# Anchor Alarm / Watch vs SailTimer API™

The clearest difference is review sentiment: Anchor Alarm / Watch at 55% against SailTimer API™'s 0%. Anchor Alarm / Watch also leads on ratings volume (813 vs 1). SailTimer API™'s advantage is rating (5.0 vs 4.7). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Anchor Alarm / Watch sells 5 in-app purchases, starting at $3.99 per year and SailTimer API™ sells 6 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

SailTimer API™ holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Anchor Alarm / Watch has 813 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 55% of Anchor Alarm / Watch's written reviews are positive against 0% of SailTimer API™'s, so the app with the better star average is not the one people write more warmly about.

Anchor Alarm / Watch ships an update fortnightly, SailTimer API™ every 4 weeks. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Anchor Alarm / Watch | SailTimer API™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (813 ratings)](https://appshunter.io/ios/app/anchor-alarm-watch/id1428485893/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sailtimer-api/id1562869275/reviews)** |
| Number of ratings | **813** | 1 |
| Positive reviews | **54.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 19 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [w+h GmbH](https://appshunter.io/developer/1142977449) | [SailTimer Inc.](https://appshunter.io/developer/326309854) |

## What reviewers say

### Anchor Alarm / Watch

[App page](https://appshunter.io/ios/app/anchor-alarm-watch/id1428485893)

This app monitors your boat's position and alerts you if it drifts outside a set radius. It offers remote monitoring with two devices and a feature to find anchorages. You can also request yacht charters directly through the app.

**Highlights:** Set custom anchor radius, Receive immediate alarm alerts, Adjust monitored area precisely, View boat location history, Remote monitoring with two devices, Search for nearby anchorages, Request yacht charters

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock as a subscription | $3.99 | per year |
| Anchorage search subscription | $9.49 | per year |
| 8 days anchorage search | $2.99 | one-time |
| 30 days anchorage search | $3.99 | one-time |
| Unlock as a one-time purchase | $22.99 | one-time |

**What reviewers like**

- 🚀 Accurate and efficient
- 👍 Easy to use
- 🔒 Provides security and peace of mind
- 👍 Simple and intuitive interface

**What reviewers complain about**

- 🐛 Crashes or stops working unexpectedly
- 🔋 Drains battery quickly
- 🔔 No audible alarm or alarm issues
- 🤖 Remote/pairing functionality unreliable

**Reported bugs**

- Anchor position lost repeatedly
- Alarm not triggered or not working as expected
- Connectivity issues with remote devices

**Requested features**

- Ability to adjust anchor settings remotely
- Option to change units from meters to feet
- Louder alarm volume
- Improved reliability and consistency


### SailTimer API™

[App page](https://appshunter.io/ios/app/sailtimer-api/id1562869275)

This app bridges the gap between your SailTimer Wind Instrument and other navigation or performance apps. It also offers access to crowdsourced wind maps and marine weather animations through a subscription, enhancing your sailing experience with real-time wind data.

**Highlights:** Integrates with SailTimer Wind Instrument, Delivers wind data to partner apps, Crowdsourced wind maps, Marine weather animations, Supports chartplotter apps, Real-time wind data

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crowdsourced Wind Maps - Monthly | $2.99 | per month |
| WNI Marine Weather - Monthly | $2.99 | per month |
| AI Forecasts - Monthly | $2.99 | per month |
| Crowdsourced Wind Maps - Yearly | $19.99 | per year |
| WNI Marine Weather - Yearly | $19.99 | per year |
| AI Forecasts - Yearly | $19.99 | per year |


## Frequently asked questions

### Is Anchor Alarm / Watch free?

Anchor Alarm / Watch is free to download, with in-app purchases available.

### Is SailTimer API™ free?

SailTimer API™ is free to download, with in-app purchases available.

### Which has better reviews, Anchor Alarm / Watch or SailTimer API™?

SailTimer API™ is rated higher. Anchor Alarm / Watch averages 4.7 out of 5 from 813 ratings, while SailTimer API™ averages 5.0 from 1 ratings.

### Do Anchor Alarm / Watch or SailTimer API™ have ads?

Neither Anchor Alarm / Watch nor SailTimer API™ shows ads.

### Which is updated more often, Anchor Alarm / Watch or SailTimer API™?

Anchor Alarm / Watch ships an update fortnightly, and SailTimer API™ every 4 weeks. Most recently, Anchor Alarm / Watch was updated on October 26, 2026 and SailTimer API™ on October 16, 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.*