# Sea/calc distance — Voyage distances & costs

> App for calculating maritime voyage distances, times, and costs. (iPhone/iPad app by Maritech Services Limited.)

- Source: https://appshunter.io/ios/app/seacalc-distance/id1502845291 (this page in markdown: same URL + `.md`)
- Developer: [Maritech Services Limited](https://appshunter.io/developer/1084735243)
- Category: Business, Finance
- Price: Free
- Age rating: 4+
- Requires: iOS 18.6 · 31 MB
- Languages: American English
- Released: 2020-03-26
- Data updated: 2026-08-13
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/seacalc-distance/id1502845291/reviews.md

## What is Sea/calc distance?

Sea/calc distance allows users to plot a route on a map and calculate the distance (including SECA distances) and voyage time between a number of waypoints, which can be locations, vessel AIS positions or points on a map.

- View arrival and departures times in different formats, including the local time at each of the locations in your route
- Exclude certain waypoints to use a different routing option
View and select from a list of daily bunker prices
- Display vessel route in a timeline, showing where the vessel will be at any given time on the route

## Key features

- Plot routes on a map
- Calculate SECA distances
- Estimate voyage time
- View arrival/departure times
- Access daily bunker prices
- Display vessel route timeline

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/seacalc-distance/id1502845291/reviews.md

### 1/5 — Rubbish app

*2022-01-07*

Cannot register therefore email not recognised when signing in
No option to rectify!!!!!!!!!

## Frequently asked questions about Sea/calc distance

### What is Sea/calc distance used for?

Sea/calc distance is used to plot routes on a map, calculate distances (including SECA distances), and estimate voyage times between various waypoints. It also allows users to view arrival and departure times and access daily bunker prices.

### Does Sea/calc distance support different routing options?

Yes, Sea/calc distance allows users to exclude certain waypoints to utilize different routing options. This provides flexibility in planning the most efficient or cost-effective journey.

### Can I see the vessel's position over time with Sea/calc distance?

Yes, the app can display the vessel's route in a timeline, showing its projected position at any given time along the planned route. This is useful for tracking progress and anticipating arrival.

### What kind of waypoints can be used in Sea/calc distance?

Waypoints can include specific locations, vessel AIS positions, or points directly marked on the map. This versatility helps in planning routes based on various data sources.

### Is Sea/calc distance available on multiple devices?

Sea/calc distance is supported on iPhone, iPad, and iPod devices. It is designed for Apple's mobile operating system.

### How often is Sea/calc distance updated?

The app was last updated on May 18, 2026, with version 2.20. This indicates a recent update, suggesting ongoing development and maintenance.

### What is the age rating for Sea/calc distance?

Sea/calc distance has an age rating of 4+. This suggests it is suitable for a wide range of users, including younger individuals.

### Does Sea/calc distance have ads?

No, Sea/calc distance does not contain advertisements. The app is free to use without any ad interruptions.

## Version history (last 5 releases)

### 5.3 — 2026-08-11

* new help documentation

### 5.0 — 2026-07-30

* moved to Swift Package Manager

### 4.0 — 2026-06-16

* minor bug fixes (ID: mpx_initialize_1)

### 3.0 — 2026-06-10

* minor bug fixes (ID: latest_mxp_6_4_1)

### 2.20 — 2026-05-18

* minor bug fixes

## Apps similar to Sea/calc distance

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [ShipWatch](https://appshunter.io/ios/app/shipwatch/id1669206504) | — | Free | Business |
| [Baltic Exchange Ltd](https://appshunter.io/ios/app/baltic-exchange-ltd/id6748230603) | — | Free | Business |
| [SeaSight](https://appshunter.io/ios/app/seasight/id6741316282) | — | Free | Business |
| [World Agent](https://appshunter.io/ios/app/world-agent/id1634188107) | — | Free | Business |
| [SeaMe Recruiter](https://appshunter.io/ios/app/seame-recruiter/id6748079603) | — | Free | Business |

## More apps by Maritech Services Limited

- [Sea/net](https://appshunter.io/ios/app/seanet/id1084735244)
- [Clarksons Gateway](https://appshunter.io/ios/app/clarksons-gateway/id1183833583)
- [T&S SOS](https://appshunter.io/ios/app/t-and-s-sos/id1337034415)
- [Sea/chat](https://appshunter.io/ios/app/seachat/id1440708981)
- [Sea/connect](https://appshunter.io/ios/app/seaconnect/id1478420568)
- [Sea/futures](https://appshunter.io/ios/app/seafutures/id1491934465)

All apps by Maritech Services Limited: https://appshunter.io/developer/1084735243

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*