SolarShield Geomagnetic Alerts vs Convertall
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
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.
Convertall
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The unit converter that gets out of your way. Type a value and every result updates instantly ā no "convert" button, no clutter, no waiting. WHY YOU'LL KEEP IT ⢠Live as-you-type conversion ā results change with every keystroke ⢠See every unit at once ā one value, the whole category converted ⢠Pin and reorder your favorites ā the units you actually use, on top (most apps force alphabetical order; this one doesn't) ⢠Conversions work 100% offline ā no account, no sign-up, nothing to load ⢠One discreet banner ā remove it forever with a single purchase. No full-screen ads, no video, no subscription. 13 CATEGORIES, 94 UNITS Length ⢠Weight ⢠Volume ⢠Temperature ⢠Area ⢠Speed ⢠Time ⢠Data storage ⢠Pressure ⢠Energy ⢠Power ⢠Angle ⢠Data rate Everyday conversions other apps skip: internet speed (Mbps ā MB/s), cooking measures (tablespoons, cups, oven thermostat) and land area (hectares, ares, acres). From meters and miles to Celsius and Fahrenheit, kilograms and pounds, liters and gallons, megabytes and gigabytes, and more. MADE WITH CARE ⢠Clean design where the number is king ⢠Full dark mode ⢠VoiceOver and Dynamic Type support ⢠Available in 10 languages Tap any result to copy it. A converter that just works.
Screenshots
Verdict
The clearest difference is in-app purchases: SolarShield Geomagnetic Alerts at none against Convertall's 1. SolarShield Geomagnetic Alerts also leads on update cadence (fortnightly vs every 5 weeks) and device support (3 vs 1). On price and ads there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Convertall sells 1 one-off in-app purchase. SolarShield Geomagnetic Alerts asks for nothing beyond the download.
SolarShield Geomagnetic Alerts ships an update fortnightly, Convertall every 5 weeks. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | SolarShield Geomagnetic Alerts | Convertall |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly ā better | Every 5 weeks |
| Ads | Yes | Yes |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod ā better | iPhone |
| Requires iOS | 15.5.0 ā better | 18.0 |
| Further details ā not scored | ||
| Size | 32 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Simon McAuliffe | Laurent ABITBOL |
In-app purchases
SolarShield Geomagnetic Alerts
No in-app purchases
Convertall
- Remove Ads$2.99
Questions
Is SolarShield Geomagnetic Alerts free?
Is Convertall free?
Do SolarShield Geomagnetic Alerts or Convertall have ads?
Which is updated more often, SolarShield Geomagnetic Alerts or Convertall?
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