# 专注小僧 vs Xevvi

The clearest difference is update cadence: Xevvi at every 3 days against 专注小僧's every 28 months. 专注小僧's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 专注小僧 sells 1 one-off in-app purchase and Xevvi sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

专注小僧 ships an update every 28 months, Xevvi every 3 days. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 专注小僧 | Xevvi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 3 days** |
| Size | 28 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [宏泽 迟](https://appshunter.io/developer/1610825237) | [梦珂 王](https://appshunter.io/developer/1611324567) |

## What reviewers say

### 专注小僧

[App page](https://appshunter.io/ios/app/id6448859021)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专注小僧永久会员 | $6.99 | one-time |


### Xevvi

[App page](https://appshunter.io/ios/app/xevvi-quadrant-to-do-planner/id6760471784)

**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 | $14.99 | one-time |


## Frequently asked questions

### Is 专注小僧 free?

专注小僧 is free to download, with in-app purchases available.

### Is Xevvi free?

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

### Do 专注小僧 or Xevvi have ads?

Neither 专注小僧 nor Xevvi shows ads.

### Which is updated more often, 专注小僧 or Xevvi?

专注小僧 ships an update every 28 months, and Xevvi every 3 days. Most recently, 专注小僧 was updated on October 25, 2026 and Xevvi on October 13, 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.*