Comparison

Apex Security vs KCalc Lock

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

Head to head
About

Apex Security

Features
Read full description

This is a home security and home automation application which allows its users to access and manage their systems remotely.

About

KCalc Lock

Secure your personal data with multi-layered protection. Lock sensitive apps, photos, and files using passwords or biometrics. Features include one-tap protection, a private photo vault, and a dual privacy shield for enhanced security.

Highlights
  • Password & Biometric Protection
  • One-Tap App Protection
  • Private Photo Vault
  • Customizable App Icon
  • Dual Privacy Shield (Guest Passcode)
Read full description

KCalc – Your Fully Private & Secure Space With KCalc Privacy Lock, your personal data is protected by multi-layered security. No more worrying about friends or colleagues accidentally accessing your secret apps, photos, or files. • Password & Biometric Protection Secure your space with a strong password or unlock seamlessly via Face ID. • One-Tap Protection Instantly protect sensitive apps with a single tap. Enable the auto-lock feature for enhanced convenience and security. • Private Photo Vault Safely store confidential photos in an encrypted gallery, safeguarded from prying eyes. • Custom App Icon Personalize the app icon to match your style. Choose from multiple icon options for a truly private and personalized experience. • Dual Privacy Shield When asked to unlock under scrutiny, enter the guest passcode to instantly switch to Second Space — your private data stays fully hidden while showing pre-set content. Download KCalc Privacy Lock now and take full control of your digital privacy — fast, smart, and secure. Pro Subscription Information KCalc offers an auto-renewable Pro subscription (monthly). Subscribing unlocks all Pro features in the app. - Payment: Payment will be charged to your Apple Account at confirmation of purchase. - Auto-Renewal: Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. - Manage or Cancel: You can manage your subscription and turn off auto-renewal at any time in Settings → tap your name → Subscriptions. Terms of Use: https://dawn-zephyr-0e3.notion.site/Terms-of-Use-End-User-License-Agreement-3dc70fc5aff880d382dcca2c6441df51 Privacy Policy: https://dawn-zephyr-0e3.notion.site/Private-Policy-3dc70fc5aff880e783aed858da8eaad2 Feedback & Support: aiseaystudio@gmail.com

Screenshots

Apex Security4 screens
KCalc Lock4 screens

Verdict

The call

The clearest difference is in-app purchases: Apex Security at none against KCalc Lock's 2. KCalc Lock's advantage is update cadence (every 3 days vs monthly). On price, ads, device support and iOS requirement 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. KCalc Lock sells 2 in-app purchases, starting at $5.99 per month. Apex Security asks for nothing beyond the download.

UpkeepUpdate frequency

Apex Security ships an update monthly, KCalc Lock every 3 days. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
Apex Security versus KCalc Lock: the parameters behind the verdict, then further details
ParameterApex SecurityKCalc Lock
PriceFreeFree
Rating—4.5 (44 ratings) — better
Positive reviews—97.1% of reviews
Number of ratings—44 — better
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size106 MB33 MB
Age rating4+4+
DeveloperAmSmart AS海芸 吴

In-app purchases

None

Apex Security

No in-app purchases

2 purchases

KCalc Lock

Subscriptions1
  • Pro Monthly$5.991 Month
One-time1
  • Pro Lifetime Access$39.99

Questions

Is Apex Security free?
Apex Security is free to download, with no in-app purchases.
Is KCalc Lock free?
KCalc Lock is free to download, with in-app purchases available.
Do Apex Security or KCalc Lock have ads?
Neither Apex Security nor KCalc Lock shows ads.
Which is updated more often, Apex Security or KCalc Lock?
Apex Security ships an update monthly, and KCalc Lock every 3 days. Most recently, Apex Security was updated on October 19, 2026 and KCalc Lock on October 24, 2026.

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