Arpha vs LNDU+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Arpha
Control home appliances remotely and manage multiple devices with ease. Set timers for automated functions and share device access with family members. Connect quickly and enjoy smart living.
- Remote appliance control
- Simultaneous device management
- Automated timer functions
- Device sharing with family
- Easy device connection
- Amazon Alexa & Google Assistant compatible
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Arpha – Your Complete Smart Home Security System. Note that this app is compatible with specific models. Please use the QR Code supplied with the box. Protect your home inside and out with Arpha, the all-in-one app that connects and controls your Arpha smart locks, video doorbells, indoor cameras, outdoor cameras, and solar-powered security devices. Monitor what matters most with instant alerts, live video, and intelligent detection powered by the Tuya smart home platform. From unlocking your door with your palm, face, or fingerprint, to viewing your front door through a dual-camera video doorbell, Arpha keeps every corner of your home within reach — anytime, anywhere. What you can do with the Arpha App: •Get real-time alerts for motion, door activity, and visitors •Watch live video and communicate with guests via two-way audio •Control smart locks, doorbells, cameras, and sensors from one place •Share access and manage multiple devices or locations •Set automation routines and customized notifications •Enjoy effortless setup with Tuya’s powerful cloud platform Whether you're at home or halfway around the world, Arpha keeps your world secure, connected, and always in sight. Products using this platform include: GF-7, J1, K1, M1, N1, Q1, Q2, T1, X1, X3, X6, Z1, Z2, Aurora, DF, D180, D280, SP300, D289, T229, AL501, P160, K03, B01
LNDU+
Control your smart home devices like doorbells, locks, and cameras from anywhere. This app offers a simple interface for enhanced home security and convenience with robust privacy protection.
- Remote doorbell management
- Smart lock control
- Camera monitoring
- One-click operation
- Simple interface
- Privacy protection
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LNDU+：Full control of your smart home. Manage the smart doorbell, door lock, and cameras remotely with one click, ensuring both home security and convenience. Features a simple interface and robust privacy protection.
Screenshots
Verdict
The clearest difference is rating: Arpha at 3.5 against LNDU+'s 1.6. Arpha also leads on review sentiment (10% vs 0%) and ratings volume (30 vs 7). On price, update cadence, 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.
Arpha holds the better App Store score, 3.5 against 1.6. Both are backed by a comparable volume of ratings — 30 and 7 respectively. Written reviews point the same way: 10% of Arpha's written reviews are positive against 0% of LNDU+'s.
Arpha ships an update every 9 months, LNDU+ every 6 months. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.
| Parameter | Arpha | LNDU+ |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (30 ratings) — better | 1.6 (7 ratings) |
| Positive reviews | 10.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 30 — better | 7 |
| Update frequency | Every 9 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 184 MB | 64 MB |
| Age rating | 17+ | 17+ |
| Developer | Fuwei Global Co., Ltd. | 东莞卡卡电子科技有限公司 |
Customer experience
Arpha
LNDU+
In-app purchases
Arpha
No in-app purchases
LNDU+
No in-app purchases
