# 卡记Kaji vs 思佳

The clearest difference is update cadence: 卡记Kaji at every 5 days against 思佳's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 卡记Kaji sells 2 in-app purchases, starting at $0.99 per month and 思佳 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

卡记Kaji ships an update every 5 days, 思佳 every 5 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | 卡记Kaji | 思佳 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 5 weeks |
| Size | 8 MB | 8 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Ruhong Technology Co., Ltd.](https://appshunter.io/developer/1882230342) | [Changsha Zhihui Yuchuang Technology Co., Ltd.](https://appshunter.io/developer/1515092418) |

## What reviewers say

### 卡记Kaji

[App page](https://appshunter.io/ios/app/kaji/id6776541780)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kaji Pro | $0.99 | per month |
| Kaji lifetime | $9.99 | one-time |


### 思佳

[App page](https://appshunter.io/ios/app/id6786537685)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 思佳高级版 | $4.99 | one-time |


## Frequently asked questions

### Is 卡记Kaji free?

卡记Kaji is free to download, with in-app purchases available.

### Is 思佳 free?

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

### Do 卡记Kaji or 思佳 have ads?

Neither 卡记Kaji nor 思佳 shows ads.

### Which is updated more often, 卡记Kaji or 思佳?

卡记Kaji ships an update every 5 days, and 思佳 every 5 weeks. Most recently, 卡记Kaji was updated on November 5, 2026 and 思佳 on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*