# SYTTPMS vs 晶钻BLE蓝牙TPMS

The clearest difference is update cadence: SYTTPMS at every 2 months against 晶钻BLE蓝牙TPMS's every 11 months. 晶钻BLE蓝牙TPMS's advantage is iOS requirement (7.0 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, 晶钻BLE蓝牙TPMS every 11 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SYTTPMS | 晶钻BLE蓝牙TPMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Size | 1 MB | 98 MB |
| Requires iOS | 13.0 | **7.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Shenyongtong Industry Co., Ltd.](https://appshunter.io/developer/776724937) | [Jiechu Technology Co., Ltd.](https://appshunter.io/developer/782466105) |

## What reviewers say

### SYTTPMS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 晶钻BLE蓝牙TPMS

[App page](https://appshunter.io/ios/app/bletpms/id1078524087)

**In-app purchases:** none


## Frequently asked questions

### Is SYTTPMS free?

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

### Is 晶钻BLE蓝牙TPMS free?

晶钻BLE蓝牙TPMS is free to download, with no in-app purchases.

### Do SYTTPMS or 晶钻BLE蓝牙TPMS have ads?

Neither SYTTPMS nor 晶钻BLE蓝牙TPMS shows ads.

### Which is updated more often, SYTTPMS or 晶钻BLE蓝牙TPMS?

SYTTPMS ships an update every 2 months, and 晶钻BLE蓝牙TPMS every 11 months. Most recently, SYTTPMS was updated on October 1, 2026 and 晶钻BLE蓝牙TPMS on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*