# G vs Magnetic Field Scanner

The clearest difference is rating: G at 5.0 against Magnetic Field Scanner's 4.3. G also leads on update cadence (weekly vs every 2 months) and iOS requirement (13.0 vs 17.6). Magnetic Field Scanner's advantage is ads (none vs shown) and ratings volume (12 vs 3). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. G sells 3 one-off in-app purchases and Magnetic Field Scanner sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

G holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 12 respectively.

G ships an update weekly, Magnetic Field Scanner every 2 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | G | Magnetic Field Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/g-mate/id6740261685/reviews)** | [4.3 (12 ratings)](https://appshunter.io/ios/app/magnetic-field-scanner/id6747452469/reviews) |
| Number of ratings | 3 | **12** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 128 MB | 5 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GMate, Inc.](https://appshunter.io/developer/1786936905) | [Hoang Le](https://appshunter.io/developer/1763197902) |

## What reviewers say

### G

[App page](https://appshunter.io/ios/app/g-mate/id6740261685)

This app analyzes social media data to understand user preferences and market trends. It offers AI-powered suggestions for optimal messaging and allows for one-click publishing to official social media accounts.

**Highlights:** Brand memory system, Market audience analysis, AI operation assistant, Optimal messaging suggestions, One-click publishing

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| G-Mate Premium Plan – 30 Days | $0.99 | one-time |
| G-Mate Premium Plan – Month | $1.00 | one-time |
| G-Mate Premium Plan – 30 Days | $699.99 | one-time |


### Magnetic Field Scanner

[App page](https://appshunter.io/ios/app/magnetic-field-scanner/id6747452469)

This utility app uses your phone's magnetometer to detect unusual magnetic field spikes, which may indicate the presence of hidden electronic devices. It provides real-time alerts, visual graphs, and customizable sensitivity to help you scan your surroundings for potential privacy threats.

**Highlights:** Real-time magnetic field scanning, Hidden device alerts with adjustable sensitivity, Live visual graph of magnetic signals, 3-axis sensor readouts, Data history for pattern spotting, Offline and private operation

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MagnetoScanner Month Pass | $5.99 | per month |
| MagnetoScanner Year PAss | $29.99 | per year |
| MagnetoScanner Lifetime Access | $39.99 | one-time |


## Frequently asked questions

### Is G free?

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

### Is Magnetic Field Scanner free?

Magnetic Field Scanner is free to download, with in-app purchases available.

### Which has better reviews, G or Magnetic Field Scanner?

G is rated higher. G averages 5.0 out of 5 from 3 ratings, while Magnetic Field Scanner averages 4.3 from 12 ratings.

### Do G or Magnetic Field Scanner have ads?

G shows ads; Magnetic Field Scanner does not.

### Which is updated more often, G or Magnetic Field Scanner?

G ships an update weekly, and Magnetic Field Scanner every 2 months. Most recently, G was updated on November 4, 2026 and Magnetic Field Scanner 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.*