Comparison

Arpha vs Smart.Lock

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

Smart.Lock

Features
Read full description

Smart.Lock is an IoT application that empowers users to seamlessly control and monitor door access through a user-friendly mobile app. With its advanced features, this app offers not only convenience and security but also a robust attendance and history tracking system, making it an essential tool for homes, schools, offices, and businesses.

Screenshots

Arpha4 screens
Smart.Lock4 screens

Verdict

The call

The clearest difference is update cadence: Smart.Lock at weekly against Arpha's every 7 months. Smart.Lock also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

Arpha ships an update every 7 months, Smart.Lock weekly. The most recent releases landed on September 25, 2026 and September 11, 2026 respectively.

Scorecard2 real differences · 8 level
Arpha versus Smart.Lock: the parameters behind the verdict, then further details
ParameterArphaSmart.Lock
PriceFreeFree
Rating3.5 (30 ratings) — better—
Positive reviews10.3% of reviews—
Number of ratings30 — better—
Update frequencyEvery 7 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size189 MB58 MB
Age rating17+17+
DeveloperFuwei Global Co., Ltd.Vannak Seng

In-app purchases

None

Arpha

No in-app purchases

None

Smart.Lock

No in-app purchases

Questions

Is Arpha free?
Arpha is free to download, with no in-app purchases.
Is Smart.Lock free?
Smart.Lock is free to download, with no in-app purchases.
Do Arpha or Smart.Lock have ads?
Neither Arpha nor Smart.Lock shows ads.
Which is updated more often, Arpha or Smart.Lock?
Arpha ships an update every 7 months, and Smart.Lock weekly. Most recently, Arpha was updated on September 25, 2026 and Smart.Lock on September 11, 2026.

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