# 미세멍 vs 셀리온 스마트 BT

The clearest difference is review sentiment: 미세멍 at 77% against 셀리온 스마트 BT's 25%. 미세멍 also leads on rating (4.5 vs 1.0) and ratings volume (31 vs 3). 셀리온 스마트 BT's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.

미세멍 holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: 미세멍 has 31 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 77% of 미세멍's written reviews are positive against 25% of 셀리온 스마트 BT's.

미세멍 ships an update every 2 months, 셀리온 스마트 BT monthly. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 미세멍 | 셀리온 스마트 BT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (31 ratings)](https://appshunter.io/ios/app/id1435731551/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/bt/id1537929464/reviews) |
| Number of ratings | **31** | 3 |
| Positive reviews | **77.2% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Ad-supported | **Free** |
| Size | 21 MB | 23 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fine Pocket](https://appshunter.io/developer/498836255) | [에스피케어](https://appshunter.io/developer/1537929466) |

## What reviewers say

### 미세멍

[App page](https://appshunter.io/ios/app/id1435731551)

This app presents real-time air quality information for South Korea using cute dog graphics and intuitive color-coding. It provides detailed data on fine dust, ultrafine dust, and weather conditions for all regions, making it easy to understand and share.

**Highlights:** Intuitive color-coded air quality display, Cute dog character alerts, Nationwide fine dust and weather data, Ultrafine dust monitoring, Easy social media sharing

**Features:** Vision Pro support

**In-app purchases:** none


### 셀리온 스마트 BT

[App page](https://appshunter.io/ios/app/bt/id1537929464)

This app automatically adjusts the temperature of a connected heating mat based on the user's local external temperature. It uses a smart algorithm to ensure optimal comfort by syncing with real-time weather data.

**Highlights:** Automatic temperature adjustment, External temperature synchronization, Smart heating mat algorithm, User local temperature integration

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 미세멍 free?

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

### Is 셀리온 스마트 BT free?

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

### Which has better reviews, 미세멍 or 셀리온 스마트 BT?

미세멍 is rated higher. 미세멍 averages 4.5 out of 5 from 31 ratings, while 셀리온 스마트 BT averages 1.0 from 3 ratings.

### Do 미세멍 or 셀리온 스마트 BT have ads?

미세멍 shows ads; 셀리온 스마트 BT does not.

### Which is updated more often, 미세멍 or 셀리온 스마트 BT?

미세멍 ships an update every 2 months, and 셀리온 스마트 BT monthly. Most recently, 미세멍 was updated on October 24, 2026 and 셀리온 스마트 BT on October 29, 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.*