# 짐박스 vs Fönster

The clearest difference is in-app purchases: 짐박스 at none against Fönster's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Fönster sells 2 in-app purchases, starting at $7.99 per month. 짐박스 asks for nothing beyond the download.

짐박스 ships an update every 5 days, Fönster weekly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 짐박스 | Fönster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (25 ratings)](https://appshunter.io/ios/app/id1603180638/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 83.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free | — |
| Size | 250 MB | 67 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SUPPLIES Inc.](https://appshunter.io/developer/1546185716) | [Next Epic Co., Ltd.](https://appshunter.io/developer/1775612906) |

## What reviewers say

### 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


### Fönster

[App page](https://appshunter.io/ios/app/fonster-wake-window-tracker/id6807051983)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $7.99 | per month |
| One year | $39.99 | per year |


## Frequently asked questions

### Is 짐박스 free?

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

### Is Fönster free?

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

### Do 짐박스 or Fönster have ads?

Neither 짐박스 nor Fönster shows ads.

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

짐박스 ships an update every 5 days, and Fönster weekly. Most recently, 짐박스 was updated on October 27, 2026 and Fönster 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.*