Hao Deng vs Smart Elfin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hao Deng
Effortlessly manage your smart LED lights with a vast array of color and brightness options. Create custom scenes, group bulbs by room, and utilize security or wake-up lighting features. Sync lights to music or ambient room colors for a dynamic experience.
- 16 million color choices
- Brightness control
- Customizable scenes
- Multi-room grouping
- Security lighting timers
- Wake-up/turn-down lighting
- Music sync (MIC mode)
- Camera color detection
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Controlling your smart LED has never been easier. 16 million amazing color choices, coolwhite or warmwhite, or many other tones in between. Select any color you want, vary the brightness, store favorite scenes, or choose one of the preset color sequences. MULTI-ROOM / MULTI-SCENE Control the bulbs individually, or group them together. Create individual moods for different rooms. Full control, at your finger tip. SECURITY LIGHTING Going out of town? Set the smart LED to come on and off at certain times, and no one will know you are away. Set individual timers for daily, weekdays, weekends, or specific days. PERFECT WAKE-UP or TURN-DOWN LIGHTING Setup the smart LED to gently turn on the room lighting in the morning, or reduce brightness in the evenings. Perfect way to start the day or settle into the evening. PARTY TOOL Having a party? Set the device to MIC mode, where it’ll listen to the surrounding music and change colors to match the beat. Want lighting to match the color of the room? Easy, use the camera from the APP to detect the surrounding color, which then auto-updates the LED device to matching colors. SHARE Have you created the perfect scene using your lights? Have multiple users at home? No problem, use the email to share devices with other members of your household. SECURE Setup passwords to ensure only authorized persons have access to your smart lighting network.
Smart Elfin
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.
- Device power on/off
- Adjust light brightness
- Adjust color temperature
- Control fan speed
- Scheduled shutdown timers
- Quick device setup
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# Bluetooth 2.4G Devices For successful pairing, click the Pairing button within 5 seconds after powering on the device. Key Features: 1. Device Control: Turn on/off, adjust light brightness/color temperature & fan speed levels 2. Scheduled Shutdown: Set custom timers for automatic turn-off 3. Quick Setup: Add devices instantly in Settings or via "Add Device > Manual Setup" # WiFi+Bluetooth Dual-Mode Devices For successful pairing, go to "Add Device > Discover Devices" within 1 minute after power-on. Key Features: 1. Device Control: Turn on/off, adjust light brightness/color temperature & fan speed levels 2. Scheduled Shutdown: Set custom timers for automatic turn-off
Screenshots
Verdict
The clearest difference is rating: Hao Deng at 2.7 against Smart Elfin's 1.4. Hao Deng also leads on review sentiment (36% vs 5%). Smart Elfin's advantage is update cadence (fortnightly vs every 6 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Hao Deng holds the better App Store score, 2.7 against 1.4. Both are backed by a comparable volume of ratings — 83 and 139 respectively. Written reviews point the same way: 36% of Hao Deng's written reviews are positive against 5% of Smart Elfin's.
Hao Deng ships an update every 6 weeks, Smart Elfin fortnightly. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.
| Parameter | Hao Deng | Smart Elfin |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (83 ratings) — better | 1.4 (139 ratings) |
| Positive reviews | 36.5% of reviews — better | 4.7% of reviews |
| Number of ratings | 83 | 139 — better |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | JM Zengge Co., Ltd | Quspeed Future Artificial Intelligence Technology Guangzhou Co., Ltd. |
Customer experience
Hao Deng
Smart Elfin
Bugs and requests
Hao Deng
Not enough reviews yet to summarise bugs or requests.
Smart Elfin
Reported bugs
16 issues- 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
Show 11 moreShow fewer
- App loses connection to devices
- Buttons/controls unresponsive
- Device control functions backwards
- Fan on/off non-functional
- Lights blinking/changing colors on their own
- App doesn't sync with devices
- Privacy policy screen blank or buttons not working
- App requests excessive permissions
- Brightness reverts to full in pulsating mode
- Cannot control two lights independently
- Remount control mixes with TV functions
Requested features
6 requests- Adjust brightness in pulsating mode
- Lighter/darker color options
- Improve app for US market
- Provide clear instructions/tutorials
- Fix language issues (English support)
Show 1 moreShow fewer
- Allow control of multiple lights independently
In-app purchases
Hao Deng
No in-app purchases
Smart Elfin
No in-app purchases
