# aLock vs SiteBrief

The clearest difference is update cadence: SiteBrief at every 6 days against aLock's every 3 weeks. aLock's advantage is iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. aLock sells 3 in-app purchases, starting at $2.99 per 7 days and SiteBrief sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

aLock ships an update every 3 weeks, SiteBrief every 6 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | aLock | SiteBrief |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (32 ratings)](https://appshunter.io/ios/app/alock-app-lock/id1663668785/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Freemium | — |
| Size | 7 MB | 9 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [裕涛 兰](https://appshunter.io/developer/1624361053) | [NICO MARTIN LOUIS OLIVIER](https://appshunter.io/developer/1823473308) |

## What reviewers say

### aLock

[App page](https://appshunter.io/ios/app/alock-app-lock/id1663668785)

Manage your screen time effectively by setting usage limits for apps and automatically restricting them when limits are reached. This app helps users, including children, focus better by blocking distractions and inappropriate content. A free trial is available for premium features.

**Highlights:** Set app usage limits, Automatic app restriction, Manual app restriction/restoration, Focus enhancement for children, Distraction blocking, Free trial for premium features

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App Lock for 1 week | $2.99 | per 7 days |
| App Lock for 1 year | $9.99 | per year |
| App Lock Premium | $19.99 | one-time |


### SiteBrief

[App page](https://appshunter.io/ios/app/sitebrief/id6747934552)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Paid Monthly Subscription | $14.99 | per month |
| Paid Yearly Subscription | $89.99 | per year |


## Frequently asked questions

### Is aLock free?

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

### Is SiteBrief free?

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

### Do aLock or SiteBrief have ads?

Neither aLock nor SiteBrief shows ads.

### Which is updated more often, aLock or SiteBrief?

aLock ships an update every 3 weeks, and SiteBrief every 6 days. Most recently, aLock was updated on November 3, 2026 and SiteBrief on October 30, 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.*