# ATG EIM vs Ontime MPOS

The clearest difference is update cadence: Ontime MPOS at weekly against ATG EIM's every 4 months. Ontime MPOS also leads on iOS requirement (12.0 vs 15.6). 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.

ATG EIM ships an update every 4 months, Ontime MPOS weekly. The most recent releases landed on November 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ATG EIM | Ontime MPOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 3 MB | 61 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Advanced Technologies Group](https://appshunter.io/developer/732016893) | [Ontime Technology LLC](https://appshunter.io/developer/1545092209) |

## What reviewers say

### ATG EIM

[App page](https://appshunter.io/ios/app/atg-eim/id1608533971)

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

**In-app purchases:** none


### Ontime MPOS

[App page](https://appshunter.io/ios/app/ontime-mpos/id1613878930)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ATG EIM free?

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

### Is Ontime MPOS free?

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

### Do ATG EIM or Ontime MPOS have ads?

Neither ATG EIM nor Ontime MPOS shows ads.

### Which is updated more often, ATG EIM or Ontime MPOS?

ATG EIM ships an update every 4 months, and Ontime MPOS weekly. Most recently, ATG EIM was updated on November 3, 2026 and Ontime MPOS on October 7, 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.*