# ARR TPMS vs M

The clearest difference is update cadence: M at every 2 months against ARR TPMS's every 8 months. 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.

ARR TPMS ships an update every 8 months, M every 2 months. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ARR TPMS | M |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/m-key/id1597710955/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 34 MB | 56 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [伟才 邓](https://appshunter.io/developer/893608406) | [Zhongshan Auto Electronics Technology Co.Ltd.](https://appshunter.io/developer/1039851711) |

## What reviewers say

### ARR TPMS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### M

[App page](https://appshunter.io/ios/app/m-key/id1597710955)

Control your car remotely using your iPhone. Functions include arming, disarming, and locating your vehicle via Bluetooth 4.0 connection to a digital key system.

**Highlights:** Remote car arming, Remote car disarming, Vehicle location finder, Bluetooth 4.0 connectivity, iPhone control

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ARR TPMS free?

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

### Is M free?

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

### Do ARR TPMS or M have ads?

Neither ARR TPMS nor M shows ads.

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

ARR TPMS ships an update every 8 months, and M every 2 months. Most recently, ARR TPMS was updated on October 8, 2026 and M on October 3, 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.*