# NOAA Forecast vs Solar Activity Pro

The clearest difference is rating: Solar Activity Pro at 4.2 against NOAA Forecast's 3.7. Solar Activity Pro also leads on update cadence (fortnightly vs every 30 months). NOAA Forecast's advantage is in-app purchases (none vs 3). 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. NOAA Forecast asks for nothing beyond the download.

Solar Activity Pro holds the better App Store score, 4.2 against 3.7. Both are backed by a comparable volume of ratings — 3 and 5 respectively.

NOAA Forecast ships an update every 30 months, Solar Activity Pro fortnightly. The most recent releases landed on June 3, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | NOAA Forecast | Solar Activity Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/noaa-forecast/id1422826182/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/solar-activity-pro/id1545198636/reviews)** |
| Number of ratings | 3 | **5** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 30 months | **Fortnightly** |
| Monetization | **Free** | Subscription |
| Size | 3 MB | 40 MB |
| Requires iOS | **16.2** | 17 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Geoffrey Domm](https://appshunter.io/developer/373378724) | [Pavel Koyushev](https://appshunter.io/developer/1257728721) |

## What reviewers say

### NOAA Forecast

[App page](https://appshunter.io/ios/app/noaa-forecast/id1422826182)

Visualize detailed weather forecasts from NOAA's Global Forecast System. Explore a scrollable and zoomable grid of forecast maps, with options for different forecast types and global regions.

**Highlights:** NOAA GFS weather map display, Scrollable and zoomable grid interface, Multiple forecast types (21 options), Forecasts displayed in 12-hour intervals, Global region selection, Raw GFS model data visualization

**Features:** macOS Compatibility

**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 NOAA Forecast free?

NOAA Forecast 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, NOAA Forecast or Solar Activity Pro?

Solar Activity Pro is rated higher. NOAA Forecast averages 3.7 out of 5 from 3 ratings, while Solar Activity Pro averages 4.2 from 5 ratings.

### Do NOAA Forecast or Solar Activity Pro have ads?

Neither NOAA Forecast nor Solar Activity Pro shows ads.

### Which is updated more often, NOAA Forecast or Solar Activity Pro?

NOAA Forecast ships an update every 30 months, and Solar Activity Pro fortnightly. Most recently, NOAA Forecast was updated on June 3, 2026 and Solar Activity Pro on September 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.*