# Arm Hydromet vs Sail Routing

The clearest difference is in-app purchases: Arm Hydromet at none against Sail Routing's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sail Routing sells 1 in-app purchase, starting at $10.00 per month. Arm Hydromet asks for nothing beyond the download.

Arm Hydromet ships an update every 2 weeks, Sail Routing fortnightly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Arm Hydromet | Sail Routing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/arm-hydromet/id6478759831/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 18 MB | 81 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Locator CJSC](https://appshunter.io/developer/879836770) | [Emeraude dev](https://appshunter.io/developer/1862122185) |

## What reviewers say

### Arm Hydromet

[App page](https://appshunter.io/ios/app/arm-hydromet/id6478759831)

Get detailed weather forecasts and information specifically for the region of Armenia. This application provides up-to-date meteorological data to help you plan your activities.

**Highlights:** Armenia-specific weather data, Detailed forecasts, Up-to-date meteorological information, Regional weather updates

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

**In-app purchases:** none


### Sail Routing

[App page](https://appshunter.io/ios/app/sail-routing/id6756657427)

This app helps recreational sailors plan optimized routes based on current weather forecasts and boat characteristics. It simplifies route planning without complex technicalities, offering suggested optimal routes instantly. Use it before setting sail to evaluate passage options and anticipate travel time, sail configurations, and expected conditions.

**Highlights:** Optimized route planning, Weather forecast integration, Boat performance customization, Multiple weather model options, Current data integration, Saved routing history

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sail Routing Premium | $10.00 | per month |


## Frequently asked questions

### Is Arm Hydromet free?

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

### Is Sail Routing free?

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

### Do Arm Hydromet or Sail Routing have ads?

Neither Arm Hydromet nor Sail Routing shows ads.

### Which is updated more often, Arm Hydromet or Sail Routing?

Arm Hydromet ships an update every 2 weeks, and Sail Routing fortnightly. Most recently, Arm Hydromet was updated on November 4, 2026 and Sail Routing on October 30, 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.*