# Giám Sát 247 vs SERS CSKH

The clearest difference is iOS requirement: Giám Sát 247 at 12.0 against SERS CSKH'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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Giám Sát 247 | SERS CSKH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 54 MB | 33 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [FTI](https://appshunter.io/developer/1390486719) | [CENTRAL POWER CORPORATION](https://appshunter.io/developer/1679266544) |

## What reviewers say

### Giám Sát 247

[App page](https://appshunter.io/ios/app/giam-sat-247/id1549509607)

**Features:** macOS Compatibility

**In-app purchases:** none


### SERS CSKH

[App page](https://appshunter.io/ios/app/sers-cskh/id6736721540)

**In-app purchases:** none


## Frequently asked questions

### Is Giám Sát 247 free?

Giám Sát 247 is free to download, with no in-app purchases.

### Is SERS CSKH free?

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

### Do Giám Sát 247 or SERS CSKH have ads?

Neither Giám Sát 247 nor SERS CSKH shows ads.

### Which is updated more often, Giám Sát 247 or SERS CSKH?

Giám Sát 247 ships an update every 3 months, and SERS CSKH every 3 months. Most recently, Giám Sát 247 was updated on November 7, 2026 and SERS CSKH on October 30, 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.*