# KCalc App Lock, App Locker — App Vault, Lock Apps & Photos

> 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-app-locker/id6677031593 (this page in markdown: same URL + `.md`)
- Developer: [海芸 吴](https://appshunter.io/developer/1054628440)
- Category: Utilities
- Price: Free
- Rating: 4.21/5 from 14 App Store ratings · 34 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 20 MB
- Languages: Afrikaans, Arabic, Bangla, Burmese, Khmer, Czech, Danish, Dutch, French, German and 26 more
- Released: 2025-01-16
- Data updated: 2026-08-18
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/kcalc-app-lock-app-locker/id6677031593/reviews.md

## What is KCalc App Lock, App Locker?

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.

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)

## Recent user reviews (10 of 34)

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

### 5/5 — The best

*2026-06-09, version 1.5.13*

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, version 1.5.13*

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, version 1.5.13*

使用很方便

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

*2025-12-15, version 1.5.13*

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, App Locker

### 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)

### 1.5.13 — 2025-10-10

bug fix

### 1.5.12 — 2025-09-05

bug fix

### 1.5.11 — 2025-08-02

bug fix

### 1.5.10 — 2025-07-29

bug fix

### 1.5.9 — 2025-07-21

bug fix

## Apps similar to KCalc App Lock, App Locker

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [StegoSafe](https://appshunter.io/ios/app/stegosafe/id6751179082) | — | $49.99 | Utilities |
| [Photo Vault - SafeCalc](https://appshunter.io/ios/app/photo-vault-safecalc/id1242270392) | 4.6 (1,872) | Free | Utilities |
| [Photo Vault & App Lock - PicX](https://appshunter.io/ios/app/photo-vault-and-app-lock-picx/id1545937424) | 4.2 (6,567) | Free | Utilities |
| [App Lock - Lock Apps & Photos](https://appshunter.io/ios/app/app-lock-lock-apps-and-photos/id1569973513) | 4.5 (25,113) | Free | Utilities |
| [UserLock Push](https://appshunter.io/ios/app/userlock-push/id1633085926) | 4.8 (181) | Free | Utilities |
| [Lock Apps - Block App](https://appshunter.io/ios/app/lock-apps-block-app/id6466579327) | 4.8 (5) | 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 2026-08-18.*