# Nuclides vs 环智云学堂

The clearest difference is in-app purchases: 环智云学堂 at none against Nuclides's 2. 环智云学堂 also leads on iOS requirement (11.0 vs 15.6). Nuclides's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ads 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. 环智云学堂 asks for nothing beyond the download.

Nuclides ships an update every 2 weeks, 环智云学堂 every 5 weeks. The most recent releases landed on October 26, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Nuclides | 环智云学堂 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Size | 128 MB | 35 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [建锋 宋](https://appshunter.io/developer/1098794568) | [Zhejiang Environmental Technology Co., Ltd](https://appshunter.io/developer/1583547495) |

## 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 |


### 环智云学堂

[App page](https://appshunter.io/ios/app/id1583547493)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nuclides free?

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

### Is 环智云学堂 free?

环智云学堂 is free to download, with no in-app purchases.

### Do Nuclides or 环智云学堂 have ads?

Neither Nuclides nor 环智云学堂 shows ads.

### Which is updated more often, Nuclides or 环智云学堂?

Nuclides ships an update every 2 weeks, and 环智云学堂 every 5 weeks. Most recently, Nuclides was updated on October 26, 2026 and 环智云学堂 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.*