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Bo Kalvslund

For diverse user base ranging from fitness enthusiasts and meditation practitioners to students and Danish travelers seeking localized navigation.

93apps1.3(36.8K) Multi-theme

Snapshot

Who is Bo Kalvslund?

Developing specialized wellness utilities and localized navigation tools for niche audiences seeking functional, design-led mobile experiences.

Target audience

Diverse user base ranging from fitness enthusiastsMeditation practitioners to studentsDanish travelers seeking localized navigation

Active nemesis

Enjoy Life Studio

Other rivals

Portfolio

Free 37
93
apps
Health & Fitness17
Entertainment12
Education11
Games11

Last updated

Kettlebell exercises for men

v1.8.0

2.8y ago

Active

Publisher DNA

What defines Bo Kalvslund?

Publisher DNA

Primary focus

Multi-niche utility and wellness apps

Scale

scale-up

Target audience

Diverse user base ranging from fitness enthusiasts and meditation practitioners to students and Danish travelers seeking localized navigation.

Origin

Founded by Bo Kalvslund, a developer and designer with extensive experience in 2D/3D animation and interactive children's books.

Signature Patterns

  • •Heavy reliance on audio-centric wellness tools featuring Tibetan bowls and meditation timers.
  • •Frequent implementation of Augmented Reality (AR) for educational and art-related experiences.
  • •Localized focus on Danish geography, including hiking, biking, and cultural navigation.
  • •Monetization primarily through free-to-access models with targeted freemium upgrades.
  • •High-frequency release cadence targeting specific utility niches rather than broad social platforms.
Active

Portfolio momentum

Released 60 updates or new titles in the last 6 months with 62.8% of the portfolio currently active, indicating a high-frequency development cycle.

Last release 2d agoActive apps 49Abandoned 22

Company profile

medium confidence
Headquarters
Holstebro, Denmark
Employees
1-10

Portfolio

What does Bo Kalvslund ship?

Single-market publisher, every app ships only to United States.

Based on 6 of 93 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States6 / 6

Core markets (6/6 apps)

United States

User Sentiment

How do users feel about their apps?

1

Positive apps

0

Neutral / mixed

0

Negative apps

90/100

Avg sentiment score

Rivals

Who does Bo Kalvslund compete with?

The rivals identified

Nemeses(4)

Enjoy Life Studio

known forLocal Weather:Weather Forecast

1 app4.8Weather

Both applications target users seeking local meteorological data and atmospheric metrics, with both providing free access to weather conditions.

Ride with GPS

known forRide with GPS: Bike Navigation

1 app4.7Health & Fitness

Both apps target cyclists requiring route navigation, but Ride with GPS competes by offering high-precision performance tools and hardware integration that contrast with the regional, public-data focus of Cykelruter i Danmark.

vu tinh

known forTest zur grammatik A1-A2-B1-B2

1 app5.0Education

Both apps target students preparing for specific language exams, creating a direct overlap in the exam-preparation utility space despite the difference in target language.

Wesley Vance

known forExploreHere - Roadtrip Guide

1 app4.7Travel

Both apps target history enthusiasts seeking location-aware cultural context, with ExploreHere providing a broader geographic scope while Danish Cultural Heritage focuses on official Danish data.

Contenders(20)

Both apps target users seeking localized weather data, with the rival capturing a larger audience through persistent home screen widgets and radar maps.

Anders Peter Amsnaes

known forCopenhagen Visually, Guide

2 apps5.0Travel

Both apps target tourists in Denmark with map-based navigation and offline capabilities, creating direct competition for users seeking cultural sightseeing tools.

APPVERSE

known forRoom Temperature Thermometer

1 app4.5Weather

Both apps target users seeking local temperature and atmospheric monitoring, competing for the same utility-focused audience on a free pricing model.

ayoub bouya

known forDeutsch Grammatik Prüfung

1 app0.0Education

Both apps target students preparing for standardized language exams, creating direct competition for users seeking structured grammar and syntax practice.

Deep Orbit

known forTiempo, Radar Lluvia y Alertas

1 app4.7Weather

Both apps target users seeking free, localized weather information, creating direct competition for the same utility-focused audience.

Grégory Alary

known forEnglish Heritage Map

2 apps4.7Travel

Both apps provide location-based historical site discovery using national databases, targeting tourists and history enthusiasts interested in cultural landmarks.

