# Mus Flame vs CELSI

Mus Flame and CELSI are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Mus Flame ships an update every 13 months, CELSI every 17 months. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Mus Flame | CELSI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 17 months |
| Monetization | Free | — |
| Size | 197 MB | 189 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Ningbo Richen Electrical Appliance Co., Ltd.](https://appshunter.io/developer/1535155040) | [BFM Europe Limited](https://appshunter.io/developer/1615740286) |

## What reviewers say

### Mus Flame

[App page](https://appshunter.io/ios/app/mus-flame/id1535155038)

Control your smart fireplace remotely from anywhere. Manage multiple devices simultaneously, set timers for automated functions, and easily share access with family members. The app offers a simple and quick connection process to your smart home devices.

**Highlights:** Remote fireplace control, Simultaneous multi-device management, Timer functions, Device sharing with family, Easy device connection

**Features:** macOS Compatibility

**In-app purchases:** none


### CELSI

[App page](https://appshunter.io/ios/app/celsi/id1615740284)

**In-app purchases:** none


## Frequently asked questions

### Is Mus Flame free?

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

### Is CELSI free?

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

### Do Mus Flame or CELSI have ads?

Neither Mus Flame nor CELSI shows ads.

### Which is updated more often, Mus Flame or CELSI?

Mus Flame ships an update every 13 months, and CELSI every 17 months. Most recently, Mus Flame was updated on September 10, 2026 and CELSI on September 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.*