Comparison

AppLock 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

AppLock

Secure your mobile device by locking apps to protect privacy and prevent unauthorized access. Manage screen time with customizable schedules and usage limits to improve focus and well-being. Offers advanced security features and parental controls.

Highlights
  • Direct app locking
  • Scheduled app locking
  • Countdown and quota usage limits
  • Widget lock for home screen
  • Face ID and password dual lock
  • Prevent inappropriate app installs
  • Anti-deletion protection
Features
Read full description

Lock your apps to protect your privacy, manage your screen time, and control phone usage. Main Features: - Direct Lock: Select the apps you want to lock, lock them with one click, restrict access, and prevent data leaks. - Schedule Lock: Automatically lock specific apps based on your schedule, helping you focus on current tasks and improving work efficiency and quality of life. - Countdown Lock: Set a usage duration for apps, manage time effectively with a countdown feature. - Quota Lock: Set daily usage limits for apps to prevent overuse and maintain good life habits. - Widget Lock: Innovatively provide a widget lock feature to keep your home screen tidy and prevent accidental display of private information. - Face ID & Password Dual Lock: Combine biometric recognition and traditional passwords for higher-level security of your apps. - Prohibit Inappropriate App Installations: Prevent children from installing unsuitable apps, protecting them from harmful information. - Anti-Deletion Protection: Prevent important apps and data from being accidentally deleted. - Spending Control: Effectively prevent accidental in-app purchases and avoid unnecessary expenses. Download and experience a comprehensive solution for mobile privacy and control Information about the auto-renewable nature of the subscription. Confirm subscription: Payment will be charged to iTunes Account at confirmation of purchase. Manage subscriptions: Users can manage or unsubscribe in iTunes & App Store account management in the phone system settings. Auto-renewal: Apple iTunes account will be charged for renewal within 24-hours prior to the end of the current subscription period. To cancel the renewal, please turn off auto-renew manually at least 24-hours before the end of the period. No cancellation of the current subscription is allowed during the active subscription period. Free trial: Free trial (if any) will automatically renew the version at upon expiration. You can go to the Account Settings to cancel the renewal before the trial ends. The current free trial will be forfeited when you purchase a subscription to the premium version before the trial period ends. Terms of Service:https://limit.limitprivacy.site/terms-service Terms of Payment:https://limit.limitprivacy.site/terms-payment Privacy Policy:https://limit.limitprivacy.site/privacy-policy Apple Terms of Use (EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Contact E-mail:support@limitprivacy.site

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

AppLock3 screens
KCalc Lock4 screens

Verdict

The call

The clearest difference is ads: KCalc Lock at none against AppLock's shown. KCalc Lock also leads on monetization model (free vs free with in-app purchases) and review sentiment (97% vs 77%). AppLock's advantage is ratings volume (205 vs 44). On price, rating, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. AppLock sells 2 in-app purchases, starting at $0.99 per 7 days and KCalc Lock sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for AppLock against 4.5 for KCalc Lock. Both are backed by a comparable volume of ratings — 205 and 44 respectively. Written reviews are what separate them: 77% of AppLock's written reviews are positive against 97% of KCalc Lock's.

UpkeepUpdate frequency

AppLock ships an update every 8 days, KCalc Lock every 3 days. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

Scorecard5 real differences · 5 level
AppLock versus KCalc Lock: the parameters behind the verdict, then further details
ParameterAppLockKCalc Lock
PriceFreeFree
Rating4.4 (205 ratings)4.5 (44 ratings) — better
Positive reviews76.7% of reviews97.1% of reviews — better
Number of ratings205 — better44
Update frequencyEvery 8 daysEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.016.0
Further details — not scored
Size71 MB33 MB
Age rating4+4+
Developer俊涛 刘海芸 吴

Customer experience

AppLock

All ratings205 ratings
Positive82.4%
Neutral6.3%
Negative11.2%
Written reviews43 reviews
Positive76.7%
Neutral9.3%
Negative14.0%

KCalc Lock

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

In-app purchases

2 purchases

AppLock

Subscriptions2
  • Weekly Premium$0.997 Days
  • Yearly Premium$9.991 Year
2 purchases

KCalc Lock

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

Questions

Is AppLock free?
AppLock is free to download, with in-app purchases available.
Is KCalc Lock free?
KCalc Lock is free to download, with in-app purchases available.
Which has better reviews, AppLock or KCalc Lock?
KCalc Lock is rated higher. AppLock averages 4.4 out of 5 from 205 ratings, while KCalc Lock averages 4.5 from 44 ratings.
Do AppLock or KCalc Lock have ads?
AppLock shows ads; KCalc Lock does not.
Which is updated more often, AppLock or KCalc Lock?
AppLock ships an update every 8 days, and KCalc Lock every 3 days. Most recently, AppLock was updated on October 20, 2026 and KCalc Lock on October 21, 2026.

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