# Sitor vs Cobuddy考伴

The clearest difference is update cadence: Sitor at every 2 days against Cobuddy考伴's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sitor sells 10 in-app purchases, starting at $11.99 per month and Cobuddy考伴 sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Sitor ships an update every 2 days, Cobuddy考伴 weekly. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Sitor | Cobuddy考伴 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Size | 47 MB | 18 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Sitor Cloud Technology Co., Ltd.](https://appshunter.io/developer/6772942927) | [洁 刘](https://appshunter.io/developer/6775386833) |

## What reviewers say

### Sitor

[App page](https://appshunter.io/ios/app/sitor/id6772958025)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Monthly | $11.99 | per month |
| Pro Monthly | $23.99 | per month |
| Starter Annual | $93.99 | per year |
| Pro Annual | $187.99 | per year |
| 50 Credits | $3.99 | one-time |
| 200 Credits | $12.99 | one-time |
| 500 Credits | $27.99 | one-time |
| 1000 Credits | $49.99 | one-time |
| 3000 Credits | $129.99 | one-time |
| 5000 Credits | $199.99 | one-time |


### Cobuddy考伴

[App page](https://appshunter.io/ios/app/cobuddy-ai/id6781724862)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CoBuddy PLUS | $6.99 | per month |
| CoBuddy PRO | $12.99 | per month |


## Frequently asked questions

### Is Sitor free?

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

### Is Cobuddy考伴 free?

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

### Do Sitor or Cobuddy考伴 have ads?

Neither Sitor nor Cobuddy考伴 shows ads.

### Which is updated more often, Sitor or Cobuddy考伴?

Sitor ships an update every 2 days, and Cobuddy考伴 weekly. Most recently, Sitor was updated on October 18, 2026 and Cobuddy考伴 on October 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.*