McDistance vs PSC Check
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
McDistance
Easily calculate accurate distances between over 10,000 ports worldwide. This app provides precise voyage estimations for simple or complex journeys, with visual route mapping and cloud data saving.
- Accurate port distance database (10,000+ ports)
- Visual route on offline/online maps
- Voyage estimation for complex routes
- Cloud data saving and sharing
- Fuel and diesel oil price updates
- Email estimation results
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McDistance is the world's best application for getting ports distance and making your voyage estimation quickly. Using it you would get the accurate distance between any ports, which supports more than 10,000 ports. Moreover, it can help you to make the precise estimation for any simple or complex voyage easily. Features: - Accurate port distance database include more than 10,000 ports - Show the visual route on offline map or online map. - Get the best route by setting Routing Points. - Available for any complex voyage with multi-port loading and multi-port discharging. - Save your voyage estimation data in the cloud. - Share the estimation data with the desktop and web applications. - Get the latest fuel and diesel oil prices. - Send voyage estimation result with email. - Support Chinese and English Language Online customer service: SKYPE/MSN - marinecircle@hotmail.com; QQ - 2325647780 Support Email: support@marinecircle.com
PSC Check
This app assists with pre-departure equipment checks for maritime vessels, helping to reduce the risk of inspection detentions and deficiencies. It categorizes items by location, allows for input of inspection results with notes and photos, and generates PDF reports. Users can also review statistical data on common deficiencies.
- Categorized equipment checklist by location
- Input inspection results with notes and photos
- Generate PDF reports for shore-side forwarding
- Analyze detainable deficiency statistics
- Regular updates for checklist and statistics
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ARRIVAL CHECKLIST for PSC is the preparatory onboard equipment checklist mobile app to help minimize the risk of PSC detentions and deficiencies. Key features: - The app categorizes items that are frequently pointed out as deficiency at PSC inspections by location. - Inspection results can be input into the system along with notes and photos for each corresponding checklist item. - Users have the option of creating a PDF version of the completed results, which can be forwarded shore side. - Users can also confirm the statistical data and the tendency of detainable deficiencies in across a number of major PSC areas. - Updates are available for the checklist and statistics to ensure the app has the latest PSC data.
Screenshots
Verdict
The clearest difference is update cadence: McDistance at monthly against PSC Check's every 10 months. McDistance also leads on ratings volume (5 vs 1). On price, rating, 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.
On the App Store both sit at effectively the same score — 5.0 for McDistance against 5.0 for PSC Check. That said, the two scores are not equally well evidenced: McDistance has 5 ratings behind it against 1, so its average is the more settled of the two.
McDistance ships an update monthly, PSC Check every 10 months. The most recent releases landed on August 14, 2026 and July 6, 2026 respectively.
| Parameter | McDistance | PSC Check |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (1 ratings) |
| Positive reviews | 70.0% of reviews | — |
| Number of ratings | 5 — better | 1 |
| Update frequency | Monthly — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 64 MB | 27 MB |
| Age rating | 4+ | 17+ |
| Developer | MarineCircle Info Tech Co. Ltd. | NIPPON KAIJI KYOKAI GENERAL INCORPORATED FOUNDATION |
Customer experience
McDistance
PSC Check
In-app purchases
McDistance
No in-app purchases
PSC Check
No in-app purchases
