# Sundirect Smart vs i

The clearest difference is update cadence: i at every 3 weeks against Sundirect Smart's every 12 months. Sundirect Smart's advantage is iOS requirement (13.0 vs 17.0). 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.

Sundirect Smart ships an update every 12 months, i every 3 weeks. The most recent releases landed on October 14, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sundirect Smart | i |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/i-vent-remote-control-v3/id6448105565/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 182 MB | 55 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [焕康 吴](https://appshunter.io/developer/1398707077) | [I-Vent d.o.o.](https://appshunter.io/developer/1598566625) |

## What reviewers say

### Sundirect Smart

[App page](https://appshunter.io/ios/app/sundirect-smart/id1398707078)

Control your WiFi-enabled heaters and thermostats remotely. Manage power, set schedules, and activate holiday modes from anywhere. Enjoy convenient and smart heating management.

**Highlights:** Remote power on/off, Manual heating mode, Smart mode with 7-day programming, Holiday mode, Easy device connection, Device sharing

**In-app purchases:** none


### i

[App page](https://appshunter.io/ios/app/i-vent-remote-control-v3/id6448105565)

Manage your smart ventilation system with ease. This app offers remote control, monitoring, and enhanced security for your i-Vent devices. Enjoy lightning-fast performance and improved reliability for optimal airflow and comfort in your home or office.

**Highlights:** Remote device control, Real-time monitoring, Lightning-fast performance, Enhanced security and privacy, Improved stability and reliability, Multiple location management

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

**In-app purchases:** none


## Frequently asked questions

### Is Sundirect Smart free?

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

### Is i free?

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

### Do Sundirect Smart or i have ads?

Neither Sundirect Smart nor i shows ads.

### Which is updated more often, Sundirect Smart or i?

Sundirect Smart ships an update every 12 months, and i every 3 weeks. Most recently, Sundirect Smart was updated on October 14, 2026 and i on October 30, 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.*