# SYTTPMS vs 小汽车胎压

The clearest difference is update cadence: 小汽车胎压 at every 4 weeks against SYTTPMS's every 2 months. 小汽车胎压 also leads on iOS requirement (8.0 vs 13.0). 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.

SYTTPMS ships an update every 2 months, 小汽车胎压 every 4 weeks. The most recent releases landed on October 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | SYTTPMS | 小汽车胎压 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Size | 1 MB | 39 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Shenyongtong Industry Co., Ltd.](https://appshunter.io/developer/776724937) | [Shenzhen Elink Things Co., Ltd](https://appshunter.io/developer/1538561642) |

## What reviewers say

### SYTTPMS

[App page](https://appshunter.io/ios/app/syttpms/id1031107627)

**Features:** macOS Compatibility

**In-app purchases:** none


### 小汽车胎压

[App page](https://appshunter.io/ios/app/id1480369820)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SYTTPMS free?

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

### Is 小汽车胎压 free?

小汽车胎压 is free to download, with no in-app purchases.

### Do SYTTPMS or 小汽车胎压 have ads?

Neither SYTTPMS nor 小汽车胎压 shows ads.

### Which is updated more often, SYTTPMS or 小汽车胎压?

SYTTPMS ships an update every 2 months, and 小汽车胎压 every 4 weeks. Most recently, SYTTPMS was updated on October 1, 2026 and 小汽车胎压 on October 26, 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.*