# 专利大王 vs Coderead

The clearest difference is ads: Coderead at none against 专利大王's shown. 专利大王's advantage is iOS requirement (12.0 vs 17.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 专利大王 sells 5 one-off in-app purchases and Coderead sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

专利大王 ships an update every 5 weeks, Coderead every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | 专利大王 | Coderead |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 36 MB | 1 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [BEIJING INCOIDEA CO.LTD](https://appshunter.io/developer/1262262808) | [艺衡 刘](https://appshunter.io/developer/1876714919) |

## What reviewers say

### 专利大王

[App page](https://appshunter.io/ios/app/id1091971568)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专利大王VIP月卡 | $8.99 | one-time |
| 专利大王VIP季卡 | $19.99 | one-time |
| 专利大王VIP半年卡 | $34.99 | one-time |
| 专利大王VIP年卡 | $59.99 | one-time |
| 专利大王VIP年费会员 | $64.99 | one-time |


### Coderead

[App page](https://appshunter.io/ios/app/coderead/id6759093254)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VIP | $0.99 | per 7 days |
| Monthly VIP | $1.99 | per month |
| Quarterly VIP | $3.99 | per 3 months |
| Yearly VIP | $9.99 | per year |


## Frequently asked questions

### Is 专利大王 free?

专利大王 is free to download, with in-app purchases available.

### Is Coderead free?

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

### Do 专利大王 or Coderead have ads?

专利大王 shows ads; Coderead does not.

### Which is updated more often, 专利大王 or Coderead?

专利大王 ships an update every 5 weeks, and Coderead every 2 months. Most recently, 专利大王 was updated on October 24, 2026 and Coderead on October 24, 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.*