# LINK_O vs 짐박스

The clearest difference is review sentiment: 짐박스 at 84% against LINK_O's 56%. 짐박스 also leads on monetization model (free vs ad-supported). On price, update cadence, ads and in-app purchases there is nothing between them.

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

LINK_O ships an update every 8 days, 짐박스 every 6 days. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | LINK_O | 짐박스 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (25 ratings)](https://appshunter.io/ios/app/id1603180638/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | 56.0% of reviews | **83.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 6 days** |
| Monetization | Ad-supported | **Free** |
| Size | 67 MB | 250 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HIVIS.inc](https://appshunter.io/developer/1601345844) | [SUPPLIES Inc.](https://appshunter.io/developer/1546185716) |

## What reviewers say

### LINK_O

[App page](https://appshunter.io/ios/app/link-o/id1601345842)

This app simplifies CrossFit box membership registration and class booking. It allows users to manage exercise records, track body composition, and discover local CrossFit events. Stay connected with your fitness community and streamline your gym experience.

**Highlights:** Quick CrossFit box registration, Instant class reservation, Exercise and WOD record management, Body composition tracking, Event discovery and participation

**Features:** macOS Compatibility

**In-app purchases:** none


### 짐박스

[App page](https://appshunter.io/ios/app/id1603180638)

This app offers a flexible subscription membership for gym access, eliminating the need for long-term commitments. Manage your membership digitally, check gym congestion in real-time, and track your workout progress. Participate in challenges to build consistent exercise habits and easily order post-workout supplements.

**Highlights:** Flexible subscription membership, Digital membership management, Real-time gym congestion status, Workout information tracking, Fitness habit challenges, In-app supplement ordering

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LINK_O free?

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

### Is 짐박스 free?

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

### Do LINK_O or 짐박스 have ads?

Neither LINK_O nor 짐박스 shows ads.

### Which is updated more often, LINK_O or 짐박스?

LINK_O ships an update every 8 days, and 짐박스 every 6 days. Most recently, LINK_O was updated on October 20, 2026 and 짐박스 on October 21, 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.*