# 专利大王 vs iTing_A

The clearest difference is ads: iTing_A 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 iTing_A sells 2 in-app purchases, starting at $99.99 per month. Whichever you choose, the download price is not the number that matters.

专利大王 ships an update every 5 weeks, iTing_A every 3 weeks. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | 专利大王 | iTing_A |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 36 MB | 27 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BEIJING INCOIDEA CO.LTD](https://appshunter.io/developer/1262262808) | [Longling Yunchang E-commerce Co., Ltd.](https://appshunter.io/developer/1872583908) |

## 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 |


### iTing_A

[App page](https://appshunter.io/ios/app/iting-a/id6758507090)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iTing_A 月订阅 | $99.99 | per month |
| iTing_A 年订阅 | $999.99 | 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 iTing_A free?

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

### Do 专利大王 or iTing_A have ads?

专利大王 shows ads; iTing_A does not.

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

专利大王 ships an update every 5 weeks, and iTing_A every 3 weeks. Most recently, 专利大王 was updated on November 6, 2026 and iTing_A on November 9, 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.*