# 귀뚜라미 온돌 vs QRumi

The clearest difference is review sentiment: QRumi at 100% against 귀뚜라미 온돌's 0%. QRumi also leads on update cadence (weekly vs every 3 months). 귀뚜라미 온돌's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

귀뚜라미 온돌 ships an update every 3 months, QRumi weekly. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 귀뚜라미 온돌 | QRumi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (6 ratings)](https://appshunter.io/ios/app/id1581746696/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 67 MB | 29 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [(주)귀뚜라미](https://appshunter.io/developer/1037231896) | [giseong kim](https://appshunter.io/developer/737273468) |

## What reviewers say

### 귀뚜라미 온돌

[App page](https://appshunter.io/ios/app/id1581746696)

This app allows you to remotely control your carbon mat heating system via Bluetooth. It offers features like automatic temperature adjustment, individual zone control, a찜질 (jjimjil) mode for relaxation, and a dimming display for nighttime use. Ensure you have a compatible heating mat nearby to use its functions.

**Highlights:** Automatic temperature control, Individual zone heating, 찜질 (jjimjil) mode, Bluetooth smartphone control, Nighttime dimming display, Touch wake function, Dual control power on/off, 9-layer safety system

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

**In-app purchases:** none


### QRumi

[App page](https://appshunter.io/ios/app/qrumi-qr-code-maker/id6808279917)

Easily generate and customize QR codes for various information types. Personalize designs with colors, shapes, logos, and save them as high-quality images. All processing is done on-device for enhanced privacy.

**Highlights:** Generate QR codes for links, Wi-Fi, contacts, emails, locations, Customize colors, shapes, logos, and dot patterns, Save QR codes as high-resolution PNG images, Save and edit created QR codes in a library, On-device processing for privacy, No registration or login required

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

**In-app purchases:** none


## Frequently asked questions

### Is 귀뚜라미 온돌 free?

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

### Is QRumi free?

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

### Do 귀뚜라미 온돌 or QRumi have ads?

QRumi shows ads; 귀뚜라미 온돌 does not.

### Which is updated more often, 귀뚜라미 온돌 or QRumi?

귀뚜라미 온돌 ships an update every 3 months, and QRumi weekly. Most recently, 귀뚜라미 온돌 was updated on October 15, 2026 and QRumi on October 21, 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.*