# SolarShield Geomagnetic Alerts vs SMS Shield

The clearest difference is in-app purchases: SolarShield Geomagnetic Alerts at none against SMS Shield's 1. SolarShield Geomagnetic Alerts also leads on device support (3 vs 1) and iOS requirement (15.5.0 vs 17.0). SMS Shield's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. SMS Shield sells 1 one-off in-app purchase. SolarShield Geomagnetic Alerts asks for nothing beyond the download.

## The numbers

| Metric | SolarShield Geomagnetic Alerts | SMS Shield |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Size | 32 MB | 13 MB |
| Requires iOS | **15.5.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Simon McAuliffe](https://appshunter.io/developer/1740443236) | [Mine Nur Kasimogullari](https://appshunter.io/developer/1735029444) |

## What reviewers say

### SolarShield Geomagnetic Alerts

[App page](https://appshunter.io/ios/app/solarshield-geomagnetic-alerts/id6747309109)

**Features:** macOS Compatibility

**In-app purchases:** none


### SMS Shield

[App page](https://appshunter.io/ios/app/sms-shield-ai-based/id6760599280)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is SolarShield Geomagnetic Alerts free?

SolarShield Geomagnetic Alerts is free to download, with no in-app purchases.

### Is SMS Shield free?

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

### Do SolarShield Geomagnetic Alerts or SMS Shield have ads?

SolarShield Geomagnetic Alerts shows ads; SMS Shield does not.

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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.*