# SYTTPMS vs ARR TPMS

The clearest difference is update cadence: SYTTPMS at every 2 months against ARR TPMS's every 8 months. ARR TPMS's advantage is iOS requirement (11.0 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, ARR TPMS every 8 months. The most recent releases landed on September 13, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | SYTTPMS | ARR TPMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Size | 1 MB | 34 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Shenyongtong Industry Co., Ltd.](https://appshunter.io/developer/776724937) | [伟才 邓](https://appshunter.io/developer/893608406) |

## What reviewers say

### SYTTPMS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### ARR TPMS

[App page](https://appshunter.io/ios/app/arr-tpms/id1582961228)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SYTTPMS free?

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

### Is ARR TPMS free?

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

### Do SYTTPMS or ARR TPMS have ads?

Neither SYTTPMS nor ARR TPMS shows ads.

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

SYTTPMS ships an update every 2 months, and ARR TPMS every 8 months. Most recently, SYTTPMS was updated on September 13, 2026 and ARR TPMS on September 22, 2026.

---

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