# EMF Meter vs Unzip Files

The clearest difference is price: EMF Meter at Free against Unzip Files's $1.99. EMF Meter also leads on update cadence (every 6 weeks vs every 3 months) and device support (3 vs 1). Unzip Files's advantage is in-app purchases (none vs 4) and ads (none vs shown).

EMF Meter is free to download; Unzip Files costs $1.99 up front. EMF Meter sells 4 in-app purchases, starting at $0.99 per 7 days. Unzip Files asks for nothing beyond the download.

EMF Meter ships an update every 6 weeks, Unzip Files every 3 months. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | EMF Meter | Unzip Files |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.7 (14 ratings)](https://appshunter.io/ios/app/emf-meter-paranormal/id6751793797/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 2 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [CodeTailor Softech Pvt Ltd](https://appshunter.io/developer/1836853251) | [OpsOh LLC](https://appshunter.io/developer/1877414741) |

## What reviewers say

### EMF Meter

[App page](https://appshunter.io/ios/app/emf-meter-paranormal/id6751793797)

Transform your phone's magnetometer into a live magnetic field meter. Detect wiring, measure magnet strength, or use it for physics experiments and paranormal investigations. Offers live readings, customizable alerts, and session recording with historical data.

**Highlights:** Live magnetic field readings (µT, mG, G), Customizable alert levels and color bar, X, Y, Z axis readings and Earth baseline, Sound and vibration alerts, Session recording with notes and location, Historical data sorting and search, Export readings to CSV (Pro feature)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $0.99 | per 7 days |
| EMF Meter Pro | $1.99 | per month |
| EMF Meter Pro: Annual | $9.99 | per year |
| EMF Meter Pro: Lifetime | $29.99 | one-time |


### Unzip Files

[App page](https://appshunter.io/ios/app/unzip-files-zip-extractor/id6758557866)

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

**In-app purchases:** none


## Frequently asked questions

### Is EMF Meter free?

EMF Meter is free to download, with in-app purchases available.

### Is Unzip Files free?

Unzip Files costs $1.99, with no in-app purchases.

### Do EMF Meter or Unzip Files have ads?

EMF Meter shows ads; Unzip Files does not.

### Which is updated more often, EMF Meter or Unzip Files?

EMF Meter ships an update every 6 weeks, and Unzip Files every 3 months. Most recently, EMF Meter was updated on November 8, 2026 and Unzip Files on October 31, 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.*