# 商佳云SaaS vs 时空信使

The clearest difference is in-app purchases: 商佳云SaaS at none against 时空信使's 3. 商佳云SaaS also leads on update cadence (every 3 weeks vs every 6 months). 时空信使's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 时空信使 sells 3 in-app purchases, starting at $0.99 per month. 商佳云SaaS asks for nothing beyond the download.

商佳云SaaS ships an update every 3 weeks, 时空信使 every 6 months. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 商佳云SaaS | 时空信使 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Size | 79 MB | 86 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [海峰 石](https://appshunter.io/developer/586876106) | [浩 张](https://appshunter.io/developer/1653525021) |

## What reviewers say

### 商佳云SaaS

[App page](https://appshunter.io/ios/app/saas/id1280853366)

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

**In-app purchases:** none


### 时空信使

[App page](https://appshunter.io/ios/app/id6754696051)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $0.99 | per month |
| 年度会员 | $4.99 | per year |
| 终身会员 | $12.99 | one-time |


## Frequently asked questions

### Is 商佳云SaaS free?

商佳云SaaS is free to download, with no in-app purchases.

### Is 时空信使 free?

时空信使 is free to download, with in-app purchases available.

### Do 商佳云SaaS or 时空信使 have ads?

商佳云SaaS shows ads; 时空信使 does not.

### Which is updated more often, 商佳云SaaS or 时空信使?

商佳云SaaS ships an update every 3 weeks, and 时空信使 every 6 months. Most recently, 商佳云SaaS was updated on October 20, 2026 and 时空信使 on October 25, 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.*