Next lock vs SmartKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Next lock
This app offers intelligent and safe property security solutions. It aims to provide a secure environment for your assets through advanced features.
- Intelligent property security
- Safe property management
- Secure asset protection
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Next lock,Secure your properties intelligently&safely
SmartKey
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Next lock | SmartKey |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (74 ratings) — better | — |
| Positive reviews | 43.1% of reviews | — |
| Number of ratings | 74 — better | — |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 407 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | 皎 王 | SmartKey s.r.o. |
In-app purchases
Next lock
No in-app purchases
SmartKey
No in-app purchases









