# Windy Anemometer vs Solar Activity Pro

The clearest difference is rating: Solar Activity Pro at 4.2 against Windy Anemometer's 1.0. Solar Activity Pro also leads on review sentiment (50% vs 14%) and update cadence (fortnightly vs every 9 months). Windy Anemometer's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 17). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Solar Activity Pro sells 3 in-app purchases, starting at $2.99 per month. Windy Anemometer asks for nothing beyond the download.

Solar Activity Pro holds the better App Store score, 4.2 against 1.0. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 14% of Windy Anemometer's written reviews are positive against 50% of Solar Activity Pro's.

Windy Anemometer ships an update every 9 months, Solar Activity Pro fortnightly. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Windy Anemometer | Solar Activity Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/windy-anemometer/id927040254/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/solar-activity-pro/id1545198636/reviews)** |
| Number of ratings | 4 | **5** |
| Positive reviews | 14.3% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | **Free** | Subscription |
| Size | 6 MB | 40 MB |
| Requires iOS | **12.0** | 17 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Miha Korosec](https://appshunter.io/developer/927040253) | [Pavel Koyushev](https://appshunter.io/developer/1257728721) |

## What reviewers say

### Windy Anemometer

[App page](https://appshunter.io/ios/app/windy-anemometer/id927040254)

This app connects to external wireless sensors to measure wind speed, direction, and air temperature. It provides real-time data, historical graphs, and customizable alarms for various wind conditions.

**Highlights:** Wind speed measurement (current, average, max), Wind direction tracking, Air temperature and windchill, Graphical and sound alarms, History graphs, Data logging

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

**In-app purchases:** none


### Solar Activity Pro

[App page](https://appshunter.io/ios/app/solar-activity-pro/id1545198636)

Monitor solar activity and its potential effects on well-being and technology. Get aurora forecasts, real-time data, and customizable widgets. Stay informed about space weather events with detailed indicators and notifications.

**Highlights:** Widgets for solar activity, Push notifications, Aurora forecast and cameras, KP and AP index tracking, Solar wind and electron/proton flux data, Sunspot and electron content maps

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| 3 Months subscription | $6.99 | per 3 months |
| Yearly subscription | $17.99 | per year |


## Frequently asked questions

### Is Windy Anemometer free?

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

### Is Solar Activity Pro free?

Solar Activity Pro is free to download, with in-app purchases available.

### Which has better reviews, Windy Anemometer or Solar Activity Pro?

Solar Activity Pro is rated higher. Windy Anemometer averages 1.0 out of 5 from 4 ratings, while Solar Activity Pro averages 4.2 from 5 ratings.

### Do Windy Anemometer or Solar Activity Pro have ads?

Neither Windy Anemometer nor Solar Activity Pro shows ads.

### Which is updated more often, Windy Anemometer or Solar Activity Pro?

Windy Anemometer ships an update every 9 months, and Solar Activity Pro fortnightly. Most recently, Windy Anemometer was updated on September 20, 2026 and Solar Activity Pro on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*