# Device MI vs Otrol

The clearest difference is update cadence: Device MI at every 2 days against Otrol's monthly. Device MI also leads on device support (3 vs 1) and iOS requirement (9.0 vs 17.6). On price, 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.

Device MI ships an update every 2 days, Otrol monthly. The most recent releases landed on October 1, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Device MI | Otrol |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Size | 14 MB | 37 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FutureDial Inc.](https://appshunter.io/developer/1163960008) | [DoubleVision Technology Co., Ltd.](https://appshunter.io/developer/1146786618) |

## What reviewers say

### Device MI

[App page](https://appshunter.io/ios/app/device-mi/id1193612155)

**Features:** macOS Compatibility

**In-app purchases:** none


### Otrol

[App page](https://appshunter.io/ios/app/otrol-csc/id1558995591)

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

**In-app purchases:** none


## Frequently asked questions

### Is Device MI free?

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

### Is Otrol free?

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

### Do Device MI or Otrol have ads?

Neither Device MI nor Otrol shows ads.

### Which is updated more often, Device MI or Otrol?

Device MI ships an update every 2 days, and Otrol monthly. Most recently, Device MI was updated on October 1, 2026 and Otrol on October 19, 2026.

---

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