# PAM vs Geomar

The clearest difference is review sentiment: Geomar at 100% against PAM's 67%. Geomar also leads on update cadence (every 11 days vs monthly). PAM's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PAM ships an update monthly, Geomar every 11 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | PAM | Geomar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | Free | Free |
| Size | 34 MB | 44 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +17 |
| Developer | [Centro de Hidrografia da Marinha](https://appshunter.io/developer/1532680426) | [Irineu Antunes](https://appshunter.io/developer/1890734508) |

## What reviewers say

### PAM

[App page](https://appshunter.io/ios/app/pam/id6443572659)

Access marine environmental forecasts and various naval hydrography products with a single tap. Get real-time weather warnings, marine meteorology, meteograms, tide forecasts, synoptic charts, and weather analysis.

**Highlights:** Marine environmental forecasts, Weather warnings, Marine meteorology, Tide forecasts, Synoptic charts, Weather analysis

**Features:** Vision Pro support

**In-app purchases:** none


### Geomar

[App page](https://appshunter.io/ios/app/geomar/id6761667252)

Real-time GPS navigation with offline nautical charts for coastal and oceanic voyages. Plan, edit, and follow routes directly on the map with a fast and lightweight interface. Reliable at sea without internet dependency.

**Highlights:** Real-time GPS tracking, Offline nautical charts, Simplified route creation, Fast and lightweight interface, Reliable sea navigation, Professional chartplotter

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

**In-app purchases:** none


## Frequently asked questions

### Is PAM free?

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

### Is Geomar free?

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

### Do PAM or Geomar have ads?

Neither PAM nor Geomar shows ads.

### Which is updated more often, PAM or Geomar?

PAM ships an update monthly, and Geomar every 11 days. Most recently, PAM was updated on October 24, 2026 and Geomar on October 24, 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.*