# DDLock vs AppLock

The clearest difference is rating: AppLock at 4.5 against DDLock's 2.9. AppLock also leads on update cadence (every 3 weeks vs every 4 months) and ratings volume (1.4K vs 99). DDLock's advantage is in-app purchases (none vs 7) and ads (none vs shown). On price, review sentiment and device support there is nothing between them.

Both are free to download. AppLock sells 7 in-app purchases, starting at $4.99 per 7 days. DDLock asks for nothing beyond the download.

AppLock holds the better App Store score, 4.5 against 2.9. That said, the two scores are not equally well evidenced: AppLock has 1.4K ratings behind it against 99, so its average is the more settled of the two. Written reviews point the same way: 20% of DDLock's written reviews are positive against 21% of AppLock's.

DDLock ships an update every 4 months, AppLock every 3 weeks. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | DDLock | AppLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (99 ratings)](https://appshunter.io/ios/app/ddlock/id6443749440/reviews) | **[4.5 (1.4K ratings)](https://appshunter.io/ios/app/applock-lock-and-guard-private/id6450743069/reviews)** |
| Number of ratings | 99 | **1.4K** |
| Positive reviews | 20.0% of reviews | **21.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 407 MB | 264 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Kaadas Intelligent Technology Co.,Ltd](https://appshunter.io/developer/1155786021) | [CEM SOFTWARE LTD](https://appshunter.io/developer/1664408786) |

## What reviewers say

### DDLock

[App page](https://appshunter.io/ios/app/ddlock/id6443749440)

Unlock your doors using your smartphone, eliminating the need for physical keys. This app offers a more convenient and modern way to manage access to your locks.

**Highlights:** Unlock with smartphone, Eliminates physical keys, Convenient lock access, Modern security solution

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### AppLock

[App page](https://appshunter.io/ios/app/applock-lock-and-guard-private/id6450743069)

Secure your apps, photos, and notes with advanced locking mechanisms. Block distractions, customize themes, and catch intruders to protect your personal data and enhance productivity.

**Highlights:** Lock all apps, Distraction blocking, Scheduled blocking, Customizable themes, Intruder selfie, Private web browser, Hide photos, contacts, notes

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AppLock Premium | $4.99 | per 7 days |
| AppLock Premium | $4.99 | per 7 days |
| Lock Apps Premium | $9.99 | per month |
| AppLock - Lock Premium | $9.99 | per month |
| AppLock Yearly Subscription | $29.99 | per year |
| Sale Off | $29.99 | per year |
| App Lock Yearly  Discount | $79.99 | per year |

**What reviewers like**

- 🔒 Safe and secure
- 🔒 Private browsing and app locking
- 👍 Easy to use

**What reviewers complain about**

- 🐛 Difficult to follow instructions
- 🐛 App doesn't work as expected
- 💰 Requires payment to unlock full functionality

**Reported bugs**

- App doesn't lock all apps as promised
- App caused loss of contacts

**Requested features**

- Make the app free to use
- Improve instructions and user interface


## Frequently asked questions

### Is DDLock free?

DDLock is free to download, with no in-app purchases.

### Is AppLock free?

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

### Which has better reviews, DDLock or AppLock?

AppLock is rated higher. DDLock averages 2.9 out of 5 from 99 ratings, while AppLock averages 4.5 from 1.4K ratings.

### Do DDLock or AppLock have ads?

AppLock shows ads; DDLock does not.

### Which is updated more often, DDLock or AppLock?

DDLock ships an update every 4 months, and AppLock every 3 weeks. Most recently, DDLock was updated on September 20, 2026 and AppLock on September 22, 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.*