# Car Passkey vs USMS

The clearest difference is rating: Car Passkey at 2.2 against USMS's 1.4. Car Passkey also leads on ratings volume (47 vs 14). USMS's advantage is ads (none vs shown) and update cadence (fortnightly vs every 3 months). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Car Passkey holds the better App Store score, 2.2 against 1.4. Both are backed by a comparable volume of ratings — 47 and 14 respectively. Written reviews point the same way: 7% of Car Passkey's written reviews are positive against 0% of USMS's.

Car Passkey ships an update every 3 months, USMS fortnightly. The most recent releases landed on October 20, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Car Passkey | USMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (47 ratings)](https://appshunter.io/ios/app/car-passkey/id1220320569/reviews)** | [1.4 (14 ratings)](https://appshunter.io/ios/app/usms/id1625804307/reviews) |
| Number of ratings | **47** | 14 |
| Positive reviews | **6.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 150 MB | 77 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHENZHEN NEOON INDUSTRIAL CO., LTD.](https://appshunter.io/developer/1477424286) | [DST NETWORK SDN BHD](https://appshunter.io/developer/1625804309) |

## What reviewers say

### Car Passkey

[App page](https://appshunter.io/ios/app/car-passkey/id1220320569)

This app integrates wearable devices and automotive systems for comprehensive security, health monitoring, and personalized services. It tracks vehicle status, personal health metrics, and offers customizable smartwatch features, aiming to enhance the intelligent lifestyle of car owners.

**Highlights:** Automotive safety monitoring, Personal health tracking, Smartwatch dial customization, Data analysis and optimization, Real-time vehicle data display

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### USMS

[App page](https://appshunter.io/ios/app/usms/id1625804307)

Manage your electricity and water bills with this app. It provides a fast, easy, and secure way to access your account, make payments, and view your billing history from anywhere.

**Highlights:** Quick top-up, Account details access, Bill payment, Debt payment, History reports, Profile updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Car Passkey free?

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

### Is USMS free?

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

### Which has better reviews, Car Passkey or USMS?

Car Passkey is rated higher. Car Passkey averages 2.2 out of 5 from 47 ratings, while USMS averages 1.4 from 14 ratings.

### Do Car Passkey or USMS have ads?

Car Passkey shows ads; USMS does not.

### Which is updated more often, Car Passkey or USMS?

Car Passkey ships an update every 3 months, and USMS fortnightly. Most recently, Car Passkey was updated on October 20, 2026 and USMS 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.*