MyNumberBlocker vs SolarShield Geomagnetic Alerts
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MyNumberBlocker
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.
- 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
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Stop unwanted phone calls! Have you started getting spam calls from phone numbers that resemble yours? If so, then MyNumberBlocker is for you! Simply enter your phone number and MyNumberBlocker blocks all numbers that have the same prefix as your phone number. Telemarketers use every game in the book to get you to answer your phone. This latest one is to trick you into believing that a friend or someone near you is calling you by spoofing the caller ID. There is currently no other way to stop these calls. Notes: • MyNumberBlocker requests access to your Contacts so that it doesn’t blocks contacts with the same phone number prefix. • MyNumberBlocker does NOT send your Contacts to a server nor communicates in a server in any way. • MyNumberBlocker cannot log your calls. • Blocked calls are sent directly to voicemail.
SolarShield Geomagnetic Alerts
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SolarShield is a simple alerts-first app without all the fluff. We do alerts first! Most solar storm apps tell you too late, if at all. SolarShield will usually give you 15 to 40 minutes of advance warning so you can unplug or shield critical electronics. Uses AI (machine learning) models and data from multiple sources including space based observations to provide accurate estimates before they arrive. Protect yourself from the next Carrington Event! The app shows recent history and upcoming predictions in an easy to read chart. You can enable multiple notifications for whatever levels concerns you.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | MyNumberBlocker | SolarShield Geomagnetic Alerts |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 38 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.5.0 |
| Further details — not scored | ||
| Size | 2 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Gruby Solutions | Simon McAuliffe |
In-app purchases
MyNumberBlocker
No in-app purchases
SolarShield Geomagnetic Alerts
No in-app purchases
Questions
Is MyNumberBlocker free?
Is SolarShield Geomagnetic Alerts free?
Do MyNumberBlocker or SolarShield Geomagnetic Alerts have ads?
Which is updated more often, MyNumberBlocker or SolarShield Geomagnetic Alerts?
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