# AIS Explorer vs Maxtek Smart Calculator

The clearest difference is in-app purchases: Maxtek Smart Calculator at none against AIS Explorer's 3. Maxtek Smart Calculator also leads on ads (none vs shown) and update cadence (every 8 days vs monthly). AIS Explorer's advantage is ratings volume (3 vs 1). On price, rating 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. Maxtek Smart Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for AIS Explorer against 5.0 for Maxtek Smart Calculator. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

AIS Explorer ships an update monthly, Maxtek Smart Calculator every 8 days. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | AIS Explorer | Maxtek Smart Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/ais-explorer/id1670774413/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/maxtek-smart-calculator/id6535658380/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 68 MB | 24 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [PredictWind Limited](https://appshunter.io/developer/477048590) | [Maxtek](https://appshunter.io/developer/1570100044) |

## 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 |


### Maxtek Smart Calculator

[App page](https://appshunter.io/ios/app/maxtek-smart-calculator/id6535658380)

Calculates the optimal number of light bulbs required for a room using sensor data and an advanced formula. Helps determine the perfect lighting setup.

**Highlights:** Sensor-based calculation, Advanced formula, Optimal bulb quantity, Room lighting optimization

**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 Maxtek Smart Calculator free?

Maxtek Smart Calculator is free to download, with no in-app purchases.

### Which has better reviews, AIS Explorer or Maxtek Smart Calculator?

AIS Explorer and Maxtek Smart Calculator are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do AIS Explorer or Maxtek Smart Calculator have ads?

AIS Explorer shows ads; Maxtek Smart Calculator does not.

### Which is updated more often, AIS Explorer or Maxtek Smart Calculator?

AIS Explorer ships an update monthly, and Maxtek Smart Calculator every 8 days. Most recently, AIS Explorer was updated on October 14, 2026 and Maxtek Smart Calculator on October 10, 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.*