Comparison

Arpha vs LNDU

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Remote appliance control
  • Simultaneous device management
  • Automated timer functions
  • Device sharing with family
  • Easy device connection
  • Amazon Alexa & Google Assistant compatible
Features
Read full description

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

About

LNDU

This app enables remote monitoring and control of intelligent devices like door locks, doorbells, and cameras. It supports real-time viewing, two-way audio, and device sharing with family members.

Highlights
  • Intelligent device distribution network access
  • Remote real-time monitoring
  • Two-way voice intercom
  • Device sharing with family
  • Remote authorization
  • Device configuration settings
Read full description

1、Support the distribution network and access of intelligent devices such as door locks, doorbells and cameras 2、Support remote real-time monitoring and two-way voice intercom 3、Support sharing devices and remote authorisation of family members. 4、Support relevant configuration settings for devices

Screenshots

Arpha4 screens
LNDU4 screens

Verdict

The call

The clearest difference is rating: LNDU at 5.0 against Arpha's 3.5. LNDU also leads on update cadence (every 2 weeks vs every 9 months). Arpha's advantage is ratings volume (30 vs 1). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

LNDU holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Arpha has 30 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Arpha ships an update every 9 months, LNDU every 2 weeks. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 7 level
Arpha versus LNDU: the parameters behind the verdict, then further details
ParameterArphaLNDU
PriceFreeFree
Rating3.5 (30 ratings)5.0 (1 ratings) — better
Positive reviews10.3% of reviews
Number of ratings30 — better1
Update frequencyEvery 9 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better14.0
Further details — not scored
Size184 MB419 MB
Age rating17+4+
DeveloperFuwei Global Co., Ltd.Shenzhen Lingdu Auto Electronics Co., Ltd.

Customer experience

Arpha

All ratings30 ratings
Positive63.3%
Neutral0.0%
Negative36.7%
Written reviews29 reviews
Positive10.3%
Neutral24.1%
Negative65.5%

LNDU

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Arpha

No in-app purchases

None

LNDU

No in-app purchases

Questions

Is Arpha free?
Arpha is free to download, with no in-app purchases.
Is LNDU free?
LNDU is free to download, with no in-app purchases.
Which has better reviews, Arpha or LNDU?
LNDU is rated higher. Arpha averages 3.5 out of 5 from 30 ratings, while LNDU averages 5.0 from 1 ratings.
Do Arpha or LNDU have ads?
Neither Arpha nor LNDU shows ads.
Which is updated more often, Arpha or LNDU?
Arpha ships an update every 9 months, and LNDU every 2 weeks. Most recently, Arpha was updated on September 21, 2026 and LNDU on September 10, 2026.

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