# CJ Smart+ vs DoorMasterBLE

The clearest difference is iOS requirement: CJ Smart+ at 13.0 against DoorMasterBLE's 15.5. 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.

## The numbers

| Metric | CJ Smart+ | DoorMasterBLE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | — |
| Size | 60 MB | 1 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Solid Solutions Limited](https://appshunter.io/developer/1438390932) | [roger deutsch](https://appshunter.io/developer/1183137526) |

## What reviewers say

### CJ Smart+

[App page](https://appshunter.io/ios/app/cj-smart-plus/id1498006020)

**Features:** macOS Compatibility

**In-app purchases:** none


### DoorMasterBLE

[App page](https://appshunter.io/ios/app/doormasterble/id6448313989)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CJ Smart+ free?

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

### Is DoorMasterBLE free?

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

### Do CJ Smart+ or DoorMasterBLE have ads?

Neither CJ Smart+ nor DoorMasterBLE shows ads.

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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.*