# Solar Flare Alert vs Rain?

The clearest difference is in-app purchases: Rain? at none against Solar Flare Alert's 2. Rain? also leads on device support (5 vs 3). Solar Flare Alert's advantage is update cadence (every 3 weeks vs every 2 months). On price, review sentiment, ads and iOS requirement there is nothing between them.

Both are free to download. Solar Flare Alert sells 2 in-app purchases, starting at $3.99 per month. Rain? asks for nothing beyond the download.

Solar Flare Alert ships an update every 3 weeks, Rain? every 2 months. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Solar Flare Alert | Rain? |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rain/id6759799759/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Subscription | **Free** |
| Size | 13 MB | 1 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, Mac, Apple TV, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Miara](https://appshunter.io/developer/1871192988) | [James Davie Limited](https://appshunter.io/developer/1880731156) |

## What reviewers say

### Solar Flare Alert

[App page](https://appshunter.io/ios/app/solar-flare-alert-forecasts/id6758160984)

Monitor real-time space weather, solar flares, and geomagnetic storms. Get forecasts and alerts based on trusted NOAA and NASA data. Includes widgets and Apple Watch support for quick checks.

**Highlights:** Live space weather dashboard, Solar flare and geomagnetic storm alerts, Kp index and solar wind data, Coronagraph imagery (CME Watch), Home Screen and Lock Screen widgets, Apple Watch app with Live Activity

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solar Flare Alert: Forecasts | $3.99 | per month |
| Auto-renewable annual subscription | $29.99 | per year |


### Rain?

[App page](https://appshunter.io/ios/app/rain/id6759799759)

Instantly see your chance of rain in the next 30 minutes with a clear, visual display. Get a minute-by-minute breakdown of expected precipitation and a trend indicator for conditions. Designed for quick, one-handed use without clutter.

**Highlights:** Real-time rain probability (next 30 min), Animated water-fill display, Minute-by-minute precipitation chart, Trend indicator for conditions, Hyperlocal forecasts via Apple WeatherKit, Ad-free and no account required

**In-app purchases:** none


## Frequently asked questions

### Is Solar Flare Alert free?

Solar Flare Alert is free to download, with in-app purchases available.

### Is Rain? free?

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

### Do Solar Flare Alert or Rain? have ads?

Neither Solar Flare Alert nor Rain? shows ads.

### Which is updated more often, Solar Flare Alert or Rain??

Solar Flare Alert ships an update every 3 weeks, and Rain? every 2 months. Most recently, Solar Flare Alert was updated on October 25, 2026 and Rain? on October 19, 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.*