# IM vs DUC Inspire

The clearest difference is review sentiment: IM at 17% against DUC Inspire'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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | IM | DUC Inspire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.7 (3 ratings)](https://appshunter.io/ios/app/duc-inspire/id1466905661/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **16.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 22 MB | 17 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HUANG JUICHI](https://appshunter.io/developer/1072611022) | [DUCTECH](https://appshunter.io/developer/1466905660) |

## What reviewers say

### IM

[App page](https://appshunter.io/ios/app/im-dsp/id1072611023)

This app offers a comprehensive smart community management system for commercial and residential buildings. It integrates various systems like visitor management, access control, and security alarms, designed with modularity and smart building standards.

**Highlights:** Modular design, Smart building standards compliance, High integration with multiple hardware, Suitable for commercial and residential use, Integrated visitor, access control, and alarm systems, Comprehensive community management

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

**In-app purchases:** none


### DUC Inspire

[App page](https://appshunter.io/ios/app/duc-inspire/id1466905661)

This app allows users to control and manage their Apple HomeKit devices remotely. It offers quick access to device status, one-tap scene activation, and smart scheduling for automated home routines. Voice control via Siri is also integrated for seamless interaction.

**Highlights:** Remote device access, Scene activation, Smart scheduling, Siri voice control, Accessory status monitoring

**In-app purchases:** none


## Frequently asked questions

### Is IM free?

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

### Is DUC Inspire free?

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

### Do IM or DUC Inspire have ads?

Neither IM nor DUC Inspire shows ads.

### Which is updated more often, IM or DUC Inspire?

IM ships an update every 3 months, and DUC Inspire every 3 months. Most recently, IM was updated on November 2, 2026 and DUC Inspire on November 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.*