# Smart Elfin vs USmart Go

The clearest difference is rating: USmart Go at 2.7 against Smart Elfin's 1.4. USmart Go also leads on update cadence (every 5 days vs fortnightly). Smart Elfin's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, ratings volume 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.

USmart Go holds the better App Store score, 2.7 against 1.4. Both are backed by a comparable volume of ratings — 139 and 59 respectively. Written reviews complicate that: 5% of Smart Elfin's written reviews are positive against 0% of USmart Go's, so the app with the better star average is not the one people write more warmly about.

Smart Elfin ships an update fortnightly, USmart Go every 5 days. The most recent releases landed on September 23, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Smart Elfin | USmart Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (139 ratings)](https://appshunter.io/ios/app/smart-elfin/id1440248237/reviews) | **[2.7 (59 ratings)](https://appshunter.io/ios/app/usmart-go/id1491140916/reviews)** |
| Number of ratings | **139** | 59 |
| Positive reviews | **4.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | **Free** | Ad-supported |
| Size | 50 MB | 11 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Quspeed Future Artificial Intelligence Technology Guangzhou Co., Ltd.](https://appshunter.io/developer/1440248236) | [龙武 许](https://appshunter.io/developer/1103132264) |

## 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)


### USmart Go

[App page](https://appshunter.io/ios/app/usmart-go/id1491140916)

Control all your home appliances, both infrared and Wi-Fi connected, from a single app. Remotely manage devices like TVs, air conditioners, lights, and cameras, and receive important notifications like door lock alerts.

**Highlights:** Control infrared appliances (TV, AC), Control Wi-Fi connected devices (lights, curtains), Remote appliance management, Door lock notifications, Remote door unlocking

**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 USmart Go free?

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

### Which has better reviews, Smart Elfin or USmart Go?

USmart Go is rated higher. Smart Elfin averages 1.4 out of 5 from 139 ratings, while USmart Go averages 2.7 from 59 ratings.

### Do Smart Elfin or USmart Go have ads?

USmart Go shows ads; Smart Elfin does not.

### Which is updated more often, Smart Elfin or USmart Go?

Smart Elfin ships an update fortnightly, and USmart Go every 5 days. Most recently, Smart Elfin was updated on September 23, 2026 and USmart Go on August 19, 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.*