# CamSee vs 知几Kairos

The clearest difference is ads: 知几Kairos at none against CamSee's shown. 知几Kairos also leads on update cadence (fortnightly vs every 2 months). CamSee's advantage is iOS requirement (12.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CamSee ships an update every 2 months, 知几Kairos fortnightly. The most recent releases landed on November 4, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | CamSee | 知几Kairos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 72 MB | 11 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Ruijie Xunshi Technology Co., Ltd.](https://appshunter.io/developer/1572433171) | [algormula Pte. Ltd.](https://appshunter.io/developer/1828508832) |

## What reviewers say

### CamSee

[App page](https://appshunter.io/ios/app/camsee/id6502737819)

**Features:** macOS Compatibility

**In-app purchases:** none


### 知几Kairos

[App page](https://appshunter.io/ios/app/kairos/id6758753321)

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

**In-app purchases:** none


## Frequently asked questions

### Is CamSee free?

CamSee is free to download, with no in-app purchases.

### Is 知几Kairos free?

知几Kairos is free to download, with no in-app purchases.

### Do CamSee or 知几Kairos have ads?

CamSee shows ads; 知几Kairos does not.

### Which is updated more often, CamSee or 知几Kairos?

CamSee ships an update every 2 months, and 知几Kairos fortnightly. Most recently, CamSee was updated on November 4, 2026 and 知几Kairos on November 9, 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.*