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Underground-Gym is a member-utility app for fitness clubs managed by Perfect Gym Solutions, enabling QR-based facility access and class bookings on iOS.

The App DNA

What makes this app unique?

The app removes administrative friction for existing members by replacing physical cards and manual scheduling with a mobile-first interface.

For Current members of fitness clubs managed by Perfect Gym Solutions who require mobile access to booking and facility entry.

What does it look like?

Key features

QR Code Club Accessstandard

Digital entry pass for gym facilities via in-app QR code generation, reducing physical card overhead.

Class Booking Systemstandard

Interface for scheduling and managing fitness class attendance, increasing session frequency.

Social Referraledge

In-app invitation tool for users to invite friends to the club, lowering acquisition costs.

How much does it cost?

freeFree app for existing club members

The app functions as a utility for existing members with no direct in-app purchase or subscription model.

Velocity

Maintenance developmentperformanceopaqueShow more...

Underground-Gym currently operates on a maintenance cadence, with only one release shipped in the last 51 days. The development trend is stable but limited to minor technical adjustments, as the latest release notes provide no indication of new features or content. The publisher maintains a low-frequency update schedule focused exclusively on stability and performance improvements. No significant feature milestones have been identified in the recent history.

See all version history

Who built it?

PERFECT GYM SOLUTIONS SP. Z O. O.

13+ apps tracked · Health & Fitness

West Wood ClubsWest Wood ClubsActivgymsActivgymsPlanet Fitness AUPlanet Fitness AUGym PlusGym PlusCynergiCynergiAura LeisureAura LeisureClub VitaeClub Vitaemy Koremy KoreGym EestiGym EestiActive Club IrelandActive Club IrelandLemon gym LatviaLemon gym LatviaMidlands ParkMidlands Park
Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
0.00 · 0

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Underground-Gym

How's the Health & Fitness market?

Underground-Gym occupies a niche utility role for Perfect Gym Solutions members, with no current chart presence in the broader Health & Fitness category.

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The rivals identified

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The Analyst's Read

Key takeaways for Underground-Gym

Where is it heading?

The fitness utility market is consolidating around platforms that offer cross-club access, which puts single-club apps like Underground-Gym at a disadvantage. Without a shift toward broader ecosystem integration, the app will likely remain a static utility for existing members.

  • The maintenance-only release cadence suggests the app is currently optimized for stability rather than growth or feature expansion.

The SWOT

Core Strengths
  • QR-based entry replaces physical card overhead
  • In-app class booking increases session frequency
  • Social referral tool lowers acquisition costs
Critical Frictions 2 weaknesses inside
Growth Levers
  • Incentive-based referral rewards for members
Market Threats 1 threat identified

Next best moves

1 Invest

Ship referral incentive tracking because current social tools lack conversion visibility -> increase member acquisition

The counter-intuitive read

The app's lack of monetization is a strength: by remaining a pure utility…

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Bottom line

Underground-Gym maintains member retention by digitizing core club interactions, but the lack of feature velocity leaves it vulnerable to broader fitness platforms that offer a more unified booking experience.

Unlock 2 critical frictions, 1 market threat and the analyst’s take.

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Sources

  1. [1] App Store, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Underground-Gym, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Underground-Gym Intelligence Report.” Updated Oct 3, 2026. https://marlvel.ai/apps/underground-gym

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