# inDTSmobile vs SeaTime Tracker

The clearest difference is in-app purchases: inDTSmobile at none against SeaTime Tracker's 4. SeaTime Tracker's advantage is update cadence (weekly vs every 2 months) and iOS requirement (15.1 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. SeaTime Tracker sells 4 in-app purchases, starting at $5.99 per month. inDTSmobile asks for nothing beyond the download.

inDTSmobile ships an update every 2 months, SeaTime Tracker weekly. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | inDTSmobile | SeaTime Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 71 MB | 45 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [in-innovative-navigation GmbH](https://appshunter.io/developer/1504866377) | [Foreland Marine Consultancy Ltd.](https://appshunter.io/developer/1870246618) |

## What reviewers say

### inDTSmobile

[App page](https://appshunter.io/ios/app/indtsmobile/id1504866378)

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

**In-app purchases:** none


### SeaTime Tracker

[App page](https://appshunter.io/ios/app/seatime-tracker-crew-logbook/id6758010893)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $5.99 | per month |
| Annual Subscription | $49.99 | per year |
| Up to 6 months of history | $9.39 | one-time |
| Up to 12 months of history | $19.99 | one-time |


## Frequently asked questions

### Is inDTSmobile free?

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

### Is SeaTime Tracker free?

SeaTime Tracker is free to download, with in-app purchases available.

### Do inDTSmobile or SeaTime Tracker have ads?

Neither inDTSmobile nor SeaTime Tracker shows ads.

### Which is updated more often, inDTSmobile or SeaTime Tracker?

inDTSmobile ships an update every 2 months, and SeaTime Tracker weekly. Most recently, inDTSmobile was updated on October 29, 2026 and SeaTime Tracker on October 31, 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.*