# PDF在线版 vs 三毛游

The clearest difference is rating: 三毛游 at 4.8 against PDF在线版's 3.5. 三毛游 also leads on ratings volume (22 vs 2). PDF在线版's advantage is in-app purchases (none vs 18) and iOS requirement (11.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 三毛游 sells 18 one-off in-app purchases. PDF在线版 asks for nothing beyond the download.

三毛游 holds the better App Store score, 4.8 against 3.5. That said, the two scores are not equally well evidenced: 三毛游 has 22 ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on June 5, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | PDF在线版 | 三毛游 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/pdf/id1622254371/reviews) | **[4.8 (22 ratings)](https://appshunter.io/ios/app/ai/id1658976259/reviews)** |
| Number of ratings | 2 | **22** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 302 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tianjin Jinruan Tianxia Technology Co., Ltd.](https://appshunter.io/developer/1619559631) | [东红 李](https://appshunter.io/developer/1625799729) |

## What reviewers say

### PDF在线版

[App page](https://appshunter.io/ios/app/pdf/id1622254371)

This app serves as a reader for documents encrypted using an online solution. It requires a username and password to open protected files and automatically binds to the device used for the first reading. Administrators can manage user reading permissions.

**Highlights:** Online encryption reader, Username and password protection, Device binding, User permission control, Secure document access

**Features:** macOS Compatibility

**In-app purchases:** none


### 三毛游

[App page](https://appshunter.io/ios/app/ai/id1658976259)

This app offers intelligent audio guides for over 15,000 global attractions and museums, featuring AI-powered narration and patented GPS technology for automatic triggering. It also provides offline access, VR tours, and the option to book live expert guides for a comprehensive cultural exploration experience.

**Highlights:** AI-powered audio guides, Patented GPS auto-triggering, VR virtual tours, Offline content download, Live expert guide booking, Hand-drawn scenic maps, Cultural insights and tips

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 充值3个学币 | $0.99 | one-time |
| 充值9.9个学币 | $0.99 | one-time |
| 充值15个学币 | $1.99 | one-time |
| 充值19.9个学币 | $2.99 | one-time |
| 充值29.9个学币 | $3.99 | one-time |
| 38个学币 | $4.99 | one-time |
| 充值39.9个学币 | $5.99 | one-time |
| 充值59.9个学币 | $8.99 | one-time |
| 充值69.9个学币 | $9.99 | one-time |
| 78个学币 | $9.99 | one-time |
| 充值98个学币 | $14.99 | one-time |
| 139学币 | $19.99 | one-time |
| 充值208个学币 | $29.99 | one-time |
| 充值388个学币 | $59.99 | one-time |
| 充值518个学币 | $69.99 | one-time |
| 充值818个学币 | $119.99 | one-time |
| 充值1098个学币 | $149.99 | one-time |
| 充值2298个学币 | $349.99 | one-time |


## Frequently asked questions

### Is PDF在线版 free?

PDF在线版 is free to download, with no in-app purchases.

### Is 三毛游 free?

三毛游 is free to download, with in-app purchases available.

### Which has better reviews, PDF在线版 or 三毛游?

三毛游 is rated higher. PDF在线版 averages 3.5 out of 5 from 2 ratings, while 三毛游 averages 4.8 from 22 ratings.

### Do PDF在线版 or 三毛游 have ads?

Neither PDF在线版 nor 三毛游 shows ads.

### Which is updated more often, PDF在线版 or 三毛游?

PDF在线版 ships an update monthly, and 三毛游 monthly. Most recently, PDF在线版 was updated on June 5, 2026 and 三毛游 on September 27, 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.*