# S计划 vs XMAI

The clearest difference is update cadence: XMAI at every 3 weeks against S计划's every 2 months. S计划's advantage is iOS requirement (10.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

S计划 ships an update every 2 months, XMAI every 3 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | S计划 | XMAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 45 MB | 115 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Mitao Zhilian Technology Co.,Ltd.](https://appshunter.io/developer/1562097979) | [GuangDong Micowell Health Technology Co.,Ltd.](https://appshunter.io/developer/1612201117) |

## What reviewers say

### S计划

[App page](https://appshunter.io/ios/app/s/id1526618742)

**Features:** macOS Compatibility

**In-app purchases:** none


### XMAI

[App page](https://appshunter.io/ios/app/xmai/id1612200875)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is S计划 free?

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

### Is XMAI free?

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

### Do S计划 or XMAI have ads?

Neither S计划 nor XMAI shows ads.

### Which is updated more often, S计划 or XMAI?

S计划 ships an update every 2 months, and XMAI every 3 weeks. Most recently, S计划 was updated on October 25, 2026 and XMAI 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.*