# Watch Chartplotter vs FreeDive Ultra

The clearest difference is price: FreeDive Ultra at Free against Watch Chartplotter's $9.99. FreeDive Ultra also leads on ratings volume (5 vs 1) and iOS requirement (17.6 vs 26.0). Watch Chartplotter's advantage is in-app purchases (none vs 2) and ads (none vs shown). On rating, update cadence and device support there is nothing between them.

FreeDive Ultra is free to download; Watch Chartplotter costs $9.99 up front. FreeDive Ultra sells 2 in-app purchases, starting at $3.99 per month. Watch Chartplotter asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Watch Chartplotter against 5.0 for FreeDive Ultra. That said, the two scores are not equally well evidenced: FreeDive Ultra has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of Watch Chartplotter's written reviews are positive against 82% of FreeDive Ultra's.

Watch Chartplotter ships an update weekly, FreeDive Ultra every 2 weeks. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Watch Chartplotter | FreeDive Ultra |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/watch-chartplotter/id6459739045/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/freedive-ultra/id6760556868/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | **100.0% of reviews** | 81.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 10 MB | 52 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Evan Hallein](https://appshunter.io/developer/336761283) | [ALEXIS EDWARD ARGENT](https://appshunter.io/developer/1884968923) |

## What reviewers say

### Watch Chartplotter

[App page](https://appshunter.io/ios/app/watch-chartplotter/id6459739045)

This performance marine GPS transforms your Apple Watch into a tactical racing computer. It provides real-time speed, VMG, distance to mark, and offline marine charts for competitive sailors and windsurfers. Plan courses on your iPhone and sync them directly to your watch for seamless navigation.

**Highlights:** Real-time VMG and speed metrics, Waypoint navigation with haptic feedback, Offline marine charts (NOAA, AHO, OpenSeaMap), Water Lock mode, HealthKit integration for workout logging, Custom WMS and XYZ map server support

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### FreeDive Ultra

[App page](https://appshunter.io/ios/app/freedive-ultra/id6760556868)

This app automatically tracks freedives on Apple Watch Ultra, recording depth, time, and temperature. It offers GPS mapping of your route, recovery timers with heart rate, and detailed session analysis on your iPhone. Log conditions, add notes, and review dive profiles.

**Highlights:** Automatic dive tracking, GPS route mapping, Real-time depth, time, temperature, Recovery timer with heart rate, Dive spot saving and navigation, Detailed dive profile charts, Session logging and notes

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FreeDive Ultra Pro | $3.99 | per month |
| FreeDive Ultra Pro | $25.99 | per year |


## Frequently asked questions

### Is Watch Chartplotter free?

Watch Chartplotter costs $9.99, with no in-app purchases.

### Is FreeDive Ultra free?

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

### Which has better reviews, Watch Chartplotter or FreeDive Ultra?

Watch Chartplotter and FreeDive Ultra are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do Watch Chartplotter or FreeDive Ultra have ads?

FreeDive Ultra shows ads; Watch Chartplotter does not.

### Which is updated more often, Watch Chartplotter or FreeDive Ultra?

Watch Chartplotter ships an update weekly, and FreeDive Ultra every 2 weeks. Most recently, Watch Chartplotter was updated on October 14, 2026 and FreeDive Ultra on October 11, 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.*