# CSKH PMW vs SRE PMS

The clearest difference is iOS requirement: CSKH PMW at 13.4 against SRE PMS's 16.4. 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 28, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CSKH PMW | SRE PMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 30 MB | 56 MB |
| Requires iOS | **13.4** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BARIA - VUNGTAU WATER SUPPLY JOINT STOCK COMPANY](https://appshunter.io/developer/1740075634) | [APZON TELECOMUNICATION SOLUTION JOINT STOCK COMPANY](https://appshunter.io/developer/1475864477) |

## What reviewers say

### CSKH PMW

[App page](https://appshunter.io/ios/app/cskh-pmw/id6670240996)

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

**In-app purchases:** none


### SRE PMS

[App page](https://appshunter.io/ios/app/sre-pms/id6760738545)

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

**In-app purchases:** none


## Frequently asked questions

### Is CSKH PMW free?

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

### Is SRE PMS free?

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

### Do CSKH PMW or SRE PMS have ads?

Neither CSKH PMW nor SRE PMS shows ads.

### Which is updated more often, CSKH PMW or SRE PMS?

CSKH PMW ships an update every 2 months, and SRE PMS every 2 months. Most recently, CSKH PMW was updated on September 28, 2026 and SRE PMS 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.*