# Underground vs Humankind Studios

Underground and Humankind Studios are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Underground ships an update every 2 months, Humankind Studios monthly. The most recent releases landed on October 7, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Underground | Humankind Studios |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 101 MB | 190 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Perfect Gym Solutions Sp. z o.o.](https://appshunter.io/developer/1004382730) | [Humankind Studios Ltd](https://appshunter.io/developer/1611741713) |

## 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


### Humankind Studios

[App page](https://appshunter.io/ios/app/humankind-studios/id6449671670)

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

**In-app purchases:** none


## Frequently asked questions

### Is Underground free?

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

### Is Humankind Studios free?

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

### Do Underground or Humankind Studios have ads?

Neither Underground nor Humankind Studios shows ads.

### Which is updated more often, Underground or Humankind Studios?

Underground ships an update every 2 months, and Humankind Studios monthly. Most recently, Underground was updated on October 7, 2026 and Humankind Studios on September 20, 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.*