# MobilePKI vs Device MI

The clearest difference is update cadence: Device MI at every 2 days against MobilePKI's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

MobilePKI ships an update every 4 weeks, Device MI every 2 days. The most recent releases landed on September 25, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | MobilePKI | Device MI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Size | 6 MB | 14 MB |
| Requires iOS | **8.1** | 9.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Changing Information Technology Inc.](https://appshunter.io/developer/329855504) | [FutureDial Inc.](https://appshunter.io/developer/1163960008) |

## What reviewers say

### MobilePKI

[App page](https://appshunter.io/ios/app/mobilepki/id529705563)

**In-app purchases:** none


### Device MI

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MobilePKI free?

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

### Is Device MI free?

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

### Do MobilePKI or Device MI have ads?

Neither MobilePKI nor Device MI shows ads.

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

MobilePKI ships an update every 4 weeks, and Device MI every 2 days. Most recently, MobilePKI was updated on September 25, 2026 and Device MI on October 1, 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.*