# Absolute Tides vs Anchor Pro

The clearest difference is review sentiment: Anchor Pro at 80% against Absolute Tides's 67%. Anchor Pro also leads on update cadence (every 2 months vs every 5 months). Absolute Tides's advantage is iOS requirement (15.6 vs 17.2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Absolute Tides sells 11 one-off in-app purchases and Anchor Pro sells 1 in-app purchase, starting at $6.99 per year. Whichever you choose, the download price is not the number that matters.

Absolute Tides ships an update every 5 months, Anchor Pro every 2 months. The most recent releases landed on August 18, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Absolute Tides | Anchor Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (3.5K ratings)](https://appshunter.io/ios/app/anchor-pro/id1445476850/reviews)** |
| Number of ratings | — | **3.5K** |
| Positive reviews | 67.1% of reviews | **79.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 30 MB | 23 MB |
| Requires iOS | **15.6** | 17.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Darren Edwards](https://appshunter.io/developer/1055828981) | [IdeaBoys GmbH](https://appshunter.io/developer/1578331665) |

## What reviewers say

### Absolute Tides

[App page](https://appshunter.io/ios/app/absolute-tides/id1055828982)

Access official UKHO tidal data offline for up to a year in advance. View monthly tide tables, daily charts, and tidal streams. Includes weather forecasts and anchoring assistance.

**Highlights:** Offline UKHO tidal data, Annual data plugins, Monthly tide tables, Daily tide charts, Tidal stream view, Met Office weather forecast, Anchoring assistance

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UK Tides 2016 | Free | one-time |
| UK Tides 2017 | Free | one-time |
| UK Tides 2018 | Free | one-time |
| UK Tides 2019 | Free | one-time |
| UK & Eire Tides 2020 | Free | one-time |
| UK & Eire Tides 2021 | Free | one-time |
| UK & Eire Tides 2022 | $2.99 | one-time |
| UK & Eire Tides 2023 | $2.99 | one-time |
| UK & Eire Tides 2024 | $2.99 | one-time |
| UK & Eire Tides 2026 | $2.99 | one-time |
| UK & Eire Tides 2025 | $2.99 | one-time |


### Anchor Pro

[App page](https://appshunter.io/ios/app/anchor-pro/id1445476850)

This app helps boaters set and monitor their anchor position in real-time. It allows for defining safe zones, tracking boat movement, and receiving alerts for critical changes. Remote notifications and Apple Watch integration enhance its utility for secure anchoring.

**Highlights:** Set anchor location in real-time or manually, Define custom safe swing zones, Monitor boat movement and track history, Receive real-time alerts for position, GPS, and battery, Remote notifications via Telegram or email, Apple Watch companion app for key metrics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Anchor Premium | $6.99 | per year |

**What reviewers like**

- 🚀 Reliable anchor alarm
- 👍 Easy to use interface
- 🔒 Works without cell/WiFi
- 💤 Helps user sleep soundly
- 🗺️ Detailed anchor tracking

**What reviewers complain about**

- 🐛 GPS accuracy issues
- 🔋 Drains device battery
- 🔍 Remote monitoring unreliable
- 💰 Subscription required for full features

**Reported bugs**

- App randomly shuts off
- Anchor position tracking glitches

**Requested features**

- Customizable anchor icon/color
- Integration with marine GPS/chartplotter
- Ability to adjust alarm parameters remotely


## Frequently asked questions

### Is Absolute Tides free?

Absolute Tides is free to download, with in-app purchases available.

### Is Anchor Pro free?

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

### Do Absolute Tides or Anchor Pro have ads?

Neither Absolute Tides nor Anchor Pro shows ads.

### Which is updated more often, Absolute Tides or Anchor Pro?

Absolute Tides ships an update every 5 months, and Anchor Pro every 2 months. Most recently, Absolute Tides was updated on August 18, 2026 and Anchor Pro on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*