# PDF AI Reader vs 默写神器

The clearest difference is in-app purchases: 默写神器 at none against PDF AI Reader's 3. On price, review sentiment, update cadence and ads there is nothing between them.

PDF AI Reader costs $0.99 and 默写神器 $0.99 up front. PDF AI Reader sells 3 in-app purchases, starting at $1.99 per 7 days. 默写神器 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PDF AI Reader | 默写神器 |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-ai-reader/id6760606355/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Size | 836 MB | 226 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [勋才 王](https://appshunter.io/developer/1492122934) | [Shanghai Yuanfen Network Technology Co., Ltd.](https://appshunter.io/developer/1107220826) |

## What reviewers say

### PDF AI Reader

[App page](https://appshunter.io/ios/app/pdf-ai-reader/id6760606355)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VIP | $1.99 | per 7 days |
| Monthly VIP | $5.99 | per month |
| Yearly VIP | $59.99 | per year |


### 默写神器

[App page](https://appshunter.io/ios/app/id6779629673)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF AI Reader free?

PDF AI Reader costs $0.99, and also offers in-app purchases.

### Is 默写神器 free?

默写神器 costs $0.99, with no in-app purchases.

### Do PDF AI Reader or 默写神器 have ads?

Neither PDF AI Reader nor 默写神器 shows ads.

### Which is updated more often, PDF AI Reader or 默写神器?

PDF AI Reader ships an update every 5 days, and 默写神器 every 5 days. Most recently, PDF AI Reader was updated on November 7, 2026 and 默写神器 on November 5, 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.*