# 星垂专注 vs Attention Flow

The clearest difference is in-app purchases: Attention Flow at none against 星垂专注's 3. 星垂专注's advantage is iOS requirement (15 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 星垂专注 sells 3 in-app purchases, starting at $0.99 per month. Attention Flow asks for nothing beyond the download.

星垂专注 ships an update every 10 days, Attention Flow every 11 days. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 星垂专注 | Attention Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 11 days |
| Size | 5 MB | 8 MB |
| Requires iOS | **15** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [剑锋 卢](https://appshunter.io/developer/1644578291) | [可心 周](https://appshunter.io/developer/1868083044) |

## What reviewers say

### 星垂专注

[App page](https://appshunter.io/ios/app/id6446450915)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StarFocus Monthly Membership. | $0.99 | per month |
| StarFocus Yearly Membership. | $4.99 | per year |
| StarFocus Lifetime Membership. | $4.99 | one-time |


### Attention Flow

[App page](https://appshunter.io/ios/app/attention-flow/id6775757600)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 星垂专注 free?

星垂专注 is free to download, with in-app purchases available.

### Is Attention Flow free?

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

### Do 星垂专注 or Attention Flow have ads?

Neither 星垂专注 nor Attention Flow shows ads.

### Which is updated more often, 星垂专注 or Attention Flow?

星垂专注 ships an update every 10 days, and Attention Flow every 11 days. Most recently, 星垂专注 was updated on October 18, 2026 and Attention Flow 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.*