# App Lock vs Nas Player Pro

The clearest difference is price: App Lock at Free against Nas Player Pro's $4.99. App Lock also leads on review sentiment (67% vs 50%) and ratings volume (22 vs 2). Nas Player Pro's advantage is update cadence (every 11 days vs every 5 weeks) and device support (3 vs 1). On rating, ads, in-app purchases and iOS requirement there is nothing between them.

App Lock is free to download; Nas Player Pro costs $4.99 up front. App Lock sells 2 in-app purchases, starting at $2.99 per 7 days and Nas Player Pro sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for App Lock against 5.0 for Nas Player Pro. That said, the two scores are not equally well evidenced: App Lock has 22 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 67% of App Lock's written reviews are positive against 50% of Nas Player Pro's.

App Lock ships an update every 5 weeks, Nas Player Pro every 11 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | App Lock | Nas Player Pro |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.9 (22 ratings)](https://appshunter.io/ios/app/app-lock-app-blocker-vault/id6737890063/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nas-player-pro/id6760107986/reviews)** |
| Number of ratings | **22** | 2 |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 11 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 30 MB | 59 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing iDOTOOLS Technology Co., Ltd](https://appshunter.io/developer/1627204739) | [Setsuo Sakamoto](https://appshunter.io/developer/1882681452) |

## What reviewers say

### App Lock

[App page](https://appshunter.io/ios/app/app-lock-app-blocker-vault/id6737890063)

Secure your personal data by locking individual apps with a password. This tool helps prevent unauthorized access to photos, videos, and social media. It also includes features to limit app usage time, aiding in parental control and promoting healthy digital habits.

**Highlights:** App locking with password, Private photo and video vault, App usage time limits, Parental control features, Advanced password security, App grouping

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Lifetime | $49.99 | one-time |


### Nas Player Pro

[App page](https://appshunter.io/ios/app/nas-player-pro/id6760107986)

Access and stream media directly from SMB servers on your local network. Enjoy fast playback of videos, music, images, and documents with integrated file management and an intuitive interface.

**Highlights:** Seamless SMB streaming, Automatic smart cover artwork, Recursive 'Play All' for sequential playback, Hybrid multi-reader for various media types, Ultra-fast image viewer, Integrated file management, Intuitive setup

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 開発者への寄付（500円） | $2.99 | one-time |
| 開発者への寄付（1000円） | $5.99 | one-time |
| 開発者への寄付（2000円） | $11.99 | one-time |
| 開発者への寄付（5000円） | $29.99 | one-time |


## Frequently asked questions

### Is App Lock free?

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

### Is Nas Player Pro free?

Nas Player Pro costs $4.99, and also offers in-app purchases.

### Which has better reviews, App Lock or Nas Player Pro?

Nas Player Pro is rated higher. App Lock averages 4.9 out of 5 from 22 ratings, while Nas Player Pro averages 5.0 from 2 ratings.

### Do App Lock or Nas Player Pro have ads?

Neither App Lock nor Nas Player Pro shows ads.

### Which is updated more often, App Lock or Nas Player Pro?

App Lock ships an update every 5 weeks, and Nas Player Pro every 11 days. Most recently, App Lock was updated on October 24, 2026 and Nas Player Pro on October 28, 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.*