# AIS Explorer vs Sena Marine

The clearest difference is in-app purchases: Sena Marine at none against AIS Explorer's 3. Sena Marine also leads on ads (none vs shown). AIS Explorer's advantage is update cadence (monthly vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. AIS Explorer sells 3 in-app purchases, starting at $49.00 per month. Sena Marine asks for nothing beyond the download.

AIS Explorer ships an update monthly, Sena Marine every 3 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | AIS Explorer | Sena Marine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ais-explorer/id1670774413/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 68 MB | 53 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PredictWind Limited](https://appshunter.io/developer/477048590) | [Sena Technologies](https://appshunter.io/developer/888785841) |

## What reviewers say

### AIS Explorer

[App page](https://appshunter.io/ios/app/ais-explorer/id1670774413)

Track ships and yachts globally in real-time with advanced satellite and terrestrial AIS receivers. Offers vessel search, favorites, port of call details, and integrated weather forecasts with routing for ETAs. Provides comprehensive satellite AIS data.

**Highlights:** Real-time Satellite AIS, Real-time Terrestrial AIS, Search Vessels, Save To Favourites, Last Port of Call, Advanced Weather Forecasts, Weather Routing - ETA

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AIS Pro monthly | $49.00 | per month |
| AIS Pro 3 monthly | $99.00 | per 3 months |
| AIS Pro Annual | $249.00 | per year |


### Sena Marine

[App page](https://appshunter.io/ios/app/sena-marine/id6446004670)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AIS Explorer free?

AIS Explorer is free to download, with in-app purchases available.

### Is Sena Marine free?

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

### Do AIS Explorer or Sena Marine have ads?

AIS Explorer shows ads; Sena Marine does not.

### Which is updated more often, AIS Explorer or Sena Marine?

AIS Explorer ships an update monthly, and Sena Marine every 3 months. Most recently, AIS Explorer was updated on October 24, 2026 and Sena Marine on October 26, 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.*