# SkunkTracker vs MileMaps

The clearest difference is in-app purchases: SkunkTracker at none against MileMaps's 1. MileMaps's advantage is update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MileMaps sells 1 in-app purchase, starting at $1.99 per month. SkunkTracker asks for nothing beyond the download.

SkunkTracker ships an update every 3 months, MileMaps monthly. The most recent releases landed on October 27, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SkunkTracker | MileMaps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/skunktracker/id1083759544/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 2 MB | 63 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Geographics](https://appshunter.io/developer/286844996) | [文亮 张](https://appshunter.io/developer/1698877259) |

## What reviewers say

### SkunkTracker

[App page](https://appshunter.io/ios/app/skunktracker/id1083759544)

This app provides live, updating maps of ships and boats using AIS data. It connects to your AIS receivers or public network feeds to display vessel locations. Requires an AIS radio or access to an AIS data feed to function.

**Highlights:** Live AIS data display, Map visualization of vessels, Supports WiFi AIS receivers, Integrates with public AIS feeds, Real-time vessel location updates

**Features:** Vision Pro support

**In-app purchases:** none


### MileMaps

[App page](https://appshunter.io/ios/app/milemaps-offline-gps/id6453168694)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专业版 | $1.99 | per month |


## Frequently asked questions

### Is SkunkTracker free?

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

### Is MileMaps free?

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

### Do SkunkTracker or MileMaps have ads?

Neither SkunkTracker nor MileMaps shows ads.

### Which is updated more often, SkunkTracker or MileMaps?

SkunkTracker ships an update every 3 months, and MileMaps monthly. Most recently, SkunkTracker was updated on October 27, 2026 and MileMaps on October 18, 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.*