Pro – Lifetime$24.99

Questions

Is GZBtech free?
GZBtech is free to download, with no in-app purchases.
Is Protokit free?
Protokit is free to download, with in-app purchases available.
Do GZBtech or Protokit have ads?
Neither GZBtech nor Protokit shows ads.
Which is updated more often, GZBtech or Protokit?
GZBtech ships an update every 17 months, and Protokit every 6 days. Most recently, GZBtech was updated on September 17, 2026 and Protokit on September 19, 2026.

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