# Thales HSE vs MarinersBook

The clearest difference is update cadence: MarinersBook at every 10 days against Thales HSE's every 46 months. Thales HSE's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Thales HSE ships an update every 46 months, MarinersBook every 10 days. Both last shipped on October 2, 2026.

## The numbers

| Metric | Thales HSE | MarinersBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 10 days** |
| Size | 24 MB | 41 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Trond Hansen](https://appshunter.io/developer/516846212) | [Oguzcan Kocaman](https://appshunter.io/developer/6795064987) |

## What reviewers say

### Thales HSE

[App page](https://appshunter.io/ios/app/thales-hse/id969789939)

**In-app purchases:** none


### MarinersBook

[App page](https://appshunter.io/ios/app/marinersbook/id6795064984)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thales HSE free?

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

### Is MarinersBook free?

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

### Do Thales HSE or MarinersBook have ads?

Neither Thales HSE nor MarinersBook shows ads.

### Which is updated more often, Thales HSE or MarinersBook?

Thales HSE ships an update every 46 months, and MarinersBook every 10 days. Most recently, Thales HSE was updated on October 2, 2026 and MarinersBook on October 2, 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.*