# DKM vs KCalc App Lock, App Locker

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.

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.

## The numbers

| Metric | DKM | KCalc App Lock, App Locker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (6 ratings)](https://appshunter.io/ios/app/dkm-document-keeper-multipass/id6457209099/reviews) | [4.5 (44 ratings)](https://appshunter.io/ios/app/kcalc-app-lock-app-locker/id6677031593/reviews) |
| Number of ratings | 6 | **44** |
| Positive reviews | — | 97.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 108 MB | 31 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Duyen Tran](https://appshunter.io/developer/1691033708) | [海芸 吴](https://appshunter.io/developer/1054628440) |

## What reviewers say

### DKM

[App page](https://appshunter.io/ios/app/dkm-document-keeper-multipass/id6457209099)

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.

**Highlights:** App management, Secure document storage, Multiple password protection, Create separate password worlds, Child device management, Confidential information protection

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Plus | $1.99 | per 7 days |
| Weekly Premium | $3.99 | per 7 days |
| Monthly Premium | $7.99 | per month |
| Premium Monthly Plus | $7.99 | per month |
| Yearly Premium | $14.99 | per year |


### KCalc App Lock, App Locker

[App page](https://appshunter.io/ios/app/kcalc-app-lock-app-locker/id6677031593)

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)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Pro Lifetime Access | $39.99 | one-time |


## Frequently asked questions

### Is DKM free?

DKM is free to download, with in-app purchases available.

### Is KCalc App Lock, App Locker free?

KCalc App Lock, App Locker is free to download, with in-app purchases available.

### Which has better reviews, DKM or KCalc App Lock, App Locker?

DKM and KCalc App Lock, App Locker are both rated 4.5 out of 5 on the App Store, from 6 and 44 ratings respectively.

### Do DKM or KCalc App Lock, App Locker have ads?

DKM shows ads; KCalc App Lock, App Locker does not.

### Which is updated more often, DKM or KCalc App Lock, App Locker?

DKM ships an update every 2 weeks, and KCalc App Lock, App Locker every 6 days. Most recently, DKM was updated on September 19, 2026 and KCalc App Lock, App Locker on September 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*