# Ankerwache Pro vs Sailing Log

The clearest difference is in-app purchases: Sailing Log at none against Ankerwache Pro's 2. Ankerwache Pro's advantage is update cadence (every 6 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ankerwache Pro sells 2 in-app purchases, starting at $8.99 per year. Sailing Log asks for nothing beyond the download.

Ankerwache Pro ships an update every 6 days, Sailing Log every 2 weeks. The most recent releases landed on October 16, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Ankerwache Pro | Sailing Log |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 8 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Frank Urbanowitz](https://appshunter.io/developer/1778548662) | [Sebastian Krogh Melgaard](https://appshunter.io/developer/6785630766) |

## What reviewers say

### Ankerwache Pro

[App page](https://appshunter.io/ios/app/ankerwache-pro/id6737927360)

This app provides a reliable anchor alarm and management system for recreational boaters. It monitors your position to alert you of drift, allowing for safe nights at anchor. You can also save, share, and discover anchorages with other users.

**Highlights:** Reliable anchor alarm with drift detection, Save and manage anchorages with details, Rate, share, and discover anchorages, Mirror mode for multi-device monitoring, Apple Watch app for wrist alerts, Live status on Lock Screen and Dynamic Island

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $8.99 | per year |
| Buy | $17.99 | one-time |


### Sailing Log

[App page](https://appshunter.io/ios/app/sailing-log/id6793192968)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ankerwache Pro free?

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

### Is Sailing Log free?

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

### Do Ankerwache Pro or Sailing Log have ads?

Neither Ankerwache Pro nor Sailing Log shows ads.

### Which is updated more often, Ankerwache Pro or Sailing Log?

Ankerwache Pro ships an update every 6 days, and Sailing Log every 2 weeks. Most recently, Ankerwache Pro was updated on October 16, 2026 and Sailing Log on October 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.*