# Watt And Sea vs Anchor & Course

The clearest difference is in-app purchases: Watt And Sea at none against Anchor & Course's 7. Watt And Sea also leads on iOS requirement (14.0 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Anchor & Course sells 7 in-app purchases, starting at $1.99 per month. Watt And Sea asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Watt And Sea | Anchor & Course |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 11 MB | 30 MB |
| Requires iOS | **14.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matthieu Michou](https://appshunter.io/developer/1465383699) | [Michal Sidorczyk](https://appshunter.io/developer/1828200699) |

## What reviewers say

### Watt And Sea

[App page](https://appshunter.io/ios/app/watt-and-sea/id1465383700)

Monitor your hydrogenerator's performance in real-time. Connect via Bluetooth to view current, voltage, and status. Record and share data logs, and access a knowledge base for troubleshooting.

**Highlights:** Real-time data monitoring (current, voltage, status), Bluetooth connectivity, Data logging and sharing, Access to knowledge database, Error status reporting

**Features:** macOS Compatibility

**In-app purchases:** none


### Anchor & Course

[App page](https://appshunter.io/ios/app/anchor-and-course/id6748950708)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access 1 month | $1.99 | per month |
| Full access 6 months | $9.99 | per 6 months |
| Full access 1 year | $14.99 | per year |
| 1-Month Access (One-Time) | $2.99 | one-time |
| 6-Months Access (One-Time) | $12.99 | one-time |
| 1-Year Access (One-Time) | $17.99 | one-time |
| Lifetime Full Access | $49.99 | one-time |


## Frequently asked questions

### Is Watt And Sea free?

Watt And Sea is free to download, with no in-app purchases.

### Is Anchor & Course free?

Anchor & Course is free to download, with in-app purchases available.

### Do Watt And Sea or Anchor & Course have ads?

Neither Watt And Sea nor Anchor & Course shows ads.

### Which is updated more often, Watt And Sea or Anchor & Course?

Watt And Sea ships an update every 3 weeks, and Anchor & Course every 3 weeks. Most recently, Watt And Sea was updated on September 9, 2026 and Anchor & Course on September 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.*