# Underground Gym vs Underground

The clearest difference is update cadence: Underground at every 2 months against Underground Gym's every 7 months. Underground Gym's advantage is iOS requirement (12.0 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Underground Gym ships an update every 7 months, Underground every 2 months. The most recent releases landed on October 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Underground Gym | Underground |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/underground-gym/id1231510779/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 30 MB | 101 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Underground gym](https://appshunter.io/developer/1807369765) | [Perfect Gym Solutions Sp. z o.o.](https://appshunter.io/developer/1004382730) |

## What reviewers say

### Underground Gym

[App page](https://appshunter.io/ios/app/underground-gym/id1231510779)

This app serves as a mobile extension for Underground Gym, providing users with access to gym-related features and information. It allows members to connect with their gym community and manage their fitness journey on the go.

**Highlights:** Mobile gym extension, Community connection, Fitness management, Gym information access

**Features:** macOS Compatibility

**In-app purchases:** none


### Underground

[App page](https://appshunter.io/ios/app/underground-gym/id1633463579)

Easily manage your fitness club experience from your mobile device. Book classes, access your membership details, and enter your club using QR codes. Stay updated with club information and class reminders.

**Highlights:** QR code club entry, Class booking, Membership management, Club information access, Friend invitations, Attendance tracking, Class reminders

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

**In-app purchases:** none


## Frequently asked questions

### Is Underground Gym free?

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

### Is Underground free?

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

### Do Underground Gym or Underground have ads?

Neither Underground Gym nor Underground shows ads.

### Which is updated more often, Underground Gym or Underground?

Underground Gym ships an update every 7 months, and Underground every 2 months. Most recently, Underground Gym was updated on October 2, 2026 and Underground 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.*