Guoli Jian

known forDenmark Travel

1 app0.0Travel

Both applications target tourists in Denmark by providing offline-capable mapping and attraction discovery tools. They compete directly for users seeking navigation and site information while traveling.

Kasper Mejlgaard

known forDanish Museums – Museum Guide

1 app0.0Travel

Both apps target tourists exploring Danish cultural sites, with Danish Cultural Heritage providing historical context and mapping while Danish Museums focuses on museum checklists and visit tracking.

Kristoffer Eriksson

known forNordic Historical Sites

1 app0.0Travel

Both apps target history-focused travelers with offline mapping and route planning features, creating direct competition for users exploring Scandinavian landmarks.

Maria Monti

known forCopenhagen Travel Guide

1 app4.7Travel

Both apps target tourists in Denmark with offline-first navigation, creating direct competition for users seeking location-based guidance during travel.

Michael Andries

known forHistorical Marker Ahead!

1 app5.0Travel

Both apps target history enthusiasts exploring landmarks, but Historical Marker Ahead! captures the road-trip segment via hands-free audio, while Danish Cultural Heritage focuses on manual route planning.

OFFLINE MAP TRIP GUIDE

known forCopenhagen Offline Map and Travel Trip Guide

2 apps1.0Travel

This app provides the navigation layer that a cultural heritage guide requires, focusing on offline city-wide utility.

PJW FAMILY PROPERTY LLP

known forWeather Trip

1 app4.3Weather

Both apps target users seeking local weather data via free, ad-supported models, with Weather Trip offering a broader set of atmospheric metrics and proactive alerts.

ProductShake

known forDenmark Travel Guide & Map

1 app0.0Travel

Both applications target tourists in Denmark with interactive maps and location-based discovery, creating direct competition for the same travel-planning user segment.

RODRIGUEZCASTILLO FABIOLA

known forWeather Forecast - Live Alerts

2 apps4.2Weather

Both applications target users seeking free, localized meteorological data and atmospheric conditions. They compete directly for the same audience looking for basic weather utility tools.

Vitality App Studios

known forLocal Weather Forecast - Radar

2 apps4.8Weather

This app provides extended 45-day forecasts and minute-by-minute rainfall tracking, exceeding the basic metrics found in the source app.

Weather 365 Days

known forWeather Forecast & Live Radar

1 app4.7Weather

Both apps target users seeking free local weather data, creating direct competition for the same utility-focused audience.

Weather Forecast & Widget & Radar

known forWeather Radar, Live Radar

1 app4.6Weather

Both apps target users seeking free local weather data, creating direct competition for the same utility-focused audience.

WetterOnline

known forWeather & Radar Forecast

1 app4.8Weather

Both apps provide local weather monitoring, but the rival targets commuters and outdoor enthusiasts through interactive radar and severe weather alerts.

Yevhenii Semeniuk

known forDansk Assistent: Learn Danish

1 app0.0Education

Both apps target users learning the Danish language, creating a functional overlap for students seeking supplemental practice. They diverge in scope, as one focuses on specific high school exam curriculum while the other targets general language acquisition.

Same space(38)

5660 BA

known forGreat Weather

1 app3.9Weather

It targets users seeking lifestyle-oriented weather data like UV and humidity indices to inform daily planning.

AllTrails

known forAllTrails: Hike, Bike & Run

1 app4.9Health & Fitness

AllTrails serves the same outdoor navigation audience but utilizes a massive, community-sourced database of 500,000 plus trails to drive user acquisition.

Aviationexam s.r.o.

known forAviation Exam - EASA

1 app3.7Education

Aviation Exam functions as a specialized, high-stakes testing environment that shares the exam-preparation focus of Almen Sprogforståelse but targets a professional pilot demographic.

DailyBetter Labs

known forWeather Live - Forecast&Alert

1 app3.9Weather

The app positions itself as a daily planning tool by providing quick-glance access to essential weather metrics for commuters.

digiSchool

known forOrthographe : cours et quiz

1 app4.5Education

Orthographe provides expert-validated French language training, serving as a direct linguistic peer for users who need structured grammar and orthography practice.

