# 维系 vs 算屏

维系 and 算屏 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

维系 ships an update every 3 weeks, 算屏 monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | 维系 | 算屏 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 127 MB | 58 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Wish Network Technology(Zhenjiang) Co.,Ltd.](https://appshunter.io/developer/1474741651) | [维运 张](https://appshunter.io/developer/1662294476) |

## What reviewers say

### 维系

[App page](https://appshunter.io/ios/app/id1551786818)

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

**In-app purchases:** none


### 算屏

[App page](https://appshunter.io/ios/app/id1662441659)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 维系 free?

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

### Is 算屏 free?

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

### Do 维系 or 算屏 have ads?

Neither 维系 nor 算屏 shows ads.

### Which is updated more often, 维系 or 算屏?

维系 ships an update every 3 weeks, and 算屏 monthly. Most recently, 维系 was updated on November 3, 2026 and 算屏 on November 3, 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.*