Comparison

Next lock vs SmartKey

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

Head to head
About

Next lock

This app offers intelligent and safe property security solutions. It aims to provide a secure environment for your assets through advanced features.

Highlights
  • Intelligent property security
  • Safe property management
  • Secure asset protection
Features
Read full description

Next lock,Secure your properties intelligently&safely

About

SmartKey

Features
Read full description

SmartKey is providing you with full control over multiple types of locks. With its user-friendly interface and advanced features, this app offers unparalleled convenience and security. You can effortlessly manage your locks through Bluetooth control, allowing you to easily lock and unlock them with just a few taps on your phone. Whether it's a door lock, hotel room, or any other compatible lock, this app puts the power in your hands. Additionally, app offers remote control functionality, enabling you to access and control your locks from anywhere in the world. This feature is particularly useful when you need to grant temporary access to someone or monitor the status of your locks while you're away. The app also provides comprehensive management capabilities, allowing you to organize and customize your lock settings with ease. You can add and remove users, set access permissions, track lock activities for any suspicious or unauthorized access attempts. It is the ultimate companion for anyone seeking a secure and convenient way to manage their access system. Experience the freedom and control that this app brings to your fingertips.

Screenshots

Next lock3 screens
SmartKey4 screens

Verdict

The call

Next lock and SmartKey are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Next lock ships an update every 3 months, SmartKey every 5 months. The most recent releases landed on September 21, 2026 and May 16, 2026 respectively.

ScorecardNo meaningful differences
Next lock versus SmartKey: the parameters behind the verdict, then further details
ParameterNext lockSmartKey
PriceFreeFree
Rating2.7 (74 ratings) — better—
Positive reviews43.1% of reviews—
Number of ratings74 — better—
Update frequencyEvery 3 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size407 MB20 MB
Age rating4+4+
Developer皎 王SmartKey s.r.o.

In-app purchases

None

Next lock

No in-app purchases

None

SmartKey

No in-app purchases

Questions

Is Next lock free?
Next lock is free to download, with no in-app purchases.
Is SmartKey free?
SmartKey is free to download, with no in-app purchases.
Do Next lock or SmartKey have ads?
Neither Next lock nor SmartKey shows ads.
Which is updated more often, Next lock or SmartKey?
Next lock ships an update every 3 months, and SmartKey every 5 months. Most recently, Next lock was updated on September 21, 2026 and SmartKey on May 16, 2026.

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