Comparison

Qastor vs OrSoft Mariner PRO

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

Head to head
About

Qastor

Features
Read full description

Qastor is a professional marine navigation and pilotage tool for maritime pilots. It combines high-precision positioning, live AIS traffic, and detailed nautical charts to support safe passage through harbors, ports, and confined waters. Built for the demands of real-time pilotage, Qastor gives you the situational awareness you need, accurate vessel position and heading, under-keel clearance, predicted tracks, and berth approach information, all on a portable display you can bring aboard any ship. Key features: Real-time AIS display of surrounding vessel traffic High-accuracy GPS positioning and heading Detailed nautical charts with depth and tidal information Docking and berth approach support Route and passage planning Works offline, independent of the ship's own systems Trusted by marine pilots for navigation in some of the world's busiest ports and waterways.

About

OrSoft Mariner PRO

Features
Read full description

OrSoft Mariner PRO is a professional-grade maritime navigation and tracking application. Built for precision and reliability, it offers essential tools for every sailor. Key features include an advanced Anchor Alarm, a detailed Logbook, Fleet Command, and Maintenance tracking. Whether you are sailing single-handed or managing a fleet, OrSoft Mariner PRO provides the stability and accuracy you need on the open water. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://udisa.com/Privacy

Screenshots

Qastor3 screens
OrSoft Mariner PRO4 screens

Verdict

The call

The clearest difference is iOS requirement: Qastor at 15.0 against OrSoft Mariner PRO's 17.0. On price, ads, in-app purchases and device support 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. Qastor sells 3 in-app purchases, starting at $619.00 per year and OrSoft Mariner PRO sells 2 in-app purchases, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 5 level
Qastor versus OrSoft Mariner PRO: the parameters behind the verdict, then further details
ParameterQastorOrSoft Mariner PRO
PriceFreeFree
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size257 MB78 MB
Age rating4+4+
DeveloperQuality Positioning ServicesMuhammet Salim ORHANLI

In-app purchases

3 purchases

Qastor

Subscriptions2
  • Navigation$619.001 Year
  • Navigation + Docking$989.001 Year
One-time1
  • 14-day TrialFree
2 purchases

OrSoft Mariner PRO

Subscriptions1
  • Mariner PRO Annual$29.991 Year
One-time1
  • Mariner PRO Lifetime$19.99

Questions

Is Qastor free?
Qastor is free to download, with in-app purchases available.
Is OrSoft Mariner PRO free?
OrSoft Mariner PRO is free to download, with in-app purchases available.
Do Qastor or OrSoft Mariner PRO have ads?
Neither Qastor nor OrSoft Mariner PRO shows ads.

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