Master VP vs CertCop
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Master VP
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VOYAGE PLANNING - Build voyages with ports and waypoints - Set distances, speeds, port stay, and time zones per leg - Work in Basic or Advanced (coordinate-based) modes - Import routes from MarineTraffic, CSV, RTZ, or GPX - Export current route to RTZ or GPX ROUTE VISUALIZATION - Preview voyages instantly with mini-maps - Open any route directly from the voyage list - Display ECA zones and route compliance - Use cursor and measure tools (EBL/VRM-style workflow) - Use timeline and Day/Night overlays for time-aware planning - Monitor route progress live with real-time position, distance, and ETA AIS OVERLAY (REAL-TIME) -Connect AIS via UDP/TCP (local network) or AISStream (online) - Show live AIS targets with optional labels and motion vectors - Filter targets by radius around own/reference position - Set an AIS target as own vessel from list or directly on the map - Highlight monitored own AIS target for clear visual priority FUEL & BUNKER - Track ROB for fuels and fresh water - Calculate required bunkers with safety margin, reserve, port delays, unpumpable volumes, and optional diesel oil rules - Compare required vs available fuel at a glance VOYAGE MONITORING - Start/stop monitoring directly from the map - Automatically detect active leg and next waypoint from current vessel position - Auto-switch to the next leg while underway - Use ETA source modes: Auto, GPS, AIS, or Custom speed - View watched ETAs in UTC/LT with per-voyage saved settings - Auto-restart monitoring when ETA source parameters change ETA REPORTING - Configure reporting intervals and ports - Export schedules to PDF or Calendar - Set reminders for reporting windows
CertCop
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CertCop is a practical document manager for seafarers. Keep your maritime certificates, passports, visas, medical documents, tanker certificates, sea service records and contract readiness details in one clean app. Designed for working crew, CertCop helps you stay ready before joining a vessel, renewing documents, or sending your certificate list to crewing. Key features: โข Store maritime certificates and document details โข Track expiry dates and remaining validity โข Mark required documents for contract readiness โข Attach certificate scans locally โข Manage sea service history โข Track current onboard/vacation status โข Export clean PDF reports โข Back up and restore app data with iCloud Your data stays under your control. Certificate scans are stored locally on your device and are not uploaded automatically. CertCop is built for seafarers who need a simple, fast and reliable way to keep their documents organized.
Screenshots
Verdict
Master VP and CertCop are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Master VP | CertCop |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | โ |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 17.6 | 17.6 |
| Further details โ not scored | ||
| Size | 7 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Oleksandr Galamutko | Dlyaver Alchik |
In-app purchases
Master VP
No in-app purchases
CertCop
No in-app purchases







