Harry's Camper icon
Harry's Dyno icon
Harry's GPS/OBD Buddy icon
+5

Harald Schlangmann

For automotive enthusiasts and track-day drivers seeking technical performance analysis, sensor integration, and video overlays.

8apps3.4(268) Multi-theme

Snapshot

Who is Harald Schlangmann?

Providing automotive enthusiasts with professional-grade lap timing and performance data logging tools to optimize track day performance.

Target audience

Automotive enthusiastsTrack-day drivers seeking technical performance analysisSensor integration

Rivals analysis in progress

Portfolio

Free 1
8
apps
Sports5
Deportes1
Travel1
旅遊1

Last updated

Harry's LapTimer Petrolhead

v25.0.1

1.3y ago

Maintenance

Publisher DNA

What defines Harald Schlangmann?

Publisher DNA

Primary focus

Automotive performance telemetry and data logging

Scale

indie

Target audience

Automotive enthusiasts and track-day drivers seeking technical performance analysis, sensor integration, and video overlays.

Signature Patterns

  • Tiered product strategy (Rookie, Petrolhead, Grand Prix) targeting different user expertise levels
  • Exclusively paid monetization model across the entire portfolio
  • Heavy reliance on hardware integration, including device sensors, external GPS, and OBD data
  • Specialized focus on the automotive sports niche with no category diversification
Maintenance

Portfolio momentum

The portfolio is currently in a maintenance phase with zero new releases in the last six months across its three active titles.

Active apps 3

Portfolio

What does Harald Schlangmann ship?

Apps

8 apps analysed

Distributed across 2 markets, strongest in Americas.

Based on 4 of 8 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States4 / 4

Europe (1)

  • Germany3 / 4

Core markets (4/4 apps)

United States

The Analyst's Read

The bottom line on Harald Schlangmann

Bottom line

Harald Schlangmann is a highly specialized indie publisher that successfully monetizes technical utility through a premium paid model. Their positioning as a hardware-agnostic alternative to dedicated racing telemetry systems provides a sustainable niche within the sports category.

Frequently asked questions

How many apps does Harald Schlangmann publish?
Harald Schlangmann has 8 apps tracked by Marlvel, primarily in the Sports category.
What kind of apps does Harald Schlangmann make?
Harald Schlangmann's portfolio is concentrated in Sports and Deportes, with an average rating of 3.4/5 across rated apps.
What is Harald Schlangmann's top app?
By review volume across the portfolio, Harry's LapTimer Petrolhead is Harald Schlangmann's best-known app tracked by Marlvel.
In how many countries are Harald Schlangmann's apps available?
Marlvel has tracked Harald Schlangmann's apps across 2 countries.

What fed this analysis

Apps analyzed:
3
With full intel:
0
With overview:
3
Website scraped:
no
Social presence:
no

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 Harald Schlangmann, 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. “Harald Schlangmann intelligence.” Updated 2026-04-24. https://marlvel.ai/publishers/harald-schlangmann

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Data licensed under CC-BY-NC 4.0