JS Marine Bunker Calculator

Livejsmarine1 app · 59 installsToolsFreecom.jsmarine.bunkercalc

Professional maritime bunker calculation & correction tool for marine engineers.

Alert me★ WatchOpen in Play ↗
Total installs
59
exact · Play shows 50+
Installs / day
+1
7-day avg · last day +1
Rating
—★
— ratings · — reviews
Released
9 Sept 2026
1mo ago
Last update
15 Sept 2026
v1.0.1.1 · 28d ago
Countries
—
not checked yet

Installs per day

gain of the exact counter
01234511 Oct12 Oct13 Oct

Lifetime avg ≈ 2/day (all installs ÷ days since release)

Daily tracking since 10 Oct 2026 · history grows every day

Install history

exact counter from Google Play
565758596010 Oct12 Oct13 Oct
02550759 Sept10 Oct13 Oct

Dashed: estimate from the release date (no daily data before 10 Oct 2026) · time axis compressed before that day

Daily tracking since 10 Oct 2026 · history grows every day

Change timeline

Full history

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • No data shared with third parties
  • No data collected

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

4 in 1 group
0 Sensitive0 Notable4 Routine
OtherRoutine4

Access to miscellaneous device features that don't fit other categories

  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE
  • Read Google service settings stored on your deviceread Google service configuration · com.google.android.providers.gsf.permission.READ_GSERVICES

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description
JS Marine Bunker Calculator is a specialized, high-precision utility designed specifically for Marine Engineers, Chief Engineers, and Maritime Professionals. Streamline your onboard fuel oil calculations and bunkering operations with accuracy and ease. Whether performing daily soundings, calculating density corrections, or monitoring bunkering rates during operations, JS Marine Bunker Calculator provides the reliability you need on board. Key Features: - Standardized Density & Volume Correction: - Calculate Volume Correction Factors (VCF) based on observed temperature and standard density (15℃ equivalents) adhering to international marine ASTM standards. - Instant conversion between Mass (Metric Tons) and Volume (Cubic Meters). - Bunkering Operation Management: - Real-time calculation of received fuel quantities during bunkering. - Estimate flow rates, remaining bunkering time, and target volume completion effortlessly. - Tank Sounding & ROB Tracking: - Input tank sounding/ullage figures to obtain precise remaining fuel quantities. - Summarize Remaining On Board (ROB) figures for daily engine logs and noon reports. - Designed for Maritime Use: - Clean, high-contrast, and intuitive user interface optimized for fast input during watchkeeping and engine room duties. - Works completely offline without requiring an active internet connection at sea. Recommended For: - Chief Engineers, 2nd Engineers, 3rd Engineers, and Engine Cadets - Marine Surveyors & Bunker Surveyors - Technical Superintendents and Vessel Operations Teams Take the complexity out of fuel calculations and ensure precise reporting on every voyage with "JS Marine Bunker Calculator".

What's new

• Performance and stability improvements • Fixed screen orientation to portrait mode • Enabled side-by-side input for Bunker A and Bunker B in Mixed Bunker calculation

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