# 光合动力 vs 句记单词

The clearest difference is in-app purchases: 句记单词 at none against 光合动力's 2. 句记单词 also leads on iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. 光合动力 sells 2 in-app purchases, starting at $1.99 per month. 句记单词 asks for nothing beyond the download.

## The numbers

| Metric | 光合动力 | 句记单词 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 11 MB | 153 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [贝贝 尚](https://appshunter.io/developer/1735265297) | [Chongqing Yichen Cloud Network Technology Co., Ltd.](https://appshunter.io/developer/1679272039) |

## What reviewers say

### 光合动力

[App page](https://appshunter.io/ios/app/id6761237684)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $1.99 | per month |
| 连续包年 | $14.99 | per year |


### 句记单词

[App page](https://appshunter.io/ios/app/id6790125896)

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

**In-app purchases:** none


## Frequently asked questions

### Is 光合动力 free?

光合动力 is free to download, with in-app purchases available.

### Is 句记单词 free?

句记单词 is free to download, with no in-app purchases.

### Do 光合动力 or 句记单词 have ads?

Neither 光合动力 nor 句记单词 shows ads.

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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.*