smart LK vs XCalc Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
smart LK
Control your smart lock remotely with this app. It supports unlocking via password and offers security alerts for brute-force attempts on fingerprint locks, ensuring property safety.
- Remote unlocking
- Password lock support
- Brute force crack alerts
- Property safety notifications
Read full descriptionHide full description
Welcome to use our company's smart lock. This App needs to be used with our company's smart lock Supports App remote unlocking, password lock and other unlocking methods. When the fingerprint lock finds that there is a brute force crack, it will send a message to the user to ensure the safety of the user's property.
XCalc Calculator
An efficient and minimalist calculator app offering essential arithmetic functions, including parentheses and percentages. It features a clean interface, customizable themes, and a history log for easy access to past calculations. The app is designed for quick startup and convenient operation.
- Addition, subtraction, multiplication, division
- Parentheses and percentage support
- Thousands separator display
- Adjustable decimal places
- Calculation history log
- Black and white themed skins
Read full descriptionHide full description
XCalc calculator, an efficient and minimalist calculator. Fully functional, more practical, occupies less space, and is very convenient to operate. Product Features -Supports addition, subtraction, multiplication, division, parentheses, and percentage signs -Display in thousands -Level reminder -The calculation process of freely setting the number of decimal places after the decimal point: The calculation process is fully recorded, making it easy to access and edit at any time. The black and white themed skin has two types of skins, simple and atmospheric, exquisite and cool. The operation is simple and efficient: fast startup, convenient operation, simple and efficient, super time saving!
Screenshots
Verdict
The clearest difference is in-app purchases: smart LK at none against XCalc Calculator's 3. smart LK also leads on ads (none vs shown) and rating (5.0 vs 4.8). XCalc Calculator's advantage is ratings volume (5 vs 1). On price, update cadence 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
Both are free to download. XCalc Calculator sells 3 one-off in-app purchases. smart LK asks for nothing beyond the download.
smart LK holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: XCalc Calculator has 5 ratings behind it against 1, so its average is the more settled of the two.
smart LK ships an update monthly, XCalc Calculator fortnightly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | smart LK | XCalc Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.8 (5 ratings) |
| Positive reviews | — | 78.3% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 12 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | libing yang | 秀丽 周 |
Customer experience
smart LK
XCalc Calculator
In-app purchases
smart LK
No in-app purchases
XCalc Calculator
- permanent member$3.99
- VIP Activity$6.99
- VIP$9.99
