# Kujun vs Sit Buddy

The clearest difference is price: Kujun at Free against Sit Buddy's $0.99. Kujun also leads on iOS requirement (16.4 vs 26.5). Sit Buddy's advantage is update cadence (monthly vs every 3 months). On ads, in-app purchases and device support there is nothing between them.

Kujun is free to download; Sit Buddy costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kujun ships an update every 3 months, Sit Buddy monthly. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Kujun | Sit Buddy |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 49 MB | 48 MB |
| Requires iOS | **16.4** | 26.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Code with Beto](https://appshunter.io/developer/1735070532) | [俊烽 李](https://appshunter.io/developer/6802339427) |

## What reviewers say

### Kujun

[App page](https://appshunter.io/ios/app/kujun/id6790163790)

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

**In-app purchases:** none


### Sit Buddy

[App page](https://appshunter.io/ios/app/sit-buddy-pomodoro-focus-cat/id6808539880)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kujun free?

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

### Is Sit Buddy free?

Sit Buddy costs $0.99, with no in-app purchases.

### Do Kujun or Sit Buddy have ads?

Neither Kujun nor Sit Buddy shows ads.

### Which is updated more often, Kujun or Sit Buddy?

Kujun ships an update every 3 months, and Sit Buddy monthly. Most recently, Kujun was updated on October 28, 2026 and Sit Buddy on October 26, 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.*