# SYTTPMS vs TPMS P458

The clearest difference is iOS requirement: TPMS P458 at 8.0 against SYTTPMS's 13.0. On price, update cadence, ads and in-app purchases 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, TPMS P458 every 3 months. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | SYTTPMS | TPMS P458 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 1 MB | 20 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Shenyongtong Industry Co., Ltd.](https://appshunter.io/developer/776724937) | [Orange Electronic](https://appshunter.io/developer/506278411) |

## What reviewers say

### SYTTPMS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### TPMS P458

[App page](https://appshunter.io/ios/app/tpms-p458/id1088191568)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SYTTPMS free?

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

### Is TPMS P458 free?

TPMS P458 is free to download, with no in-app purchases.

### Do SYTTPMS or TPMS P458 have ads?

Neither SYTTPMS nor TPMS P458 shows ads.

### Which is updated more often, SYTTPMS or TPMS P458?

SYTTPMS ships an update every 2 months, and TPMS P458 every 3 months. Most recently, SYTTPMS was updated on October 1, 2026 and TPMS P458 on September 29, 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.*