# SEAiq vs WatchMate

The clearest difference is rating: SEAiq at 4.7 against WatchMate's 3.3. SEAiq also leads on review sentiment (61% vs 44%) and ratings volume (194 vs 12). WatchMate's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. SEAiq sells 2 in-app purchases, starting at $15.00 per year. WatchMate asks for nothing beyond the download.

SEAiq holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: SEAiq has 194 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 61% of SEAiq's written reviews are positive against 44% of WatchMate's.

SEAiq ships an update every 3 weeks, WatchMate every 2 months. Both last shipped on October 23, 2026.

## The numbers

| Metric | SEAiq | WatchMate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (194 ratings)](https://appshunter.io/ios/app/seaiq/id529514298/reviews)** | [3.3 (12 ratings)](https://appshunter.io/ios/app/watchmate/id557485481/reviews) |
| Number of ratings | **194** | 12 |
| Positive reviews | **61.3% of reviews** | 44.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 54 MB | 14 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sakhalin](https://appshunter.io/developer/517213477) | [Garmin New Zealand Ltd](https://appshunter.io/developer/557485484) |

## What reviewers say

### SEAiq

[App page](https://appshunter.io/ios/app/seaiq/id529514298)

This marine navigation app offers comprehensive charting capabilities, allowing users to load various standard chart formats and download NOAA charts. It includes essential navigation tools like waypoints, routes, and an anchor alarm, along with weather overlays and NMEA/AIS integration.

**Highlights:** Load custom S-57, S-63, iENC, BSB, KAP charts, Automatic NOAA chart downloads, Waypoints, routes, and tracks, Anchor alarm, Automatic weather downloads, NMEA and AIS integration

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Annual | $15.00 | per year |
| Upgrade for Premium Features | $49.99 | one-time |

**What reviewers like**

- 👍 Highly reliable navigation app
- 💡 Tons of features
- ✨ Clean and sensical interface
- 🚀 Versatile for plotting routes/waypoints
- 📊 Estimating AIS target crossing range

**What reviewers complain about**

- 😩 Tedious to plot a course
- 🔧 Complicated chart setup initially
- 🤔 Not user friendly
- 📚 Instructions not very helpful
- ⏳ Time wasted on simple things

**Reported bugs**

- No access to premium features after payment
- Chart downloads fail if app is not on screen
- App freezes when trying to delete
- App crashes

**Requested features**

- Simplify course plotting
- Add support for .MBTiles
- Add VMG feature
- Add support for .MBTiles
- Add support for .MBTiles


### WatchMate

[App page](https://appshunter.io/ios/app/watchmate/id557485481)

This app provides remote control and situational awareness for your Vesper Marine AIS Transponder. View AIS targets, manage alarms, and control transponder settings directly from your mobile device.

**Highlights:** View AIS targets, Manage collision prevention alarms, Control Anchor Watch alarm, View GPS position, course, and speed, Remote control transponder settings, Configure vessel AIS static data, Perform firmware upgrades

**In-app purchases:** none


## Frequently asked questions

### Is SEAiq free?

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

### Is WatchMate free?

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

### Which has better reviews, SEAiq or WatchMate?

SEAiq is rated higher. SEAiq averages 4.7 out of 5 from 194 ratings, while WatchMate averages 3.3 from 12 ratings.

### Do SEAiq or WatchMate have ads?

Neither SEAiq nor WatchMate shows ads.

### Which is updated more often, SEAiq or WatchMate?

SEAiq ships an update every 3 weeks, and WatchMate every 2 months. Most recently, SEAiq was updated on October 23, 2026 and WatchMate on October 23, 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.*