# Smart Elfin vs IDIFFUSER

The clearest difference is rating: IDIFFUSER at 5.0 against Smart Elfin's 1.4. Smart Elfin's advantage is ratings volume (159 vs 1) and iOS requirement (11.0 vs 15.5). On price, update cadence, ads and in-app purchases there is nothing between them.

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

IDIFFUSER holds the better App Store score, 5.0 against 1.4. That said, the two scores are not equally well evidenced: Smart Elfin has 159 ratings behind it against 1, so its average is the more settled of the two.

Smart Elfin ships an update fortnightly, IDIFFUSER every 3 weeks. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Smart Elfin | IDIFFUSER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (159 ratings)](https://appshunter.io/ios/app/smart-elfin/id1440248237/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/idiffuser/id6475340846/reviews)** |
| Number of ratings | **159** | 1 |
| Positive reviews | 4.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 50 MB | 78 MB |
| Requires iOS | **11.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Quspeed Future Artificial Intelligence Technology Guangzhou Co., Ltd.](https://appshunter.io/developer/1440248236) | [Suzhou RAMOND Aroma Technology Co.,LTD](https://appshunter.io/developer/1723987011) |

## What reviewers say

### Smart Elfin

[App page](https://appshunter.io/ios/app/smart-elfin/id1440248237)

Control smart home devices like lights and fans via Bluetooth or Wi-Fi. Manage power, brightness, color temperature, and fan speed. Schedule automatic turn-off times for convenience.

**Highlights:** Device power on/off, Adjust light brightness, Adjust color temperature, Control fan speed, Scheduled shutdown timers, Quick device setup

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none

**What reviewers like**

- ✨ Works sometimes
- 👍 Good for price (rarely)

**What reviewers complain about**

- ❌ Does not work
- 🐛 Crashing frequently
- ❌ Connection issues
- ❌ Language barriers (Chinese/Japanese)
- ❌ Registration/Login problems

**Reported bugs**

- App crashes on startup
- Bluetooth not detected or enabled
- App says update needed but none available
- Language changes to Chinese/Japanese unexpectedly
- Cannot register or log in

**Requested features**

- Adjust brightness in pulsating mode
- Lighter/darker color options
- Improve app for US market
- Provide clear instructions/tutorials
- Fix language issues (English support)


### IDIFFUSER

[App page](https://appshunter.io/ios/app/idiffuser/id6475340846)

Manage your space environment with this intelligent IoT platform. Remotely monitor, control, and interact with connected smart devices for a healthier and more quality life. Offers scene management and ultra-remote capabilities.

**Highlights:** Remote monitoring, Remote control, Equipment management, Interactive communication, Scene management, Ultra-remote capabilities

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Elfin free?

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

### Is IDIFFUSER free?

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

### Which has better reviews, Smart Elfin or IDIFFUSER?

IDIFFUSER is rated higher. Smart Elfin averages 1.4 out of 5 from 159 ratings, while IDIFFUSER averages 5.0 from 1 ratings.

### Do Smart Elfin or IDIFFUSER have ads?

Neither Smart Elfin nor IDIFFUSER shows ads.

### Which is updated more often, Smart Elfin or IDIFFUSER?

Smart Elfin ships an update fortnightly, and IDIFFUSER every 3 weeks. Most recently, Smart Elfin was updated on October 23, 2026 and IDIFFUSER on October 10, 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.*