Linebreaker App Extended icon
Linebreaker Hangboard Training icon

Katharina Volker

For climbers and boulderers focused on structured strength and endurance training.

2apps0.0Sports

Snapshot

Who is Katharina Volker?

Providing specialized training tools for climbers and boulderers to structure and track hangboard workouts. Enabling consistent strength and endurance progress through digital planning.

Target audience

ClimbersBoulderers focused on structured strengthEndurance training

Top rival

Fitness Park

Other rivals

Portfolio

Free 1
2
apps
Sports2

Last updated

Linebreaker App Extended

v4.1.3

10mo ago

Maintenance

Publisher DNA

What defines Katharina Volker?

Publisher DNA

Primary focus

Sports · Hangboard training tools

Scale

indie

Target audience

Climbers and boulderers focused on structured strength and endurance training.

Signature Patterns

  • •Focus on niche fitness tools for climbing and bouldering
  • •Hardware-agnostic design supporting multiple industry-standard boards
  • •Monetization split between free utility and paid extended functionality
  • •Primary focus on workout timing, planning, and progress tracking
Maintenance

Portfolio momentum

Released 3 updates across 2 apps in the last 6 months, indicating a maintenance-focused development cycle.

Last release 111d agoActive apps 2

Portfolio

What does Katharina Volker ship?

Apps

2 apps analysed

Linebreaker App Extended icon
Linebreaker App Extended

Plan, execute and share your workouts for your climbing trainingsboard!

0.0

Rivals

Who does Katharina Volker compete with?

The rivals identified

Same space(3)

Fitness Park

known forFitness Park

1 app2.4Sports

This app targets the same physical training audience but focuses on facility management rather than hardware-specific timing.

MB-Apps e.U.

known forMy Dart Training

1 app4.7Sports

This app serves the same niche sports utility space by providing performance tracking for a specific discipline.

RockyClimbingGYM

known forSatellite -Climbing App-

1 app3.4Sports

This app operates in the same climbing domain but focuses on gym-based route tracking rather than solo hangboard training.

The Analyst's Read

The bottom line on Katharina Volker

Bottom line

The publisher maintains a clear, specialized niche in the sports category with a functional, utility-driven product suite. Their strategy of supporting third-party hardware ensures relevance across the broader climbing community.

Frequently asked questions

How many apps does Katharina Volker publish?
Katharina Volker has 2 apps tracked by Marlvel, primarily in the Sports category.
What kind of apps does Katharina Volker make?
Katharina Volker's portfolio is concentrated in Sports, with an average rating of 0.0/5 across rated apps.
What is Katharina Volker's top app?
By review volume across the portfolio, Linebreaker App Extended is Katharina Volker's best-known app tracked by Marlvel.

What fed this analysis

Apps analyzed:
2
With full intel:
0
With overview:
2
Website scraped:
yes
Social presence:
yes

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 Katharina Volker, 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. “Katharina Volker intelligence.” Updated 2026-05-08. https://marlvel.ai/publishers/katharina-volker

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Data licensed under CC-BY-NC 4.0