# Tides Planner vs Nautical Calculator Pro

The clearest difference is price: Tides Planner at Free against Nautical Calculator Pro's $8.99. Tides Planner also leads on ratings volume (17 vs 3) and iOS requirement (11.0 vs 15.0). Nautical Calculator Pro's advantage is rating (5.0 vs 3.8) and in-app purchases (none vs 10). On update cadence, ads and device support there is nothing between them.

Tides Planner is free to download; Nautical Calculator Pro costs $8.99 up front. Tides Planner sells 10 one-off in-app purchases. Nautical Calculator Pro asks for nothing beyond the download.

Nautical Calculator Pro holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Tides Planner has 17 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 39% of Tides Planner's written reviews are positive against 60% of Nautical Calculator Pro's.

Tides Planner ships an update every 3 months, Nautical Calculator Pro every 2 months. The most recent releases landed on October 31, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Tides Planner | Nautical Calculator Pro |
| --- | --- | --- |
| Price | **Free** | $8.99 |
| Rating | [3.8 (17 ratings)](https://appshunter.io/ios/app/tides-planner/id317900837/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nautical-calculator-pro/id1455851003/reviews)** |
| Number of ratings | **17** | 3 |
| Positive reviews | 38.8% of reviews | **60.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 93 MB | 27 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FB Imray Laurie Norie & Wilson GmbH](https://appshunter.io/developer/1871410394) | [Giacomo Gabriele](https://appshunter.io/developer/1455745031) |

## What reviewers say

### Tides Planner

[App page](https://appshunter.io/ios/app/tides-planner/id317900837)

Access worldwide tidal information for over 8,000 locations without an internet connection. Features include tidal graphs, weekly tables, sunrise/sunset times, and moon phases. Advanced tools help calculate optimal time windows for various water activities.

**Highlights:** Offline worldwide tide data, Tidal graphs and weekly tables, Sunrise, sunset, and moon phases, Time window calculations, Searchable location database, Currents information (select regions)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tides 2012 | $1.99 | one-time |
| Tides 2013 | $1.99 | one-time |
| Tides 2014 | $1.99 | one-time |
| Tides 2020 | $3.99 | one-time |
| Tides 2021 | $3.99 | one-time |
| Tides 2015 | $3.99 | one-time |
| Tides 2016 | $3.99 | one-time |
| Tides 2017 | $3.99 | one-time |
| Tides 2018 | $3.99 | one-time |
| Tides 2019 | $3.99 | one-time |

**What reviewers like**

- 🚀 Accurate tide data
- 💡 Detailed tidal information
- 👍 Useful for sailing/fishing
- 🚢 Great for commercial/recreational boating

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🚫 Unreliable map/location features
- 💸 Expensive annual subscription
- 👎 Confusing and unintuitive interface
- 🕰️ Unable to view future tide data without paid upgrade

**Reported bugs**

- Tide data inaccuracies
- Crashes on startup
- Inability to save/restore user preferences
- Licensing issues preventing access to full features

**Requested features**

- Improved map/location functionality
- Streamlined user interface
- Ability to view tide data for multiple days without additional cost
- Tidal current information
- Sunrise/sunset data integration


### Nautical Calculator Pro

[App page](https://appshunter.io/ios/app/nautical-calculator-pro/id1455851003)

This app provides comprehensive tools for solving complex nautical navigation calculations, including route planning, celestial navigation, and tidal predictions. It features a world map for route visualization and offline functionality for map display.

**Highlights:** Route calculation, Point on Rhumb Line/Great Circle, Celestial navigation, Tidal calculations, Wind calculation, Nautical almanac, World map visualization

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

**In-app purchases:** none


## Frequently asked questions

### Is Tides Planner free?

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

### Is Nautical Calculator Pro free?

Nautical Calculator Pro costs $8.99, with no in-app purchases.

### Which has better reviews, Tides Planner or Nautical Calculator Pro?

Nautical Calculator Pro is rated higher. Tides Planner averages 3.8 out of 5 from 17 ratings, while Nautical Calculator Pro averages 5.0 from 3 ratings.

### Do Tides Planner or Nautical Calculator Pro have ads?

Neither Tides Planner nor Nautical Calculator Pro shows ads.

### Which is updated more often, Tides Planner or Nautical Calculator Pro?

Tides Planner ships an update every 3 months, and Nautical Calculator Pro every 2 months. Most recently, Tides Planner was updated on October 31, 2026 and Nautical Calculator Pro on November 2, 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.*