# BrainLag vs 오목왕

The clearest difference is in-app purchases: 오목왕 at none against BrainLag's 1. 오목왕 also leads on update cadence (every 2 days vs every 2 months). BrainLag's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. BrainLag sells 1 one-off in-app purchase. 오목왕 asks for nothing beyond the download.

BrainLag ships an update every 2 months, 오목왕 every 2 days. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | BrainLag | 오목왕 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/id6776993994/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 49 MB | 35 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OrbitLabs](https://appshunter.io/developer/1884053453) | [Yousung Won](https://appshunter.io/developer/1734026650) |

## What reviewers say

### BrainLag

[App page](https://appshunter.io/ios/app/brainlag-brain-training/id6760956148)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### 오목왕

[App page](https://appshunter.io/ios/app/id6776993994)

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

**In-app purchases:** none


## Frequently asked questions

### Is BrainLag free?

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

### Is 오목왕 free?

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

### Do BrainLag or 오목왕 have ads?

Both BrainLag and 오목왕 show ads.

### Which is updated more often, BrainLag or 오목왕?

BrainLag ships an update every 2 months, and 오목왕 every 2 days. Most recently, BrainLag was updated on October 8, 2026 and 오목왕 on October 16, 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.*