# NagareVisualizer vs TOEIC Part5 文法ドリル

The clearest difference is price: TOEIC Part5 文法ドリル at Free against NagareVisualizer's $0.99. TOEIC Part5 文法ドリル also leads on update cadence (weekly vs every 3 months) and device support (3 vs 1). NagareVisualizer's advantage is in-app purchases (none vs 5). On ads there is nothing between them.

TOEIC Part5 文法ドリル is free to download; NagareVisualizer costs $0.99 up front. TOEIC Part5 文法ドリル sells 5 in-app purchases, starting at $2.99 per 7 days. NagareVisualizer asks for nothing beyond the download.

NagareVisualizer ships an update every 3 months, TOEIC Part5 文法ドリル weekly. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | NagareVisualizer | TOEIC Part5 文法ドリル |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/nagarevisualizer/id1241881257/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Paid | — |
| Size | 213 MB | 37 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Institute of Computational Fluid Dynamics](https://appshunter.io/developer/1241881256) | [DAIKI HIROSE](https://appshunter.io/developer/1882626625) |

## What reviewers say

### NagareVisualizer

[App page](https://appshunter.io/ios/app/nagarevisualizer/id1241881257)

Explore the fascinating world of fluid dynamics with this iPad application. Visualize air and liquid movements that are often imperceptible in everyday life, offering an engaging way to understand complex flow patterns.

**Highlights:** Fluid simulation visualization, Air and liquid movement, Interactive flow patterns, Educational tool for fluid dynamics, iPad optimized

**Features:** macOS Compatibility

**In-app purchases:** none


### TOEIC Part5 文法ドリル

[App page](https://appshunter.io/ios/app/toeic-part5/id6760097476)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proプラン Bootcamp（週額） | $2.99 | per 7 days |
| Pro版 週プラン | $2.99 | per 7 days |
| Proプラン（月額） | $5.99 | per month |
| Proプラン（年額） | $39.99 | per year |
| Pro版（買い切り） | $9.99 | one-time |


## Frequently asked questions

### Is NagareVisualizer free?

NagareVisualizer costs $0.99, with no in-app purchases.

### Is TOEIC Part5 文法ドリル free?

TOEIC Part5 文法ドリル is free to download, with in-app purchases available.

### Do NagareVisualizer or TOEIC Part5 文法ドリル have ads?

Neither NagareVisualizer nor TOEIC Part5 文法ドリル shows ads.

### Which is updated more often, NagareVisualizer or TOEIC Part5 文法ドリル?

NagareVisualizer ships an update every 3 months, and TOEIC Part5 文法ドリル weekly. Most recently, NagareVisualizer was updated on October 3, 2026 and TOEIC Part5 文法ドリル on October 11, 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.*