NaviCost vs MarinersBook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NaviCost
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NaviCost Professional voyage cost estimation and bunker price comparison for the maritime industry. NaviCost helps ship operators, charterers, brokers and maritime professionals quickly estimate voyage expenses and compare bunker prices across major ports worldwide. Features • Compare bunker prices for VLSFO, HSFO and MGO • Find the lowest bunker prices instantly • Calculate voyage costs in seconds • Fast and intuitive interface • Regularly updated bunker price database • Designed specifically for commercial shipping professionals Whether you’re planning a voyage, preparing a freight calculation, or evaluating bunker options, NaviCost provides the essential information you need to make faster operational decisions. NaviCost is built for: * Ship Owners * Charterers * Ship Operators * Brokers * Marine Superintendents * Port Captains * Maritime Professionals Save time, reduce fuel expenses and make smarter voyage planning decisions with NaviCost.
MarinersBook
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MarinersBook is the ultimate professional networking and career development platform built exclusively for the maritime industry. Whether you are a seafarer, officer, marine engineer, or shipping professional, MarinersBook connects you with the global maritime community. Key Features: Global Networking: Connect with colleagues, crew members, and maritime experts worldwide. Maritime Jobs: Discover and apply for the latest job opportunities in the shipping industry. Instant Messaging: Chat with your connections in real-time with push notifications. Professional Profile: Build your digital maritime CV and showcase your sea service and certificates. Multi-language Support: Available in 7 different languages for a truly global experience. Join MarinersBook today and navigate your maritime career to new horizons!
Screenshots
Verdict
The clearest difference is device support: MarinersBook at 3 against NaviCost's 1. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
NaviCost ships an update every 2 weeks, MarinersBook every 10 days. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.
| Parameter | NaviCost | MarinersBook |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 32 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Denys Lysiuk | Oguzcan Kocaman |
In-app purchases
NaviCost
No in-app purchases
MarinersBook
No in-app purchases








