# McDistance vs PSC Check

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.

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.

## The numbers

| Metric | McDistance | PSC Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/mcdistance/id765045905/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/psc-check/id1181775762/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | Free | Free |
| Size | 64 MB | 27 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MarineCircle Info Tech Co. Ltd.](https://appshunter.io/developer/765045908) | [NIPPON KAIJI KYOKAI GENERAL INCORPORATED FOUNDATION](https://appshunter.io/developer/956676437) |

## What reviewers say

### McDistance

[App page](https://appshunter.io/ios/app/mcdistance/id765045905)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### PSC Check

[App page](https://appshunter.io/ios/app/psc-check/id1181775762)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is McDistance free?

McDistance is free to download, with no in-app purchases.

### Is PSC Check free?

PSC Check is free to download, with no in-app purchases.

### Which has better reviews, McDistance or PSC Check?

McDistance and PSC Check are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do McDistance or PSC Check have ads?

Neither McDistance nor PSC Check shows ads.

### Which is updated more often, McDistance or PSC Check?

McDistance ships an update monthly, and PSC Check every 10 months. Most recently, McDistance was updated on August 14, 2026 and PSC Check on July 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*