Comparison

KCalc Lock vs 应用软件锁

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

Head to head
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

About

应用软件锁

Secure your mobile apps and personal data with advanced locking features. Protect against unauthorized access, manage phone usage for children, and customize your device's appearance for enhanced privacy.

Highlights
  • App locking for privacy
  • Lending mode for shared devices
  • Anti-uninstallation protection
  • Customizable desktop icons
  • Local data processing for security
  • Child usage management
Features
Read full description

Safe Locker is a tool app that fully protects the security of users' mobile apps and personal information, providing app locking, lending mode, anti-uninstallation protection, and desktop icon modification to ensure privacy and security and help optimize time management. Featured Functions: 【App Lock】:Help you and your family, especially children, establish healthy cell phone usage habits. By locking the designated apps, it reduces over-dependence and addiction to cell phone apps, which is suitable for families to manage and control their cell phones effectively in the baby-with-children mode; [Lending Mode]: When you lend your cell phone to others, the lending mode prevents others from snooping on your private information and applications, protecting your privacy; [Anti-Uninstallation Protection]: Prevents unauthorized users from deleting mobile applications, thus protecting important information from being accidentally deleted or maliciously removed; Desktop Icon]: Replace the icon you want to make access safer and more convenient, avoiding direct exposure of your private applications; All operations of Safe Locker are done locally, without involving third-party SDKs and services, providing safer and more private protection measures in all aspects. If you encounter problems during use, we recommend contacting the official WeChat customer service, we will be happy to answer your questions and try our best to help you solve the problem. Renewal Membership Package Description: - Membership benefits: Unlimited locking, customized desktop icons, limited in-app purchases, etc. - Payment: Users are credited to their iTunes account after confirmation of purchase and payment. - Monthly Membership: Subscription for one month product price is $1.99/1 month. - Quarterly Membership: The price for a six-month product subscription is $7.99. - Annual Membership: The price for a one-year product subscription is $24.99/12 months. Privacy Policy: http://xlock.beijingmorning.cn/xieyi/yindex.html User Agreement: http://xlock.beijingmorning.cn/xieyi/ypolicy.html Member Service Agreement: http://xlock.beijingmorning.cn/xieyi/yvipuser.html - Contact Us - Do not leave us, let's raise well together! It's not easy to develop, if you encounter any problems in using it, please contact us!

Screenshots

KCalc Lock4 screens
应用软件锁4 screens

Verdict

The call

The clearest difference is ads: KCalc Lock at none against 应用软件锁's shown. KCalc Lock also leads on monetization model (free vs free with in-app purchases) and update cadence (every 3 days vs fortnightly). On price, in-app purchases, 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 and 应用软件锁 sells 10 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

KCalc Lock ships an update every 3 days, 应用软件锁 fortnightly. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

Scorecard4 real differences · 6 level
KCalc Lock versus 应用软件锁: the parameters behind the verdict, then further details
ParameterKCalc Lock应用软件锁
PriceFreeFree
Rating4.5 (44 ratings) — better—
Positive reviews97.1% of reviews — better88.9% of reviews
Number of ratings44 — better—
Update frequencyEvery 3 days — betterFortnightly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better16.1
Further details — not scored
Size33 MB101 MB
Age rating4+4+
Developer海芸 吴XMAN HONG KONG LIMITED

Customer experience

KCalc Lock

All ratings44 ratings
Positive88.6%
Neutral2.3%
Negative9.1%
Written reviews34 reviews
Positive97.1%
Neutral0.0%
Negative2.9%

应用软件锁

Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

In-app purchases

2 purchases

KCalc Lock

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

应用软件锁

Subscriptions8
  • Weekly member$0.997 Days
  • Monthly member1 Month trial$1.991 Month
  • 月度会员1 Month trial$1.991 Month
Show 5 more
  • 年度会员$3.991 Year
  • Quarterly member2 variants$7.993 Months
  • Quarterly member3 Days trial$7.993 Months
  • Annual member$24.991 Year
  • Annual member3 Days trial$24.991 Year
One-time2
  • Permanent Membership$9.99
  • Annual member$24.99

Questions

Is KCalc Lock free?
KCalc Lock is free to download, with in-app purchases available.
Is 应用软件锁 free?
应用软件锁 is free to download, with in-app purchases available.
Do KCalc Lock or 应用软件锁 have ads?
应用软件锁 shows ads; KCalc Lock does not.
Which is updated more often, KCalc Lock or 应用软件锁?
KCalc Lock ships an update every 3 days, and 应用软件锁 fortnightly. Most recently, KCalc Lock was updated on October 21, 2026 and 应用软件锁 on October 18, 2026.

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