# Oudong Express vs SIMA Express

Oudong Express and SIMA Express 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 | Oudong Express | SIMA Express |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 153 MB | 36 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BookMeBus Co., Ltd.](https://appshunter.io/developer/1101077305) | [komsann ly](https://appshunter.io/developer/997713958) |

## What reviewers say

### Oudong Express

[App page](https://appshunter.io/ios/app/oudong-express/id6761469150)

**In-app purchases:** none


### SIMA Express

[App page](https://appshunter.io/ios/app/sima-express/id6801861935)

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

**In-app purchases:** none


## Frequently asked questions

### Is Oudong Express free?

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

### Is SIMA Express free?

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

### Do Oudong Express or SIMA Express have ads?

Neither Oudong Express nor SIMA Express 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.*