# สอ.ครูอุดรธานี vs CHSON

สอ.ครูอุดรธานี and CHSON are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | สอ.ครูอุดรธานี | CHSON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Size | 62 MB | 11 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Udonthani teacher saving cooperative limited](https://appshunter.io/developer/1510575203) | [Gramick House](https://appshunter.io/developer/1448807880) |

## What reviewers say

### สอ.ครูอุดรธานี

[App page](https://appshunter.io/ios/app/id1659184971)

**Features:** macOS Compatibility

**In-app purchases:** none


### CHSON

[App page](https://appshunter.io/ios/app/chson/id6744877964)

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

**In-app purchases:** none


## Frequently asked questions

### Is สอ.ครูอุดรธานี free?

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

### Is CHSON free?

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

### Do สอ.ครูอุดรธานี or CHSON have ads?

Neither สอ.ครูอุดรธานี nor CHSON shows ads.

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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.*