# EVN TCP HP EMS vs MSM

The clearest difference is iOS requirement: EVN TCP HP EMS at 9.0 against MSM's 12.0. 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.

EVN TCP HP EMS ships an update monthly, MSM every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | EVN TCP HP EMS | MSM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/evn-tcp-hp-ems/id1185404562/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 55 MB | 42 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ILOTUSLAND VIET NAM JOINT STOCK COMPANY](https://appshunter.io/developer/1270222985) | [BACH KHOA HIGH TECHNOLOGY COMPANY LIMITED](https://appshunter.io/developer/1532216703) |

## What reviewers say

### EVN TCP HP EMS

[App page](https://appshunter.io/ios/app/evn-tcp-hp-ems/id1185404562)

This utility software monitors environmental quality by tracking wastewater and exhaust parameters. It allows users to view data lists, locate monitoring stations on a map, and search for specific station data. Access is granted via an account provided by the Department of Natural Resources.

**Highlights:** Monitor wastewater and exhaust parameters, View data lists, Locate monitoring stations on map, Search station data, Account-based access

**Features:** macOS Compatibility

**In-app purchases:** none


### MSM

[App page](https://appshunter.io/ios/app/msm-npsc/id1539366338)

This utility app allows users to scan QR codes to access web links and receive daily categorized news updates. It also provides information on QR codes supported by the application.

**Highlights:** QR code scanning, Web link access, Daily news updates, Categorized news, QR code support information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EVN TCP HP EMS free?

EVN TCP HP EMS is free to download, with no in-app purchases.

### Is MSM free?

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

### Do EVN TCP HP EMS or MSM have ads?

Neither EVN TCP HP EMS nor MSM shows ads.

### Which is updated more often, EVN TCP HP EMS or MSM?

EVN TCP HP EMS ships an update monthly, and MSM every 3 weeks. Most recently, EVN TCP HP EMS was updated on November 2, 2026 and MSM 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.*