# VAT CheckMachine vs Magnetic Storms

The clearest difference is review sentiment: Magnetic Storms at 82% against VAT CheckMachine's 0%. VAT CheckMachine's advantage is ads (none vs shown) and update cadence (every 2 months vs every 12 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.

VAT CheckMachine ships an update every 2 months, Magnetic Storms every 12 months. The most recent releases landed on June 5, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | VAT CheckMachine | Magnetic Storms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (19 ratings)](https://appshunter.io/ios/app/magnetic-storms/id575956246/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | 0.0% of reviews | **81.5% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 37 MB |
| Requires iOS | **9.0** | 12.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Escape Tech Ltd](https://appshunter.io/developer/1435187355) | [Andre Molina](https://appshunter.io/developer/503002385) |

## What reviewers say

### VAT CheckMachine

[App page](https://appshunter.io/ios/app/vat-checkmachine/id522679811)

This free utility app validates EU VAT numbers instantly and calculates VAT amounts for all EU states. It offers on-the-fly correctness testing and keeps a history of checked numbers for easy reference and sharing.

**Highlights:** Instant EU VAT number validation, On-the-fly correctness testing, VAT and Net/Gross amount calculation, Supports all 28 EU states, History of checked numbers, Sharing of checked numbers

**In-app purchases:** none


### Magnetic Storms

[App page](https://appshunter.io/ios/app/magnetic-storms/id575956246)

Monitor Earth's magnetic field and solar activity in near real-time. Track Kp and A indices, solar wind speed, solar flares, and proton/electron flux. Predict auroras and magnetic storms.

**Highlights:** Real-time magnetic field monitoring, Solar activity tracking, Kp and A Index data, Solar wind speed, Solar flare detection, Proton and electron flux, Aurora prediction

**In-app purchases:** none


## Frequently asked questions

### Is VAT CheckMachine free?

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

### Is Magnetic Storms free?

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

### Do VAT CheckMachine or Magnetic Storms have ads?

Magnetic Storms shows ads; VAT CheckMachine does not.

### Which is updated more often, VAT CheckMachine or Magnetic Storms?

VAT CheckMachine ships an update every 2 months, and Magnetic Storms every 12 months. Most recently, VAT CheckMachine was updated on June 5, 2026 and Magnetic Storms on June 10, 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.*