# ぐるぐる ZEISS IX型 vs JSME 計算力学技術者試験 流体１級対策（単相流）

The clearest difference is price: ぐるぐる ZEISS IX型 at Free against JSME 計算力学技術者試験 流体１級対策（単相流）'s $9.99. ぐるぐる ZEISS IX型 also leads on iOS requirement (12.0 vs 15.1). JSME 計算力学技術者試験 流体１級対策（単相流）'s advantage is update cadence (every 2 months vs every 17 months). On ads, in-app purchases and device support there is nothing between them.

ぐるぐる ZEISS IX型 is free to download; JSME 計算力学技術者試験 流体１級対策（単相流） costs $9.99 up front. 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, JSME 計算力学技術者試験 流体１級対策（単相流） every 2 months. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ぐるぐる ZEISS IX型 | JSME 計算力学技術者試験 流体１級対策（単相流） |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 2 months** |
| Size | 206 MB | 41 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IMAGE FACTORY CO., LTD.](https://appshunter.io/developer/882653089) | [Daisuke Matsubara](https://appshunter.io/developer/1720755722) |

## What reviewers say

### ぐるぐる ZEISS IX型

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

**In-app purchases:** none


### JSME 計算力学技術者試験 流体１級対策（単相流）

[App page](https://appshunter.io/ios/app/jsme/id6738888176)

**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 JSME 計算力学技術者試験 流体１級対策（単相流） free?

JSME 計算力学技術者試験 流体１級対策（単相流） costs $9.99, with no in-app purchases.

### Do ぐるぐる ZEISS IX型 or JSME 計算力学技術者試験 流体１級対策（単相流） have ads?

Neither ぐるぐる ZEISS IX型 nor JSME 計算力学技術者試験 流体１級対策（単相流） shows ads.

### Which is updated more often, ぐるぐる ZEISS IX型 or JSME 計算力学技術者試験 流体１級対策（単相流）?

ぐるぐる ZEISS IX型 ships an update every 17 months, and JSME 計算力学技術者試験 流体１級対策（単相流） every 2 months. Most recently, ぐるぐる ZEISS IX型 was updated on October 27, 2026 and JSME 計算力学技術者試験 流体１級対策（単相流） on October 7, 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.*