# COMPACS vs Mi Pro Services

The clearest difference is update cadence: Mi Pro Services at fortnightly against COMPACS's every 4 months. COMPACS's advantage is iOS requirement (12.0 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.

COMPACS ships an update every 4 months, Mi Pro Services fortnightly. The most recent releases landed on September 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | COMPACS | Mi Pro Services |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 22 MB | 47 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [DYNAMICS Scientific Production Center USA, Inc.](https://appshunter.io/developer/1594979896) | [Motion Industries](https://appshunter.io/developer/867574875) |

## What reviewers say

### COMPACS

[App page](https://appshunter.io/ios/app/compacs/id1594979894)

**In-app purchases:** none


### Mi Pro Services

[App page](https://appshunter.io/ios/app/mi-pro-services/id1609120038)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is COMPACS free?

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

### Is Mi Pro Services free?

Mi Pro Services is free to download, with no in-app purchases.

### Do COMPACS or Mi Pro Services have ads?

Neither COMPACS nor Mi Pro Services shows ads.

### Which is updated more often, COMPACS or Mi Pro Services?

COMPACS ships an update every 4 months, and Mi Pro Services fortnightly. Most recently, COMPACS was updated on September 10, 2026 and Mi Pro Services on October 13, 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.*