# KCalc App Lock: Lock Apps — Password for Apps, App Locker

> App locker and private vault with password, biometric, and dual privacy features. (iPhone/iPad app by 海芸 吴.)

- Source: https://appshunter.io/ios/app/kcalc-app-lock-lock-apps/id6677031593 (this page in markdown: same URL + `.md`)
- Developer: [海芸 吴](https://appshunter.io/developer/1054628440)
- Category: Utilities
- Price: Free with in-app purchases
- Rating: 4.50/5 from 44 App Store ratings · 34 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 33 MB
- Languages: American English, Afrikaans, Arabic, Bangla, Burmese, Khmer, Czech, Danish, Dutch, Filipino and 29 more
- Released: 2025-01-16
- Data updated: 2026-10-17
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/kcalc-app-lock-lock-apps/id6677031593/reviews.md

## What is KCalc App Lock?

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

## Key features

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

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Pro Lifetime Access | $39.99 | one-time |


## Is KCalc App Lock safe?

KCalc App Lock: Lock Apps appears mostly safe based on user ratings. The AppsHunter Safety Score for KCalc App Lock is 84 out of 100. This assessment is based on 44 user ratings, with an App Store average of 4.5 out of 5. Of 44 App Store ratings, 88.6% point to a safe experience, 2.3% suggest some concerns, and 9.1% point to a risky experience.

## Is KCalc App Lock legit?

KCalc App Lock: Lock Apps appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for KCalc App Lock is 65 out of 100 points across 7 verification signals from App Store and developer data.

## Recent user reviews (10 of 34)

All indexed reviews: https://appshunter.io/ios/app/kcalc-app-lock-lock-apps/id6677031593/reviews.md

### 5/5 — The best

*2026-06-09*

Do I even got to explain

### 5/5 — I love it

*2026-04-16, version 1.5.13*

Best free locking app if there were a donation page i would donate

### 5/5 — LOVE IT

*2026-03-22, version 1.5.13*

I am so grateful for this app try it for your own good

### 5/5 — 希望增加功能

*2026-03-02*

应用很棒，很简洁，希望增加快捷指令

### 5/5 — 很棒的应用

*2025-12-28*

使用很方便

### 5/5 — Good, But Needs To Be Changed

*2025-12-15*

This is great but the only reason I don’t use this often is because they need to make one of the options for the icon the apple calculator icon, pls add this Thx.

### 5/5 — Uygulama kilidi

*2025-10-16, version 1.5.13*

Harika bir program

### 5/5 — Codice

*2025-10-11, version 1.5.13*

Se si dimentica il codice cosa bisogna fare?

### 5/5 — ใช้ง่าย สะดวกดี

*2025-08-03, version 1.5.11*

ชอบมากเลยครับ

### 5/5 — 🥰🥰

*2025-07-14, version 1.5.6*

J’aime beaucoup votre application, elle m’a beaucoup

## Frequently asked questions about KCalc App Lock

### What does KCalc App Lock do?

KCalc App Lock is a privacy and security application designed to protect your personal data. It allows you to lock sensitive applications, photos, and files using a password or biometric authentication like Face ID. The app aims to prevent accidental access by friends or colleagues.

### What are the key security features of KCalc App Lock?

Key features include password and biometric protection for unlocking, one-tap protection to instantly secure apps, and a private photo vault for storing confidential images. It also offers a Dual Privacy Shield which allows you to switch to a 'Second Space' with pre-set content when unlocking under scrutiny.

### Is KCalc App Lock free to use?

Yes, based on the provided information, KCalc App Lock is a free application. There are no mentions of in-app purchases or subscription models, and it is also stated to have no ads.

### How can I use KCalc App Lock for privacy?

You can use KCalc App Lock to secure individual apps like social media, messaging, or banking apps. It also provides a dedicated private photo vault to keep your personal pictures safe and hidden from your main gallery. The dual privacy shield offers an extra layer of security for sensitive situations.

## Version history (last 5 releases)

### 1.5.23 — 2026-10-17

bug fix

### 1.5.22 — 2026-10-16

Performance improvements and bug fixes

### 1.5.21 — 2026-10-14

bug fix

### 1.5.19 — 2026-10-01

bug fix

### 1.5.18 — 2026-09-29

bug fix

## Apps similar to KCalc App Lock

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Black Box - Lock Restrict Apps](https://appshunter.io/ios/app/black-box-lock-restrict-apps/id6547836962) | 4.8 (37) | Free | Utilities |
| [App Lock - App Blocker ＆Vault](https://appshunter.io/ios/app/app-lock-app-blocker-vault/id6737890063) | 4.9 (22) | Free | Utilities |
| [Super App Lock：MystNote](https://appshunter.io/ios/app/super-app-lockmystnote/id6479701537) | 5.0 (5) | Free | Utilities |
| [Quick Hide - Privacy Contacts](https://appshunter.io/ios/app/quick-hide-privacy-contacts/id6468189783) | 4.5 (4) | Free | Utilities |
| [Cloak: App Lock & Blocker](https://appshunter.io/ios/app/cloak-app-lock-and-blocker/id6755939574) | 4.3 (14) | Free | Utilities |
| [AppLock: Hide & Secure Apps](https://appshunter.io/ios/app/applock-hide-and-secure-apps/id6463155691) | 4.4 (205) | Free | Utilities |

## Related topics

[kcalc](https://appshunter.io/ios/topics/kcalc)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-17.*