# Sea/calc distance vs Dualog Mail

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Sea/calc distance | Dualog Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/dualog-mail/id6457316086/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 2 months | — |
| Monetization | Free | Free |
| Size | 31 MB | 29 MB |
| Requires iOS | 18.6 | **14.2** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Maritech Services Limited](https://appshunter.io/developer/1084735243) | [Dualog AS](https://appshunter.io/developer/1139734651) |

## What reviewers say

### Sea/calc distance

[App page](https://appshunter.io/ios/app/seacalc-distance/id1502845291)

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.

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

**Features:** Vision Pro support

**In-app purchases:** none


### Dualog Mail

[App page](https://appshunter.io/ios/app/dualog-mail/id6457316086)

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.

**Highlights:** Crew credential login, Read, send, and organize emails, Instant push alerts, Encryption and two-factor authentication, Mobile inbox management

**In-app purchases:** none


## Frequently asked questions

### Is Sea/calc distance free?

Sea/calc distance is free to download, with no in-app purchases.

### Is Dualog Mail free?

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

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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.*