# 量子探险 vs WonderPen

The clearest difference is in-app purchases: 量子探险 at none against WonderPen's 2. 量子探险 also leads on iOS requirement (11.0 vs 17.0). WonderPen's advantage is device support. On price there is nothing between them.

Both are free to download. WonderPen sells 2 in-app purchases, starting at $2.99 per month. 量子探险 asks for nothing beyond the download.

## The numbers

| Metric | 量子探险 | WonderPen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (8 ratings)](https://appshunter.io/ios/app/wonderpen/id6476477820/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 58.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Fortnightly |
| Monetization | — | Freemium |
| Size | 72 MB | 50 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | — | **iPhone, iPad, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [永蓓 程](https://appshunter.io/developer/1724810778) | [Hangzhou Tongming Technology Company Limited](https://appshunter.io/developer/1173437103) |

## What reviewers say

### 量子探险

[App page](https://appshunter.io/ios/app/ai/id6475700739)

**In-app purchases:** none


### WonderPen

[App page](https://appshunter.io/ios/app/wonderpen/id6476477820)

This writing application offers a streamlined experience for authors, students, and enthusiasts. It features a hierarchical document structure, integrated notes, and customizable formatting options. Ensure your work is secure with local and cloud backups, and sync across devices.

**Highlights:** Tree-like document directory, Dedicated document memos, Global card list for notes, One-click typesetting, Plain text and Markdown export, Light and night modes, Local and cloud snapshots

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro+ monthly membership | $2.99 | per month |
| Pro+ annual membership | $19.99 | per year |


## Frequently asked questions

### Is 量子探险 free?

量子探险 is free to download, with no in-app purchases.

### Is WonderPen free?

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

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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.*