# DOGTOR 逗課 vs 勤廬化學一點靈

The clearest difference is in-app purchases: 勤廬化學一點靈 at none against DOGTOR 逗課's 2. 勤廬化學一點靈 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. DOGTOR 逗課 sells 2 in-app purchases, starting at $9.99 per month. 勤廬化學一點靈 asks for nothing beyond the download.

DOGTOR 逗課 ships an update every 10 days, 勤廬化學一點靈 every 2 weeks. The most recent releases landed on October 30, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | DOGTOR 逗課 | 勤廬化學一點靈 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Size | 167 MB | 6 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bohua Chen](https://appshunter.io/developer/1814880685) | [JUNG TSAN HSU](https://appshunter.io/developer/1890028155) |

## What reviewers say

### DOGTOR 逗課

[App page](https://appshunter.io/ios/app/dogtor/id6751773627)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DOGTOR PRO 月度專業版 | $9.99 | per month |
| DOGTOR PRO 年度專業版 | $99.99 | per year |


### 勤廬化學一點靈

[App page](https://appshunter.io/ios/app/id6809243445)

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

**In-app purchases:** none


## Frequently asked questions

### Is DOGTOR 逗課 free?

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

### Is 勤廬化學一點靈 free?

勤廬化學一點靈 is free to download, with no in-app purchases.

### Do DOGTOR 逗課 or 勤廬化學一點靈 have ads?

DOGTOR 逗課 shows ads; 勤廬化學一點靈 does not.

### Which is updated more often, DOGTOR 逗課 or 勤廬化學一點靈?

DOGTOR 逗課 ships an update every 10 days, and 勤廬化學一點靈 every 2 weeks. Most recently, DOGTOR 逗課 was updated on October 30, 2026 and 勤廬化學一點靈 on November 1, 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.*