Comparison

WT NFC vs smark lock

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

Head to head

WT NFC

Free

🔧 Utilities

★ 5.01 ratingsView app →

About

WT NFC

This smart lock offers a battery-free and wireless operation for enhanced home and office security. It aims to provide a more convenient, intelligent, and eco-friendly locking solution, breaking away from traditional lock limitations.

Highlights

Battery-free operation
Wireless connectivity
High security
Eco-friendly design
Intelligent lifestyle integration

Features

Read full description

Smart Passive Lock is an innovative smart lock that combines cutting-edge design with high security, aiming to provide users with a more convenient and intelligent lifestyle. Featuring a battery-free and wireless operation concept, it breaks the limitations of traditional locks, making your home and office environments safer, smarter, and more eco-friendly.

About

smark lock

Features

Read full description

nfc开锁和关锁工具

Screenshots

WT NFC4 screens

smark lock3 screens

Verdict

The call

The clearest difference is update cadence: WT NFC at monthly against smark lock's every 4 months. 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

WT NFC ships an update monthly, smark lock every 4 months. Both last shipped on October 30, 2026.

Scorecard1 real difference · 8 level

WT NFC versus smark lock: the parameters behind the verdict, then further details
Parameter	WT NFC	smark lock
Price	Free	Free
Rating	5.0 (1 ratings) — better	—
Number of ratings	1 — better	—
Update frequency	Monthly — better	Every 4 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	12.0 — better	13.0
Further details — not scored
Size	42 MB	40 MB
Age rating	4+	17+
Developer	Ningbo Wangtong Locks Co., Ltd.	震王

In-app purchases

None

WT NFC

No in-app purchases

None

smark lock

No in-app purchases

Questions

Is WT NFC free?

WT NFC is free to download, with no in-app purchases.

Is smark lock free?

smark lock is free to download, with no in-app purchases.

Do WT NFC or smark lock have ads?

Neither WT NFC nor smark lock shows ads.

Which is updated more often, WT NFC or smark lock?

WT NFC ships an update monthly, and smark lock every 4 months. Most recently, WT NFC was updated on October 30, 2026 and smark lock on October 30, 2026.