FB PUBLISHING

known forDanish Phrasebook

1 app4.0Travel

This app serves the same traveler demographic as the source, providing essential linguistic utility to complement cultural exploration.

Fillog Studio

known forWeather Forecast, Live Radar

1 app4.5Weather

This app focuses on specialized storm tracking and hurricane monitoring for users requiring more than standard temperature data.

Flashka

known forFlashka - AI Flashcards & Quiz

1 app4.8Education

Flashka offers an AI-powered flashcard generation tool that serves as a general study aid for students who need to convert lecture notes into interactive content.

HealthTracker Apps

known forWeather Live - Radar & Alerts

1 app4.3Weather

It expands beyond standard weather by incorporating geological disaster warnings and specialized health-related data.

Jan Brelje

known forDer Die Das - Word Quiz

1 app2.0Education

Der Die Das focuses on German article mastery, serving as a narrow, drill-based tool for students struggling with specific grammatical components.

Jorge Lucioni Charalla

known forDer kleine Prinz Hörbuch

1 app0.0Book

This app shares the same one-time purchase model for digital storytelling but focuses on a single classic title.

komoot

known forkomoot - hike, bike & run

1 app3.8Health & Fitness

Komoot competes for the same cycling user base by offering hardware-integrated navigation that syncs directly with devices like Garmin.

KOMPASS Karten

known forKOMPASS Outdoor & Hiking Maps

1 app4.3Health & Fitness

KOMPASS targets the same outdoor enthusiast segment by providing professional-grade, editorially reviewed maps for off-road navigation.

Kremital

known forNibble: Your Bite of Knowledge

1 app4.5Education

Nibble offers interactive lessons for micro-learning, serving as a casual supplement for students who want to acquire skills in short, 10-minute sessions.

Life Assistant Studio

known forLocal Weather Forecast& Widget

1 app4.5Weather

This app provides detailed visual analytics like temperature curves and probability graphs for users needing granular atmospheric trends.

Lisa Gram Forsberg

known forHygge Stories: Kids Storybooks

1 app4.1Book

Hygge Stories targets the same parent-child reading segment but emphasizes interactive choice-based storytelling over static narration.

Lite Tools Games

known forWeather Forecast & Radar

1 app4.4Weather

The app combines standard weather metrics with customizable widget and clock interfaces for personalized home screen utility.

Lylli Books AB

known forLylli: Kids Books & Audiobooks

1 app4.1Book

Lylli competes for the same screen time by offering a broader library of audiobooks and read-aloud stories for children aged 2-9.

Microsoft

known forMSN Weather - Forecast & Maps

1 app4.1Weather

The app uses a large-scale platform to offer cross-device synchronization, appealing to users managing weather across multiple global locations.

Milica Vuksanovic

known forEnglish Grammar Quiz – Free Test of Your Knowledge

1 app4.2Education

This app provides a gamified quiz experience for English grammar, acting as a casual, high-frequency testing tool for learners.

Monkey Taps

known forVocabulary - Learn words daily

1 app4.8Education

Vocabulary serves as a general-purpose lexicon builder that complements the specific grammatical focus of Almen Sprogforståelse by offering daily bite-sized word practice.

Muheb Bangash

known forLocal Weather: Forecast&Alerts

1 app4.4Weather

It focuses on high-frequency updates and minute-by-minute condition tracking for users requiring immediate local data.

Nguyen Thi Thanh Huyen

known forEnglish Grammar Quiz and Learn

1 app4.7Education

English Grammar Quiz serves as a static reference library for grammar exercises, offering a workbook-style experience that contrasts with the active, gamified nature of Almen Sprogforståelse.

NOERDEN

known forGenK: World General Knowledge

2 apps4.6Education

GenK provides a micro-learning path for general knowledge, acting as a casual alternative for users who want to supplement academic study with short, daily lessons.

Phuong Linh Pham

known forViobean - German Exam Prep

1 app5.0Education

Viobean provides AI-powered exam preparation for German certification, mirroring the specialized exam-focus of Almen Sprogforståelse but for a different language curriculum.

Robert Bosch

known foreBike Flow

1 app4.7Health & Fitness

Users report: eBike Flow acts as a hardware-specific management utility that pairs with Bosch smart systems to provide theft protection and display customization.

