# D4S Service vs Wunca

The clearest difference is device support: D4S Service at 3 against Wunca's —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | D4S Service | Wunca |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 57 months | — |
| Size | 82 MB | 36 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Department of Land Transport Thailand](https://appshunter.io/developer/1437216014) | [Khon Kaen University](https://appshunter.io/developer/592053529) |

## What reviewers say

### D4S Service

[App page](https://appshunter.io/ios/app/d4s-service/id1437493424)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wunca

[App page](https://appshunter.io/ios/app/wunca/id6449451640)

**In-app purchases:** none


## Frequently asked questions

### Is D4S Service free?

D4S Service is free to download, with no in-app purchases.

### Is Wunca free?

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

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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.*