# MSTm vs ESR Survey Tool

The clearest difference is update cadence: MSTm at every 7 months against ESR Survey Tool's every 30 months. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for MSTm against 5.0 for ESR Survey Tool. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

MSTm ships an update every 7 months, ESR Survey Tool every 30 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | MSTm | ESR Survey Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mstm/id1530603359/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/esr-survey-tool/id1593753261/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 30 months |
| Monetization | Free | Free |
| Size | 57 MB | 38 MB |
| Requires iOS | 13.0 | **12.0** |
| 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) | [ESR Motor Systems LLC](https://appshunter.io/developer/1593753263) |

## 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


### ESR Survey Tool

[App page](https://appshunter.io/ios/app/esr-survey-tool/id1593753261)

This business tool facilitates asset surveying and data uploading for asset management software. It allows for detailed organization of plant assets, management of asset data, and uploading of pictures for analysis. Access critical data even with limited internet connectivity.

**Highlights:** Create areas, subareas, and storage for organization, Manage all asset data, Upload detailed asset pictures, Access data in the field with limited internet

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MSTm free?

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

### Is ESR Survey Tool free?

ESR Survey Tool is free to download, with no in-app purchases.

### Which has better reviews, MSTm or ESR Survey Tool?

MSTm and ESR Survey Tool are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do MSTm or ESR Survey Tool have ads?

Neither MSTm nor ESR Survey Tool shows ads.

### Which is updated more often, MSTm or ESR Survey Tool?

MSTm ships an update every 7 months, and ESR Survey Tool every 30 months. Most recently, MSTm was updated on November 3, 2026 and ESR Survey Tool on November 3, 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.*