# 에이오 IoT vs 스마트 건전지

The clearest difference is update cadence: 스마트 건전지 at every 2 months against 에이오 IoT's every 7 months. 스마트 건전지 also leads on iOS requirement (13.0 vs 15.1). 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.

에이오 IoT ships an update every 7 months, 스마트 건전지 every 2 months. The most recent releases landed on September 12, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | 에이오 IoT | 스마트 건전지 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 28 MB | 22 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [이지테크](https://appshunter.io/developer/1491873261) | [BASMAN technology Co.,Ltd](https://appshunter.io/developer/1723822707) |

## What reviewers say

### 에이오 IoT

[App page](https://appshunter.io/ios/app/iot/id1617202679)

Monitor indoor and outdoor air quality from anywhere. Connect your device via Wi-Fi to view real-time air information for your registered locations. Check air quality anytime, anywhere.

**Highlights:** Real-time indoor and outdoor air quality monitoring, Remote access to air information, Wi-Fi connectivity for device setup, View air quality for registered locations, Check air quality anytime, anywhere

**Features:** macOS Compatibility

**In-app purchases:** none


### 스마트 건전지

[App page](https://appshunter.io/ios/app/id6475291185)

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

**In-app purchases:** none


## Frequently asked questions

### Is 에이오 IoT free?

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

### Is 스마트 건전지 free?

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

### Do 에이오 IoT or 스마트 건전지 have ads?

Neither 에이오 IoT nor 스마트 건전지 shows ads.

### Which is updated more often, 에이오 IoT or 스마트 건전지?

에이오 IoT ships an update every 7 months, and 스마트 건전지 every 2 months. Most recently, 에이오 IoT was updated on September 12, 2026 and 스마트 건전지 on August 25, 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.*