# Surf Coach vs Watch Chartplotter

The clearest difference is in-app purchases: Watch Chartplotter at none against Surf Coach's 1. Watch Chartplotter also leads on update cadence (every 5 days vs every 5 weeks) and chart position (#103 vs unranked). Surf Coach's advantage is price ($3.99 vs $9.99) and iOS requirement (14.0 vs 26.0). On ads and device support there is nothing between them.

Surf Coach costs $3.99 and Watch Chartplotter $9.99 up front. Surf Coach sells 1 one-off in-app purchase. Watch Chartplotter asks for nothing beyond the download.

Surf Coach ships an update every 5 weeks, Watch Chartplotter every 5 days. The most recent releases landed on September 24, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Surf Coach | Watch Chartplotter |
| --- | --- | --- |
| Price | **$3.99** | $9.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/watch-chartplotter/id6459739045/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | — | Paid |
| Best chart rank | — | **#103** |
| Size | 173 MB | 10 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Martin Fitzgibbons](https://appshunter.io/developer/1492785280) | [Evan Hallein](https://appshunter.io/developer/336761283) |

## What reviewers say

### Surf Coach

[App page](https://appshunter.io/ios/app/surf-coach/id1509723408)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase Surf Coach Tools | Free | one-time |


### Watch Chartplotter

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

**Currently charting:** #103 Top Paid · Sports (US App Store)

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


## Frequently asked questions

### Is Surf Coach free?

Surf Coach costs $3.99, and also offers in-app purchases.

### Is Watch Chartplotter free?

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

### Do Surf Coach or Watch Chartplotter have ads?

Neither Surf Coach nor Watch Chartplotter shows ads.

### Which is updated more often, Surf Coach or Watch Chartplotter?

Surf Coach ships an update every 5 weeks, and Watch Chartplotter every 5 days. Most recently, Surf Coach was updated on September 24, 2026 and Watch Chartplotter on September 29, 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.*