# -40 Weather vs Swellwire

The clearest difference is in-app purchases: -40 Weather at none against Swellwire's 2. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Swellwire sells 2 in-app purchases, starting at $4.99 per month. -40 Weather asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for -40 Weather against 5.0 for Swellwire. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

## The numbers

| Metric | -40 Weather | Swellwire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/40-weather/id6761797002/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/swellwire/id6765771502/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | **Free** | Freemium |
| Size | 11 MB | 6 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jacob Egly](https://appshunter.io/developer/1891549155) | [Nevada Scientific Inc.](https://appshunter.io/developer/1896067114) |

## What reviewers say

### -40 Weather

[App page](https://appshunter.io/ios/app/40-weather/id6761797002)

This app displays temperatures in both Celsius and Fahrenheit simultaneously, eliminating the need for manual conversion. It features a professional-grade radar that draws weather maps directly on your device, offering smooth animations and detailed storm tracking for the US and Canada. You can also access forecasts, alerts, air quality, and marine conditions.

**Highlights:** Dual temperature scales (Celsius & Fahrenheit), On-device radar with animated maps, Storm tracks and warning areas, Swipeable city forecasts, Hourly, daily, and extended forecasts, Air quality and pollen forecasts, Marine conditions and tides

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

**In-app purchases:** none


### Swellwire

[App page](https://appshunter.io/ios/app/swellwire/id6765771502)

Visualize global ocean conditions with a 3D globe. Get detailed forecasts for swell, wind, and weather at any coastline, from immediate conditions to two weeks ahead. Plan your next surf session or marine activity with comprehensive data.

**Highlights:** Interactive 3D globe with weather overlays, Live wave height and energy data, Detailed surf spot forecasts, Buoy data integration, Searchable surf spots and buoys, Favorite spots sync across devices, 16-day forecast extension (Premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Swellwire Monthly | $4.99 | per month |
| Swellwire Yearly | $39.99 | per year |


## Frequently asked questions

### Is -40 Weather free?

-40 Weather is free to download, with no in-app purchases.

### Is Swellwire free?

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

### Which has better reviews, -40 Weather or Swellwire?

-40 Weather and Swellwire are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do -40 Weather or Swellwire have ads?

Neither -40 Weather nor Swellwire shows ads.

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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.*