# OGAWA HK vs BrainLink Tune

The clearest difference is update cadence: OGAWA HK at every 3 weeks against BrainLink Tune's every 2 months. OGAWA HK also leads on iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OGAWA HK ships an update every 3 weeks, BrainLink Tune every 2 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OGAWA HK | BrainLink Tune |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 5 MB | 32 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen Comfort Science & Technology Group](https://appshunter.io/developer/513192015) | [Shenzhen Macrotellect Limited](https://appshunter.io/developer/593369519) |

## What reviewers say

### OGAWA HK

[App page](https://appshunter.io/ios/app/ogawa-hk/id1174221860)

**In-app purchases:** none


### BrainLink Tune

[App page](https://appshunter.io/ios/app/brainlink-tune/id1559860150)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OGAWA HK free?

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

### Is BrainLink Tune free?

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

### Do OGAWA HK or BrainLink Tune have ads?

Neither OGAWA HK nor BrainLink Tune shows ads.

### Which is updated more often, OGAWA HK or BrainLink Tune?

OGAWA HK ships an update every 3 weeks, and BrainLink Tune every 2 months. Most recently, OGAWA HK was updated on October 26, 2026 and BrainLink Tune 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.*