# Block Apps & Focus | AcornLock vs PlainLock

The clearest difference is price: Block Apps & Focus | AcornLock at Free against PlainLock's $2.99. PlainLock's advantage is in-app purchases (none vs 3). On update cadence, ads, device support and iOS requirement there is nothing between them.

Block Apps & Focus | AcornLock is free to download; PlainLock costs $2.99 up front. Block Apps & Focus | AcornLock sells 3 in-app purchases, starting at $1.99 per 7 days. PlainLock asks for nothing beyond the download.

Block Apps & Focus | AcornLock ships an update every 10 days, PlainLock every 5 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Block Apps & Focus | AcornLock | PlainLock |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Size | 21 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shibapp LLC](https://appshunter.io/developer/852300851) | [Chang Jhih Yeh](https://appshunter.io/developer/6787857579) |

## What reviewers say

### Block Apps & Focus | AcornLock

[App page](https://appshunter.io/ios/app/block-apps-and-focus-acornlock/id6770752543)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $1.99 | per 7 days |
| Premium Yearly | $19.99 | per year |
| AcornLock Premium Lifetime | $49.99 | one-time |


### PlainLock

[App page](https://appshunter.io/ios/app/plainlock-screen-time-blocker/id6789597367)

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Apps & Focus | AcornLock free?

Block Apps & Focus | AcornLock is free to download, with in-app purchases available.

### Is PlainLock free?

PlainLock costs $2.99, with no in-app purchases.

### Do Block Apps & Focus | AcornLock or PlainLock have ads?

Neither Block Apps & Focus | AcornLock nor PlainLock shows ads.

### Which is updated more often, Block Apps & Focus | AcornLock or PlainLock?

Block Apps & Focus | AcornLock ships an update every 10 days, and PlainLock every 5 days. Most recently, Block Apps & Focus | AcornLock was updated on October 25, 2026 and PlainLock on October 25, 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.*