RYAN CONRAD

known forHappened Here: History Map

1 app5.0Travel

This app competes for the same user attention by gamifying the discovery of historical locations through map-based tracking.

Save All

known forGizmo: AI Tutor

1 app4.8Education

Gizmo provides an AI-driven workflow for digitizing study materials, acting as a technical alternative for students who prefer automated flashcard generation over manual grammar drills.

SchoolMouv

known forSchoolMouv - AI Tutor & Quiz

2 apps4.5Education

SchoolMouv provides a curriculum-aligned AI tutor that serves as a broader academic support tool for students seeking to automate revision across multiple subjects.

Seneca Learning

known forSeneca - AP & Test Prep

1 app3.9Education

Seneca Learning utilizes adaptive algorithms for exam preparation, offering a more automated, science-backed approach to revision than the manual drills in Almen Sprogforståelse.

Simon Hengeveld

known forUNESCO World Heritage Collect

1 app5.0Travel

This app targets the same history-focused audience by providing a structured way to track and discover cultural landmarks.

tableaux

known forBo de Beer neemt afscheid

1 app0.0Book

Bo de Beer targets the same parent-child reading segment but focuses on the specific niche of grief education.

Ten Stars Lab

known forLive Weather Forecast

1 app4.6Weather

It provides specialized indices for outdoor sports and air quality, catering to active users who need more than basic temperature readings.

VerbTrainers

known forHistoric Sites: England

1 app0.0Travel

This app mirrors the source's core functionality by mapping a national registry of historic sites for travelers.

Weather Forecast - WaiWao Studio

known forLive Weather: Weather Forecast

1 app4.7Weather

This app offers professional-grade meteorological data including natural disaster alerts, targeting users who prioritize safety and precision.

ZANKHANA PTE

known forWeather Forecast - Local Radar

1 app4.7Weather

It offers a broader set of atmospheric data points like UV index and air quality compared to the source app.

Zyberchief

known forTræklatrings app - KlatreQuiz

1 appEducation

Klatre Quiz provides theory-based testing for specialized technical skills, serving as a niche exam-prep tool that mirrors the structured practice model of Almen Sprogforståelse.

海燕 胡

known forAudiobooks:children's favorite fairy tales 1

5 apps5.0Book

This collection of fairy tales competes for the same audience segment by providing audio-visual story experiences.

New entrants(3)

Chavazoem Potenutme

known forLive Weather: Forecast & Radar

1 app0.0Weather

It targets users needing visual weather trends through radar maps and detailed hourly precipitation tracking.

INSTITUT ZA MEGJUNARODNA OBUKA DOOEL

known forDeutsch Lernen Quiz

1 app0.0Education

Deutsch Lernen Quiz offers specialized certification exam modules, serving as a high-intent alternative for learners who need structured preparation for official German language tests.

Online tech 4

known forWeather Whisper

1 app0.0Weather

This app offers a focused set of 24-hour weather data for users who need quick, essential information for daily activity scheduling.

The Analyst's Read

The bottom line on Bo Kalvslund

Bottom line

Bo Kalvslund is a prolific studio that successfully captures niche utility and wellness markets through specialized, design-focused content. Their ability to maintain high ratings across diverse categories like fitness and education demonstrates a strong grasp of user-centric design and technical implementation.

Frequently asked questions

How many apps does Bo Kalvslund publish?
Bo Kalvslund has 93 apps tracked by Marlvel, primarily in the Health & Fitness category.
Where is Bo Kalvslund based?
Bo Kalvslund is based in Holstebro, Denmark.
What kind of apps does Bo Kalvslund make?
Bo Kalvslund's portfolio is concentrated in Health & Fitness and Entertainment, with an average rating of 1.3/5 across rated apps.
What is Bo Kalvslund's top app?
By review volume across the portfolio, Kettlebell exercises for men is Bo Kalvslund's best-known app tracked by Marlvel.
In how many countries are Bo Kalvslund's apps available?
Marlvel has tracked Bo Kalvslund's apps across 1 country.

What fed this analysis

Apps analyzed:
78
With full intel:
0
With overview:
78
Website scraped:
yes
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 Bo Kalvslund, 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. “Bo Kalvslund intelligence.” Updated 2026-04-24. https://marlvel.ai/publishers/bo-kalvslund

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Data licensed under CC-BY-NC 4.0