# Smart CarKey vs BatchMarkPhone

The clearest difference is in-app purchases: Smart CarKey at none against BatchMarkPhone's 1. Smart CarKey also leads on iOS requirement (12.0 vs 16.0). BatchMarkPhone's advantage is update cadence (every 6 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. BatchMarkPhone sells 1 one-off in-app purchase. Smart CarKey asks for nothing beyond the download.

Smart CarKey ships an update every 2 months, BatchMarkPhone every 6 days. The most recent releases landed on August 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Smart CarKey | BatchMarkPhone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 29 MB | 22 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Shanghai WanWay Digital Technology Co.,Ltd](https://appshunter.io/developer/1275343765) | [富强 蒋](https://appshunter.io/developer/1887861157) |

## What reviewers say

### Smart CarKey

[App page](https://appshunter.io/ios/app/smart-carkey/id6748637133)

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

**In-app purchases:** none


### BatchMarkPhone

[App page](https://appshunter.io/ios/app/batchmarkphone/id6763986235)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BatchMarkPhone Pro | $1.99 | one-time |


## Frequently asked questions

### Is Smart CarKey free?

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

### Is BatchMarkPhone free?

BatchMarkPhone is free to download, with in-app purchases available.

### Do Smart CarKey or BatchMarkPhone have ads?

Neither Smart CarKey nor BatchMarkPhone shows ads.

### Which is updated more often, Smart CarKey or BatchMarkPhone?

Smart CarKey ships an update every 2 months, and BatchMarkPhone every 6 days. Most recently, Smart CarKey was updated on August 16, 2026 and BatchMarkPhone on September 10, 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.*