# Forecast Alarm vs NavimetriX

The clearest difference is review sentiment: Forecast Alarm at 100% against NavimetriX's 87%. Forecast Alarm also leads on update cadence (every 4 days vs every 9 days). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Forecast Alarm sells 4 in-app purchases, starting at $5.99 per month and NavimetriX sells 1 in-app purchase, starting at $69.99 per year. Whichever you choose, the download price is not the number that matters.

Forecast Alarm ships an update every 4 days, NavimetriX every 9 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Forecast Alarm | NavimetriX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/navimetrix/id6751144072/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 86.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 54 MB | 240 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Inia](https://appshunter.io/developer/1188753478) | [SOFT4SAIL](https://appshunter.io/developer/1647221910) |

## What reviewers say

### Forecast Alarm

[App page](https://appshunter.io/ios/app/forecast-alarm/id6446201122)

Receive wind alerts based on custom thresholds and notification frequency. This app monitors multiple weather models to keep you informed about wind conditions.

**Highlights:** Custom wind threshold notifications, Configurable notification frequency, Monitors Arpège, Arome, GFS, ECMWF, Icon models, Monitors NAM USA, NAM Puerto Rico, NAM Haiti models, EULA available

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonnement Large Mensuel | $5.99 | per month |
| Abonnement Large Plus Hebdomadaire | $8.99 | per 7 days |
| Annual Subscription | $12.99 | per year |
| Abonnement Large Annuel | $17.99 | per year |


### NavimetriX

[App page](https://appshunter.io/ios/app/navimetrix/id6751144072)

This app provides comprehensive marine navigation tools for sailors, including advanced weather forecasting, route optimization, tide predictions, and chart access. It synchronizes data across devices and integrates with onboard instruments for real-time performance tracking.

**Highlights:** Multi-platform cloud sync, Weather, waves, and currents forecasting, Advanced route optimization, Tides & tidal currents, Marine charts with offline access, NMEA & AIS integration, Performance tracking

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium subscription | $69.99 | per year |


## Frequently asked questions

### Is Forecast Alarm free?

Forecast Alarm is free to download, with in-app purchases available.

### Is NavimetriX free?

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

### Do Forecast Alarm or NavimetriX have ads?

Neither Forecast Alarm nor NavimetriX shows ads.

### Which is updated more often, Forecast Alarm or NavimetriX?

Forecast Alarm ships an update every 4 days, and NavimetriX every 9 days. Most recently, Forecast Alarm was updated on October 25, 2026 and NavimetriX on October 25, 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.*