# ぐるぐる ZEISS IX型 vs 天文宇宙検定3級 2026年版 問題集 一問一答・模試

The clearest difference is ads: ぐるぐる ZEISS IX型 at none against 天文宇宙検定3級 2026年版 問題集 一問一答・模試's shown. ぐるぐる ZEISS IX型 also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). 天文宇宙検定3級 2026年版 問題集 一問一答・模試's advantage is update cadence (every 2 days vs every 17 months). On price and in-app purchases there is nothing between them.

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

ぐるぐる ZEISS IX型 ships an update every 17 months, 天文宇宙検定3級 2026年版 問題集 一問一答・模試 every 2 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ぐるぐる ZEISS IX型 | 天文宇宙検定3級 2026年版 問題集 一問一答・模試 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 2 days** |
| Size | 206 MB | 35 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [IMAGE FACTORY CO., LTD.](https://appshunter.io/developer/882653089) | [Signet LLC](https://appshunter.io/developer/1880910401) |

## What reviewers say

### ぐるぐる ZEISS IX型

[App page](https://appshunter.io/ios/app/zeiss-ix/id6450916756)

**In-app purchases:** none


### 天文宇宙検定3級 2026年版 問題集 一問一答・模試

[App page](https://appshunter.io/ios/app/3-2026/id6782598569)

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

**In-app purchases:** none


## Frequently asked questions

### Is ぐるぐる ZEISS IX型 free?

ぐるぐる ZEISS IX型 is free to download, with no in-app purchases.

### Is 天文宇宙検定3級 2026年版 問題集 一問一答・模試 free?

天文宇宙検定3級 2026年版 問題集 一問一答・模試 is free to download, with no in-app purchases.

### Do ぐるぐる ZEISS IX型 or 天文宇宙検定3級 2026年版 問題集 一問一答・模試 have ads?

天文宇宙検定3級 2026年版 問題集 一問一答・模試 shows ads; ぐるぐる ZEISS IX型 does not.

### Which is updated more often, ぐるぐる ZEISS IX型 or 天文宇宙検定3級 2026年版 問題集 一問一答・模試?

ぐるぐる ZEISS IX型 ships an update every 17 months, and 天文宇宙検定3級 2026年版 問題集 一問一答・模試 every 2 days. Most recently, ぐるぐる ZEISS IX型 was updated on November 3, 2026 and 天文宇宙検定3級 2026年版 問題集 一問一答・模試 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.*