# Flatter vs Magnetic Sensor

The clearest difference is iOS requirement: Flatter at 12.0 against Magnetic Sensor's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Flatter | Magnetic Sensor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Size | 24 MB | 25 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeong-soo Park](https://appshunter.io/developer/1248341387) | [Seonggon Sim](https://appshunter.io/developer/1565259950) |

## What reviewers say

### Flatter

[App page](https://appshunter.io/ios/app/flatter-level/id1248341388)

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

**In-app purchases:** none


### 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 Flatter free?

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

### Is Magnetic Sensor free?

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

### Do Flatter or Magnetic Sensor have ads?

Both Flatter and Magnetic Sensor show ads.

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

Flatter ships an update fortnightly, and Magnetic Sensor fortnightly. Most recently, Flatter was updated on September 29, 2026 and Magnetic Sensor on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*