DKM vs KCalc App Lock, App Locker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DKM
Securely manage your device's apps and sensitive documents with multiple password-protected worlds. Protect your privacy when sharing your device or lend it out without compromising your data.
- App management
- Secure document storage
- Multiple password protection
- Create separate password worlds
- Child device management
- Confidential information protection
Read full descriptionHide full description
DKM: Document Keeper Multipass is an application that manages applications on devices and sensitive documents, helping users securely store their documents with multiple passwords. Personal data security is an inevitable need, but what to do when you have to share your device with many people or lend your phone to someone? Don't worry, we will help you with that. The most special feature of the application is that users can create many passwords corresponding to many separate worlds. You can give your password to your lover, children, friends without fear that they know what your correct password is. All information is strictly confidential. With the Applications feature, parents or guardians can manage their children's devices in the most effective way. And many interesting features are waiting for you to discover, download now! Terms and Conditions: https://mituultra.com/dkm/terms-conditions Privacy Policy: https://mituultra.com/dkm/privacy-policy Contact the developer team: support@mituultra.com
KCalc App Lock, App Locker
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.
- Password & Biometric Protection
- One-Tap App Protection
- Private Photo Vault
- Customizable App Icon
- Dual Privacy Shield (Guest Passcode)
Read full descriptionHide 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
Verdict
The clearest difference is ads: KCalc App Lock, App Locker at none against DKM's shown. KCalc App Lock, App Locker also leads on monetization model (free vs free with in-app purchases) and update cadence (every 6 days vs every 2 weeks). 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
Both are free to download. DKM sells 5 in-app purchases, starting at $1.99 per 7 days and KCalc App Lock, App Locker sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.5 for DKM against 4.5 for KCalc App Lock, App Locker. That said, the two scores are not equally well evidenced: KCalc App Lock, App Locker has 44 ratings behind it against 6, so its average is the more settled of the two.
DKM ships an update every 2 weeks, KCalc App Lock, App Locker every 6 days. The most recent releases landed on September 19, 2026 and September 26, 2026 respectively.
| Parameter | DKM | KCalc App Lock, App Locker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (6 ratings) | 4.5 (44 ratings) |
| Positive reviews | — | 97.1% of reviews |
| Number of ratings | 6 | 44 — better |
| Update frequency | Every 2 weeks | Every 6 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 108 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Duyen Tran | 海芸 吴 |
Customer experience
DKM
KCalc App Lock, App Locker
In-app purchases
DKM
- Weekly Premium Plus$1.997 Days
- Weekly Premium3 Days trial$3.997 Days
- Monthly Premium7 Days trial$7.991 Month
Show 2 moreShow fewer
- Premium Monthly Plus$7.991 Month
- Yearly Premium7 Days trial$14.991 Year
KCalc App Lock, App Locker
- Pro Monthly$5.991 Month
- Pro Lifetime Access$39.99









