Sea/calc distance vs Dualog Mail
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sea/calc distance
Calculate voyage distances, times, and costs between waypoints on a map. View arrival/departure times, bunker prices, and vessel routes on a timeline. Exclude waypoints for alternative routing.
- Plot routes on a map
- Calculate SECA distances
- Estimate voyage time
- View arrival/departure times
- Access daily bunker prices
- Display vessel route timeline
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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
Dualog Mail
Manage your professional email on the go with secure access to your inbox. Receive instant notifications for new messages and organize your communications efficiently from your mobile device.
- Crew credential login
- Read, send, and organize emails
- Instant push alerts
- Encryption and two-factor authentication
- Mobile inbox management
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Stay connected on board or at home with Dualog Mail. - Log in with your crew credentials - Read, send and organise email on phone or tablet - Instant push alerts for new messages - Protected by encryption and two-factor authentication Requires an active Dualog Mail account from your shipping company. Download Dualog Mail and keep your inbox close wherever you are.
Screenshots
Verdict
The clearest difference is device support: Sea/calc distance at 2 against Dualog Mail's —. Dualog Mail's advantage is iOS requirement (14.2 vs 18.6). On price, review sentiment, in-app purchases and monetization model 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.
| Parameter | Sea/calc distance | Dualog Mail |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | — |
| Ads | No | — |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | — |
| Requires iOS | 18.6 | 14.2 — better |
| Further details — not scored | ||
| Size | 31 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Maritech Services Limited | Dualog AS |
Customer experience
Sea/calc distance
Dualog Mail
In-app purchases
Sea/calc distance
No in-app purchases
Dualog Mail
No in-app purchases
Questions
Is Sea/calc distance free?
Is Dualog Mail free?
Other comparisons
