# eModul vs KAISAI Smart

The clearest difference is update cadence: KAISAI Smart at every 5 weeks against eModul's every 3 months. eModul's advantage is review sentiment (10% vs 0%) and iOS requirement (9.0 vs 12.0). On price, ads, 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.

eModul ships an update every 3 months, KAISAI Smart every 5 weeks. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | eModul | KAISAI Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/emodul/id1155426727/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **10.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 8 MB | 25 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TECH Sterowniki](https://appshunter.io/developer/1155426726) | [无锡乐伏网络科技有限公司](https://appshunter.io/developer/1197246083) |

## What reviewers say

### eModul

[App page](https://appshunter.io/ios/app/emodul/id1155426727)

Control your home heating systems remotely using your iOS device. This application provides direct access to heating systems manufactured by TECH Sterowniki.

**Highlights:** Remote heating system control, iOS device compatibility, Direct access to TECH Sterowniki systems

**Features:** macOS Compatibility

**In-app purchases:** none


### KAISAI Smart

[App page](https://appshunter.io/ios/app/kaisai-smart/id1570611611)

Control and monitor your KAISAI inverter systems with this app. It offers solutions for the PV and HVACR market, providing comfort and meeting specific expectations for both business and end users. Experience innovative renewable energy and air-conditioning control.

**Highlights:** PV and HVACR system control, Renewable energy solutions, Air-conditioning management, Remote monitoring, User-friendly interface, Comfort optimization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eModul free?

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

### Is KAISAI Smart free?

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

### Do eModul or KAISAI Smart have ads?

Neither eModul nor KAISAI Smart shows ads.

### Which is updated more often, eModul or KAISAI Smart?

eModul ships an update every 3 months, and KAISAI Smart every 5 weeks. Most recently, eModul was updated on October 15, 2026 and KAISAI Smart on October 11, 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.*