# aLock vs TTC Scanner

The clearest difference is in-app purchases: TTC Scanner at none against aLock's 3. TTC Scanner also leads on iOS requirement (12.4 vs 16.0). aLock's advantage is update cadence (every 3 weeks vs every 9 months). On price, ads 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. TTC Scanner asks for nothing beyond the download.

aLock ships an update every 3 weeks, TTC Scanner every 9 months. The most recent releases landed on August 30, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | aLock | TTC Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (31 ratings)](https://appshunter.io/ios/app/alock-app-lock/id1663668785/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Monetization | Freemium | — |
| Size | 7 MB | 28 MB |
| Requires iOS | 16.0 | **12.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [裕涛 兰](https://appshunter.io/developer/1624361053) | [Aayu Corp Pty Ltd](https://appshunter.io/developer/1683300518) |

## 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 |


### TTC Scanner

[App page](https://appshunter.io/ios/app/ttc-scanner/id6448037104)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is aLock free?

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

### Is TTC Scanner free?

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

### Do aLock or TTC Scanner have ads?

Neither aLock nor TTC Scanner shows ads.

### Which is updated more often, aLock or TTC Scanner?

aLock ships an update every 3 weeks, and TTC Scanner every 9 months. Most recently, aLock was updated on August 30, 2026 and TTC Scanner on May 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.*