# AIS Explorer vs ARCO Zeus

The clearest difference is rating: AIS Explorer at 5.0 against ARCO Zeus's 4.0. ARCO Zeus's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

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

AIS Explorer holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 8 respectively.

AIS Explorer ships an update monthly, ARCO Zeus every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | AIS Explorer | ARCO Zeus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ais-explorer/id1670774413/reviews)** | [4.0 (8 ratings)](https://appshunter.io/ios/app/arco-zeus/id6446371700/reviews) |
| Number of ratings | 3 | **8** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 68 MB | 97 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PredictWind Limited](https://appshunter.io/developer/477048590) | [Dominic Policicchio](https://appshunter.io/developer/1710463382) |

## 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 |


### ARCO Zeus

[App page](https://appshunter.io/ios/app/arco-zeus/id6446371700)

Configure, control, and monitor your ARCO Smart Regulator. Customize charging profiles and safety limits for optimal system performance. Offers default profiles for quick setup or expert tuning.

**Highlights:** Configure ARCO Smart Regulator, Monitor system performance, Customize charging profiles, Set safety limits, Choose default battery profiles, Expert tuning assistance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AIS Explorer free?

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

### Is ARCO Zeus free?

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

### Which has better reviews, AIS Explorer or ARCO Zeus?

AIS Explorer is rated higher. AIS Explorer averages 5.0 out of 5 from 3 ratings, while ARCO Zeus averages 4.0 from 8 ratings.

### Do AIS Explorer or ARCO Zeus have ads?

AIS Explorer shows ads; ARCO Zeus does not.

### Which is updated more often, AIS Explorer or ARCO Zeus?

AIS Explorer ships an update monthly, and ARCO Zeus every 2 months. Most recently, AIS Explorer was updated on October 24, 2026 and ARCO Zeus on October 24, 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.*