# JSME 計算力学技術者試験 流体１級対策（混相流） vs 公害防止Pass

The clearest difference is price: 公害防止Pass at Free against JSME 計算力学技術者試験 流体１級対策（混相流）'s $9.99. 公害防止Pass also leads on update cadence (weekly vs every 3 months). JSME 計算力学技術者試験 流体１級対策（混相流）'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

公害防止Pass is free to download; JSME 計算力学技術者試験 流体１級対策（混相流） costs $9.99 up front. 公害防止Pass sells 1 one-off in-app purchase. JSME 計算力学技術者試験 流体１級対策（混相流） asks for nothing beyond the download.

JSME 計算力学技術者試験 流体１級対策（混相流） ships an update every 3 months, 公害防止Pass weekly. The most recent releases landed on September 7, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | JSME 計算力学技術者試験 流体１級対策（混相流） | 公害防止Pass |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Paid | — |
| Size | 41 MB | 43 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daisuke Matsubara](https://appshunter.io/developer/1720755722) | [KANDK](https://appshunter.io/developer/1867080143) |

## What reviewers say

### JSME 計算力学技術者試験 流体１級対策（混相流）

[App page](https://appshunter.io/ios/app/jsme/id6740526029)

This app helps users prepare for the JSME Fluid Mechanics Engineer exam, specifically the multiphase flow level 1. It offers a question-and-answer format with immediate feedback and explanations, and users can report any issues directly within the app.

**Highlights:** Exam preparation for JSME Fluid Mechanics Level 1 (Multiphase Flow), User registration not required, Questions added periodically, Immediate results and explanations after each question, In-app reporting for issue correction

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

**In-app purchases:** none


### 公害防止Pass

[App page](https://appshunter.io/ios/app/pass/id6761719666)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $1.99 | one-time |


## Frequently asked questions

### Is JSME 計算力学技術者試験 流体１級対策（混相流） free?

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

### Is 公害防止Pass free?

公害防止Pass is free to download, with in-app purchases available.

### Do JSME 計算力学技術者試験 流体１級対策（混相流） or 公害防止Pass have ads?

公害防止Pass shows ads; JSME 計算力学技術者試験 流体１級対策（混相流） does not.

### Which is updated more often, JSME 計算力学技術者試験 流体１級対策（混相流） or 公害防止Pass?

JSME 計算力学技術者試験 流体１級対策（混相流） ships an update every 3 months, and 公害防止Pass weekly. Most recently, JSME 計算力学技術者試験 流体１級対策（混相流） was updated on September 7, 2026 and 公害防止Pass on September 20, 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.*