# DRT Crossing vs ปลาปลอดภัย  by Open Science

The clearest difference is update cadence: ปลาปลอดภัย  by Open Science at every 10 days against DRT Crossing's monthly. DRT Crossing's advantage is iOS requirement (10.0 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.

DRT Crossing ships an update monthly, ปลาปลอดภัย  by Open Science every 10 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | DRT Crossing | ปลาปลอดภัย  by Open Science |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Size | 130 MB | 55 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Department of Rail Transport](https://appshunter.io/developer/1644384486) | [ELECTRONIC SHELL COMPANY LIMITED](https://appshunter.io/developer/1458635825) |

## What reviewers say

### DRT Crossing

[App page](https://appshunter.io/ios/app/drt-crossing/id1644384484)

**Features:** macOS Compatibility

**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 DRT Crossing free?

DRT Crossing 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 DRT Crossing or ปลาปลอดภัย  by Open Science have ads?

Neither DRT Crossing nor ปลาปลอดภัย  by Open Science shows ads.

### Which is updated more often, DRT Crossing or ปลาปลอดภัย  by Open Science?

DRT Crossing ships an update monthly, and ปลาปลอดภัย  by Open Science every 10 days. Most recently, DRT Crossing was updated on October 27, 2026 and ปลาปลอดภัย  by Open Science on October 28, 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.*