# EmpireBuilder vs Magnetic Sensor

The clearest difference is in-app purchases: Magnetic Sensor at none against EmpireBuilder's 2. EmpireBuilder's advantage is ads (none vs shown) and update cadence (every 3 days vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. EmpireBuilder sells 2 one-off in-app purchases. Magnetic Sensor asks for nothing beyond the download.

EmpireBuilder ships an update every 3 days, Magnetic Sensor fortnightly. Both last shipped on November 8, 2026.

## The numbers

| Metric | EmpireBuilder | Magnetic Sensor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Fortnightly |
| Size | 20 MB | 25 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gitesh Agarwal](https://appshunter.io/developer/1524290447) | [Seonggon Sim](https://appshunter.io/developer/1565259950) |

## What reviewers say

### EmpireBuilder

[App page](https://appshunter.io/ios/app/empirebuilder/id6670728615)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Build | $4.99 | one-time |
| Custom Build | $7.99 | one-time |


### Magnetic Sensor

[App page](https://appshunter.io/ios/app/magnetic-sensor/id6764468454)

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

**In-app purchases:** none


## Frequently asked questions

### Is EmpireBuilder free?

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

### Is Magnetic Sensor free?

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

### Do EmpireBuilder or Magnetic Sensor have ads?

Magnetic Sensor shows ads; EmpireBuilder does not.

### Which is updated more often, EmpireBuilder or Magnetic Sensor?

EmpireBuilder ships an update every 3 days, and Magnetic Sensor fortnightly. Most recently, EmpireBuilder was updated on November 8, 2026 and Magnetic Sensor on November 8, 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.*