# MyNumberBlocker vs SolarShield Geomagnetic Alerts

The clearest difference is ads: MyNumberBlocker at none against SolarShield Geomagnetic Alerts's shown. MyNumberBlocker also leads on iOS requirement (13.0 vs 15.5.0). SolarShield Geomagnetic Alerts's advantage is update cadence (fortnightly vs every 38 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MyNumberBlocker ships an update every 38 months, SolarShield Geomagnetic Alerts fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MyNumberBlocker | SolarShield Geomagnetic Alerts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/mynumberblocker/id1288429101/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 2 MB | 32 MB |
| Requires iOS | **13.0** | 15.5.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gruby Solutions](https://appshunter.io/developer/452918601) | [Simon McAuliffe](https://appshunter.io/developer/1740443236) |

## What reviewers say

### MyNumberBlocker

[App page](https://appshunter.io/ios/app/mynumberblocker/id1288429101)

Block unwanted calls from numbers that share the same prefix as your own. This utility prevents telemarketers from spoofing caller IDs to trick you into answering. It ensures your contacts are not blocked and your call logs remain private.

**Highlights:** Block calls by phone number prefix, Prevents caller ID spoofing, Excludes contacts from blocking, Sends blocked calls to voicemail, Does not send contacts to server

**In-app purchases:** none


### SolarShield Geomagnetic Alerts

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MyNumberBlocker free?

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

### Is SolarShield Geomagnetic Alerts free?

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

### Do MyNumberBlocker or SolarShield Geomagnetic Alerts have ads?

SolarShield Geomagnetic Alerts shows ads; MyNumberBlocker does not.

### Which is updated more often, MyNumberBlocker or SolarShield Geomagnetic Alerts?

MyNumberBlocker ships an update every 38 months, and SolarShield Geomagnetic Alerts fortnightly. Most recently, MyNumberBlocker was updated on November 3, 2026 and SolarShield Geomagnetic Alerts on October 30, 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.*