# Nuclides vs RYURAKU

The clearest difference is in-app purchases: RYURAKU at none against Nuclides's 2. RYURAKU also leads on update cadence (weekly vs every 2 weeks) and iOS requirement (13.0 vs 15.6). Nuclides's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Nuclides sells 2 in-app purchases, starting at $0.99 per month. RYURAKU asks for nothing beyond the download.

Nuclides ships an update every 2 weeks, RYURAKU weekly. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Nuclides | RYURAKU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 128 MB | 24 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [建锋 宋](https://appshunter.io/developer/1098794568) | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) |

## What reviewers say

### Nuclides

[App page](https://appshunter.io/ios/app/nuclides/id1098794569)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription · Monthly | $0.99 | per month |
| Premium Subscription · Yearly | $9.99 | per year |


### RYURAKU

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Nuclides free?

Nuclides is free to download, with in-app purchases available.

### Is RYURAKU free?

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

### Do Nuclides or RYURAKU have ads?

RYURAKU shows ads; Nuclides does not.

### Which is updated more often, Nuclides or RYURAKU?

Nuclides ships an update every 2 weeks, and RYURAKU weekly. Most recently, Nuclides was updated on October 11, 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.*