# JUMO Device vs mi.system

The clearest difference is update cadence: mi.system at every 5 days against JUMO Device's every 3 months. JUMO Device's advantage is iOS requirement (13.0 vs 15.0). 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.

JUMO Device ships an update every 3 months, mi.system every 5 days. The most recent releases landed on September 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | JUMO Device | mi.system |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 4 MB | 68 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JUMO GmbH & Co. KG](https://appshunter.io/developer/1023671932) | [Hugo Mueller GmbH & Co KG](https://appshunter.io/developer/1347128571) |

## What reviewers say

### JUMO Device

[App page](https://appshunter.io/ios/app/jumo-device/id1023671933)

**Features:** macOS Compatibility

**In-app purchases:** none


### mi.system

[App page](https://appshunter.io/ios/app/misystem/id6737981806)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JUMO Device free?

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

### Is mi.system free?

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

### Do JUMO Device or mi.system have ads?

Neither JUMO Device nor mi.system shows ads.

### Which is updated more often, JUMO Device or mi.system?

JUMO Device ships an update every 3 months, and mi.system every 5 days. Most recently, JUMO Device was updated on September 14, 2026 and mi.system on September 20, 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.*