SpoolMate vs Protokit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SpoolMate
Track your 3D printing filament inventory with this app. Easily monitor remaining filament, log usage after prints, and receive low-stock notifications to ensure you always have enough material for your projects.
- Track filament levels
- Log filament usage
- Low-stock notifications
- Support for common materials
- Print history per spool
- One-tap reordering
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Never get caught mid-layer with an empty spool again. Before you start a print, check SpoolMate. See exactly how much filament you have left, make sure you have enough for the job, then log what you used when you're done. It takes seconds and saves ruined prints. TRACK YOUR COLLECTION • See every spool at a glance with color-coded fill indicators • Check remaining filament before you start a print • Log filament used after each print in seconds • Full print history per spool • Supports all common materials — PLA, PLA+, PETG, ABS, ASA, TPU, Nylon, PC, HIPS, and more • Track both 1.75mm and 2.85mm diameter filament NEVER LOSE A SPOOL • Scan QR labels to jump straight to any spool (SpoolMate+) • Print scannable labels for your shelf or storage bins (SpoolMate+) • Low-stock notifications so you can reorder before it's urgent REORDER IN ONE TAP • "Buy More" button on every spool to quickly reorder filament • Searches by brand, material, and color automatically SPOOLMATE+ Upgrade once, own it forever. • Unlimited spools • iCloud sync across all your devices • QR label generation and printing • Full print history (free tier shows last 5) • No ads SpoolMate is built for makers who take their filament seriously. Whether you have 3 spools or 30, SpoolMate keeps your inventory honest.
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.
- 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
Verdict
The clearest difference is ads: Protokit at none against SpoolMate's shown. Protokit also leads on update cadence (every 6 days vs every 2 weeks) and iOS requirement (15.1 vs 17.6). SpoolMate's advantage is ratings volume (3 vs 1). On price, rating, in-app purchases and monetization model 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
Both are free to download. SpoolMate sells 4 one-off in-app purchases and Protokit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for SpoolMate against 5.0 for Protokit. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
SpoolMate ships an update every 2 weeks, Protokit every 6 days. The most recent releases landed on June 27, 2026 and September 19, 2026 respectively.
| Parameter | SpoolMate | Protokit |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 2 weeks | Every 6 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 8 MB | 50 MB |
| Age rating | 4+ | 17+ |
| Developer | Chris TeSelle | Niklas Almstedt |
Customer experience
SpoolMate
Protokit
In-app purchases
SpoolMate
- Small Tip$1.99
- Medium Tip$4.99
- Large Tip$9.99
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- SpoolMate+$14.99
Protokit
- Pep Tracker Pro – Lifetime$24.99





