# DOH Assign vs ปลาปลอดภัย  by Open Science

The clearest difference is update cadence: ปลาปลอดภัย  by Open Science at every 10 days against DOH Assign's every 7 months. DOH Assign's advantage is iOS requirement (8.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

DOH Assign ships an update every 7 months, ปลาปลอดภัย  by Open Science every 10 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | DOH Assign | ปลาปลอดภัย  by Open Science |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 10 days** |
| Size | 122 MB | 55 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [The Department of Highways, Thailand](https://appshunter.io/developer/1125869830) | [ELECTRONIC SHELL COMPANY LIMITED](https://appshunter.io/developer/1458635825) |

## What reviewers say

### DOH Assign

[App page](https://appshunter.io/ios/app/doh-assign/id1437233356)

**In-app purchases:** none


### ปลาปลอดภัย  by Open Science

[App page](https://appshunter.io/ios/app/by-open-science/id6756695828)

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

**In-app purchases:** none


## Frequently asked questions

### Is DOH Assign free?

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

### Is ปลาปลอดภัย  by Open Science free?

ปลาปลอดภัย  by Open Science is free to download, with no in-app purchases.

### Do DOH Assign or ปลาปลอดภัย  by Open Science have ads?

Neither DOH Assign nor ปลาปลอดภัย  by Open Science shows ads.

### Which is updated more often, DOH Assign or ปลาปลอดภัย  by Open Science?

DOH Assign ships an update every 7 months, and ปลาปลอดภัย  by Open Science every 10 days. Most recently, DOH Assign was updated on October 15, 2026 and ปลาปลอดภัย  by Open Science on October 16, 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.*