# KOKIBOARD vs PlainLock

The clearest difference is price: KOKIBOARD at Free against PlainLock's $2.99. PlainLock's advantage is in-app purchases (none vs 2) and update cadence (every 5 days vs fortnightly). On ads, device support and iOS requirement there is nothing between them.

KOKIBOARD is free to download; PlainLock costs $2.99 up front. KOKIBOARD sells 2 in-app purchases, starting at $4.99 per month. PlainLock asks for nothing beyond the download.

KOKIBOARD ships an update fortnightly, PlainLock every 5 days. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | KOKIBOARD | PlainLock |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 159 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hsuan-Cheng Lai](https://appshunter.io/developer/1828116748) | [Chang Jhih Yeh](https://appshunter.io/developer/6787857579) |

## What reviewers say

### KOKIBOARD

[App page](https://appshunter.io/ios/app/kokiboard/id6770555548)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | per month |
| Heavy | $14.99 | per month |


### 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 KOKIBOARD free?

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

### Is PlainLock free?

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

### Do KOKIBOARD or PlainLock have ads?

Neither KOKIBOARD nor PlainLock shows ads.

### Which is updated more often, KOKIBOARD or PlainLock?

KOKIBOARD ships an update fortnightly, and PlainLock every 5 days. Most recently, KOKIBOARD was updated on October 25, 2026 and PlainLock on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*