# 遊蹤及實地考察系統 vs e++ Building 3D solid

The clearest difference is iOS requirement: 遊蹤及實地考察系統 at 9.0 against e++ Building 3D solid's 12.0. 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.

## The numbers

| Metric | 遊蹤及實地考察系統 | e++ Building 3D solid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 11 MB | 39 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [POPULAR E-LEARNING (H.K.) LIMITED](https://appshunter.io/developer/518263638) | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) |

## What reviewers say

### 遊蹤及實地考察系統

[App page](https://appshunter.io/ios/app/id880468868)

**Features:** macOS Compatibility

**In-app purchases:** none


### e++ Building 3D solid

[App page](https://appshunter.io/ios/app/e-plus-plus-building-3d-solid/id1588224606)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 遊蹤及實地考察系統 free?

遊蹤及實地考察系統 is free to download, with no in-app purchases.

### Is e++ Building 3D solid free?

e++ Building 3D solid is free to download, with no in-app purchases.

### Do 遊蹤及實地考察系統 or e++ Building 3D solid have ads?

Neither 遊蹤及實地考察系統 nor e++ Building 3D solid 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.*