# BRAIN RESEARCH vs 구스트

The clearest difference is update cadence: 구스트 at every 3 weeks against BRAIN RESEARCH's every 4 months. 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.

BRAIN RESEARCH ships an update every 4 months, 구스트 every 3 weeks. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | BRAIN RESEARCH | 구스트 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 45 MB | 18 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [한양대의료원](https://appshunter.io/developer/513163094) | [CodeGuts Co., Ltd](https://appshunter.io/developer/1627967333) |

## What reviewers say

### BRAIN RESEARCH

[App page](https://appshunter.io/ios/app/brain-research/id1515858944)

**Features:** macOS Compatibility

**In-app purchases:** none


### 구스트

[App page](https://appshunter.io/ios/app/goost/id1561098183)

This platform allows users to easily book golf lessons and studio time. View available studios and pros, purchase passes, and manage your schedule all in one place. Track your swing data and share it with instructors for analysis.

**Highlights:** Dashboard for events, studios, and schedules, Studio booking and pass purchase, Pro golfer profiles and lesson booking, TrackMan swing data integration, My Page for purchase and reservation history

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

**In-app purchases:** none


## Frequently asked questions

### Is BRAIN RESEARCH free?

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

### Is 구스트 free?

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

### Do BRAIN RESEARCH or 구스트 have ads?

Neither BRAIN RESEARCH nor 구스트 shows ads.

### Which is updated more often, BRAIN RESEARCH or 구스트?

BRAIN RESEARCH ships an update every 4 months, and 구스트 every 3 weeks. Most recently, BRAIN RESEARCH was updated on October 2, 2026 and 구스트 on October 8, 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.*