# MSTm vs ATG EIM

The clearest difference is iOS requirement: MSTm at 13.0 against ATG EIM's 15.6. On price, update cadence, 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.

MSTm ships an update every 7 months, ATG EIM every 4 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | MSTm | ATG EIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mstm/id1530603359/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 57 MB | 3 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joint Commission on Accreditation of Healthcare Organizations, Inc](https://appshunter.io/developer/1261906756) | [Advanced Technologies Group](https://appshunter.io/developer/732016893) |

## What reviewers say

### MSTm

[App page](https://appshunter.io/ios/app/mstm/id1530603359)

This business app allows field staff to efficiently access and record survey-related information on their mobile devices. It acts as a companion to a larger system, providing itinerary viewing, note creation, and real-time updates.

**Highlights:** View Itineraries, Create General and IOU notes, View organization and survey information, Receive scheduling change alerts, Notify organizations of on-site survey teams

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

**In-app purchases:** none


### ATG EIM

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

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

**In-app purchases:** none


## Frequently asked questions

### Is MSTm free?

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

### Is ATG EIM free?

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

### Do MSTm or ATG EIM have ads?

Neither MSTm nor ATG EIM shows ads.

### Which is updated more often, MSTm or ATG EIM?

MSTm ships an update every 7 months, and ATG EIM every 4 months. Most recently, MSTm was updated on October 13, 2026 and ATG EIM on October 8, 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.*