# ぐるぐる名古屋市科学館　|　NCSM_Structure vs World

The clearest difference is in-app purchases: ぐるぐる名古屋市科学館　|　NCSM_Structure at none against World's 2. ぐるぐる名古屋市科学館　|　NCSM_Structure also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. World sells 2 in-app purchases, starting at $1.99 per month. ぐるぐる名古屋市科学館　|　NCSM_Structure asks for nothing beyond the download.

## The numbers

| Metric | ぐるぐる名古屋市科学館　|　NCSM_Structure | World |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 months |
| Size | 235 MB | 147 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IMAGE FACTORY CO., LTD.](https://appshunter.io/developer/882653089) | [Olga Ivanova](https://appshunter.io/developer/1733570435) |

## What reviewers say

### ぐるぐる名古屋市科学館　|　NCSM_Structure

[App page](https://appshunter.io/ios/app/ncsm-structure/id6738641603)

**In-app purchases:** none


### World

[App page](https://appshunter.io/ios/app/world-flags/id6758343689)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| flags_by_oliva_subscription | $1.99 | per month |
| flags_by_oliva_donation | $1.99 | one-time |


## Frequently asked questions

### Is ぐるぐる名古屋市科学館　|　NCSM_Structure free?

ぐるぐる名古屋市科学館　|　NCSM_Structure is free to download, with no in-app purchases.

### Is World free?

World is free to download, with in-app purchases available.

### Do ぐるぐる名古屋市科学館　|　NCSM_Structure or World have ads?

World shows ads; ぐるぐる名古屋市科学館　|　NCSM_Structure does not.

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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.*