# COMMAX IoT vs Keyin Plus

The clearest difference is review sentiment: Keyin Plus at 100% against COMMAX IoT's 0%. On price, update cadence, ads and in-app purchases there is nothing between them.

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

COMMAX IoT ships an update monthly, Keyin Plus every 6 weeks. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | COMMAX IoT | Keyin Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/commax-iot/id1484734728/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 184 MB | 35 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [COMMAX](https://appshunter.io/developer/433606349) | [RAONARK Ltd.](https://appshunter.io/developer/1581955892) |

## What reviewers say

### COMMAX IoT

[App page](https://appshunter.io/ios/app/commax-iot/id1484734728)

Control your smart home devices remotely using your smartphone. Manage lighting, security, and receive calls from your entryway. Requires compatible COMMAX IP Home IoT system installation.

**Highlights:** Remote device control, Lighting and heating management, Gas valve control, Security settings, CCTV monitoring, Receive entryway calls

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

**In-app purchases:** none


### Keyin Plus

[App page](https://appshunter.io/ios/app/keyin-plus/id1581955890)

Manage your smart door lock remotely. Receive real-time alerts for all lock activities, including locking, unlocking, and alarms. Automatically unlock your door when you approach and issue temporary keys to guests.

**Highlights:** Push notifications for lock events, Automatic door unlocking via Bluetooth, One-touch key issuance for family and guests, Detailed event history management, Door lock device settings, Manage multiple security devices

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is COMMAX IoT free?

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

### Is Keyin Plus free?

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

### Do COMMAX IoT or Keyin Plus have ads?

Neither COMMAX IoT nor Keyin Plus shows ads.

### Which is updated more often, COMMAX IoT or Keyin Plus?

COMMAX IoT ships an update monthly, and Keyin Plus every 6 weeks. Most recently, COMMAX IoT was updated on September 30, 2026 and Keyin Plus on October 6, 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.*