# App Lock vs DKM

The clearest difference is ads: App Lock at none against DKM's shown. App Lock also leads on ratings volume (259 vs 6) and rating (4.7 vs 4.5). DKM's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. App Lock sells 1 one-off in-app purchase and DKM sells 5 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

App Lock holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: App Lock has 259 ratings behind it against 6, so its average is the more settled of the two.

App Lock ships an update weekly, DKM every 2 weeks. The most recent releases landed on September 26, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | App Lock | DKM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (259 ratings)](https://appshunter.io/ios/app/app-lock-invis-appblock/id1672223963/reviews)** | [4.5 (6 ratings)](https://appshunter.io/ios/app/dkm-document-keeper-multipass/id6457209099/reviews) |
| Number of ratings | **259** | 6 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 29 MB | 108 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [亚娟 秦](https://appshunter.io/developer/1539395142) | [Duyen Tran](https://appshunter.io/developer/1691033708) |

## What reviewers say

### App Lock

[App page](https://appshunter.io/ios/app/app-lock-invis-appblock/id1672223963)

Manage your screen time and enhance focus with intelligent app blocking and privacy protection. Create a private digital space, track usage, and set schedules to reduce distractions and build healthier digital habits.

**Highlights:** App blocking for privacy, Focus management and deep work sessions, Detailed app usage statistics, Smart scheduling of app blocking, System-level protection and control, Camouflage mode for dual identity, Privacy protection and data security

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invis Pro Lifetime | $2.99 | one-time |

**What reviewers like**

- 👍 Free to use
- 🔒 Privacy protection
- 👍 Integrates with Screen Time
- 👍 Good experience overall
- 👍 Works well

**What reviewers complain about**

- 🐛 Apps disappear after hiding
- 🐛 Apps become unlocked automatically
- 🐛 White screen/freezing when adding apps
- 🐛 Subscription billing issues
- 🐛 App crashes/logs out of WhatsApp

**Reported bugs**

- Apps disappear after hiding
- Apps become unlocked automatically
- White screen/freezing when adding apps
- Subscription billing issues (unexpected charges)
- App crashes/logs out of WhatsApp

**Requested features**

- Fix apps disappearing after hiding
- Fix apps unlocking automatically
- Fix white screen/freezing when adding apps
- Address subscription billing and cancellation
- Resolve WhatsApp logout issue


### 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 |


## Frequently asked questions

### Is App Lock free?

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

### Is DKM free?

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

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

App Lock is rated higher. App Lock averages 4.7 out of 5 from 259 ratings, while DKM averages 4.5 from 6 ratings.

### Do App Lock or DKM have ads?

DKM shows ads; App Lock does not.

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

App Lock ships an update weekly, and DKM every 2 weeks. Most recently, App Lock was updated on September 26, 2026 and DKM on September 19, 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.*