# NagareVisualizer Lite vs RYURAKU

The clearest difference is ads: NagareVisualizer Lite at none against RYURAKU's shown. RYURAKU's advantage is update cadence (weekly vs every 9 months) and device support (3 vs 1). 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.

NagareVisualizer Lite ships an update every 9 months, RYURAKU weekly. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | NagareVisualizer Lite | RYURAKU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Weekly** |
| Size | 26 MB | 24 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Institute of Computational Fluid Dynamics](https://appshunter.io/developer/1241881256) | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) |

## What reviewers say

### NagareVisualizer Lite

[App page](https://appshunter.io/ios/app/nagarevisualizer-lite/id1243985316)

**Features:** macOS Compatibility

**In-app purchases:** none


### RYURAKU

[App page](https://appshunter.io/ios/app/ryuraku/id6760613893)

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

**In-app purchases:** none


## Frequently asked questions

### Is NagareVisualizer Lite free?

NagareVisualizer Lite is free to download, with no in-app purchases.

### Is RYURAKU free?

RYURAKU is free to download, with no in-app purchases.

### Do NagareVisualizer Lite or RYURAKU have ads?

RYURAKU shows ads; NagareVisualizer Lite does not.

### Which is updated more often, NagareVisualizer Lite or RYURAKU?

NagareVisualizer Lite ships an update every 9 months, and RYURAKU weekly. Most recently, NagareVisualizer Lite was updated on October 5, 2026 and RYURAKU on October 15, 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.*