# Underground vs Machomindz

The clearest difference is in-app purchases: Underground at none against Machomindz's 1. Underground also leads on iOS requirement (16.6 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Machomindz sells 1 in-app purchase, starting at $3.99 per month. Underground asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 14, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Underground | Machomindz |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 101 MB | 8 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Perfect Gym Solutions Sp. z o.o.](https://appshunter.io/developer/1004382730) | [Machomindz Limited](https://appshunter.io/developer/1881024136) |

## What reviewers say

### 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


### Machomindz

[App page](https://appshunter.io/ios/app/machomindz/id6762048872)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Macho premium | $3.99 | per month |


## Frequently asked questions

### Is Underground free?

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

### Is Machomindz free?

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

### Do Underground or Machomindz have ads?

Neither Underground nor Machomindz shows ads.

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

Underground ships an update every 2 months, and Machomindz every 2 months. Most recently, Underground was updated on August 14, 2026 and Machomindz on September 15, 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.*