# 智扫云 vs Sub3

The clearest difference is in-app purchases: 智扫云 at none against Sub3's 3. 智扫云 also leads on update cadence (every 2 days vs every 9 days) and iOS requirement (15.6 vs 18). On price, ads and device support there is nothing between them.

Both are free to download. Sub3 sells 3 in-app purchases, starting at $2.99 per month. 智扫云 asks for nothing beyond the download.

智扫云 ships an update every 2 days, Sub3 every 9 days. The most recent releases landed on October 17, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 智扫云 | Sub3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Size | 189 MB | 33 MB |
| Requires iOS | **15.6** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [传明 李](https://appshunter.io/developer/1286941654) | [辉 彭](https://appshunter.io/developer/1780252118) |

## What reviewers say

### 智扫云

[App page](https://appshunter.io/ios/app/id6758544236)

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

**In-app purchases:** none


### Sub3

[App page](https://appshunter.io/ios/app/sub3-subscription-tracker/id6761181626)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| monthly | $2.99 | per month |
| yearly | $12.99 | per year |
| lifetime | $19.99 | one-time |


## Frequently asked questions

### Is 智扫云 free?

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

### Is Sub3 free?

Sub3 is free to download, with in-app purchases available.

### Do 智扫云 or Sub3 have ads?

Neither 智扫云 nor Sub3 shows ads.

### Which is updated more often, 智扫云 or Sub3?

智扫云 ships an update every 2 days, and Sub3 every 9 days. Most recently, 智扫云 was updated on October 17, 2026 and Sub3 on October 27, 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.*