# 优路老师 vs PV Doc

The clearest difference is in-app purchases: 优路老师 at none against PV Doc's 4. 优路老师 also leads on iOS requirement (11.0 vs 16.0). PV Doc's advantage is update cadence (every 5 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. PV Doc sells 4 one-off in-app purchases. 优路老师 asks for nothing beyond the download.

优路老师 ships an update every 2 months, PV Doc every 5 days. The most recent releases landed on September 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 优路老师 | PV Doc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 37 MB | 13 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [呈祥 赵](https://appshunter.io/developer/1503276847) | [铭 陈](https://appshunter.io/developer/1794005085) |

## What reviewers say

### 优路老师

[App page](https://appshunter.io/ios/app/id1210270779)

**Features:** macOS Compatibility

**In-app purchases:** none


### PV Doc

[App page](https://appshunter.io/ios/app/pv-doc/id6746977234)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10个泡泡 | $0.99 | one-time |
| 70个泡泡 | $6.99 | one-time |
| 150个泡泡 | $14.99 | one-time |
| 1000个泡泡 | $69.99 | one-time |


## Frequently asked questions

### Is 优路老师 free?

优路老师 is free to download, with no in-app purchases.

### Is PV Doc free?

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

### Do 优路老师 or PV Doc have ads?

Neither 优路老师 nor PV Doc shows ads.

### Which is updated more often, 优路老师 or PV Doc?

优路老师 ships an update every 2 months, and PV Doc every 5 days. Most recently, 优路老师 was updated on September 7, 2026 and PV Doc on September 10, 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.*