Piet Jonas
For professionals, web developers, and international travelers requiring specific technical, financial, or environmental data.
Snapshot
Who is Piet Jonas?
Providing specialized utility tools and calculators for professionals and technical users needing precise, localized data.
Target audience
Portfolio
Free 24Last updated
Altitude App
v1.4.1
2.4y ago
Publisher DNA
What defines Piet Jonas?
Publisher DNA
Primary focus
Utility tools and specialized calculators
Scale
studio
Target audience
Professionals, web developers, and international travelers requiring specific technical, financial, or environmental data.
Signature Patterns
- •Focus on single-purpose utility tools with streamlined, functional interfaces.
- •Heavy reliance on localized data engines including tax jurisdictions and geographic positioning.
- •Hybrid monetization strategy utilizing both free-to-use and paid upfront models.
- •Long-term maintenance of legacy titles, with some active apps dating back to 2008.
Portfolio momentum
Maintained a steady development cadence with 3 updates across the portfolio in the last 6 months, focusing on core utility functionality.
Portfolio
What does Piet Jonas ship?
Apps
103 apps analysed
Creative users enjoy the ability to generate complex 3D shapes like sombreros using the function input
- Mathematical function plotting capabilities provide a useful tool for college students to visualize complex equations
- Aggressive advertising and reliance on external web pages degrade the user experience and waste mobile bandwidth
Analysis in progress
Analysis in progress
Analysis in progress
Distributed across 6 markets, strongest in Europe.
Based on 30 of 103 apps with localized market data, more coverage rolling in as scans complete · last scanned .
Americas (2)
- United States30 / 30
- Mexico8 / 30
Europe (4)
- Germany29 / 30
- France10 / 30
- Spain9 / 30
- Italy6 / 30
Core markets (30/30 apps)
User Sentiment
How do users feel about their apps?
0
Positive apps
2
Neutral / mixed
6
Negative apps
21/100
Avg sentiment score
Unlock the app dragging this portfolio down.
Access the full report for freeRivals
Who does Piet Jonas compete with?
The rivals identified
Nemeses(3)
Both apps target users requiring real-time gravitational and vibration force measurement, competing directly for the same niche scientific utility audience.
Both apps target geography enthusiasts and students with trivia mechanics, but World Quiz captures a larger audience through a free-to-play model and diverse game modes.
Both apps provide location-based humidity tracking, targeting users who monitor local environmental conditions via mobile and Apple Watch.
Contenders(17)
Both apps target users seeking to visualize accelerometer data, competing for the same utility-focused audience on the same platform.
Both apps target geography enthusiasts with trivia, but the rival captures the market via a free pricing model and a significantly larger user base.
Both apps target users measuring physical acceleration forces, with Physics Toolbox Accelerometer offering free access to data export features that Acceleration lacks.
Both applications target geography trivia enthusiasts focused on world capital memorization, creating direct competition for the same user base.
Physics Labs competes with Acceleration by providing overlapping accelerometer measurement features while offering additional sensor data types and export functionality.
G-Force Meter Pro targets the same driving-focused utility audience as Acceleration but expands the feature set to include speed tracking and session recording.
Both apps target the geography trivia market, with Map Quiz World Tour offering a broader range of content including US states and historical sporting event locations.
Both applications occupy the same 1.99 dollar price point in the utility category, forcing users to choose between outdoor weather tracking and indoor health-focused environmental monitoring.
Both apps target geography enthusiasts and students with trivia-based learning, competing for the same user base seeking to memorize world capitals.
Both apps target the geography trivia market, with the rival offering a free alternative to the paid Capital Quiz model.
Both apps target the same geography trivia audience, but Weltgeographie captures users through a free-to-play model and broader content scope.
Both apps target users measuring physical acceleration forces, with Horizontal Accelerometer specifically addressing automotive and engineering use cases.
Both applications target students and geography enthusiasts with trivia-based learning, creating direct competition for the same user base.
Both applications target users seeking location-based humidity tracking, creating direct competition for the same utility-focused audience.
Both apps target geography enthusiasts with trivia content, but the rival captures the casual market through a free, ad-supported model that contrasts with the paid entry barrier of Capital Quiz.
Both applications target users seeking local meteorological data, though they diverge in hardware deployment and scope. They compete for the same audience of weather-conscious users looking for specific environmental monitoring tools.
Both apps target the geography trivia market, with Country Quest offering a free-to-play model that directly challenges the paid entry point of Capital Quiz.
Same space(39)
This app offers a simplified, notification-based utility for rain, competing for the same casual user who wants quick, specific weather answers.
This app offers a comprehensive suite for motion measurement and session management.
This app provides a comprehensive weather report including humidity, positioning itself as a one-stop shop for the same user base.
This app provides industrial-grade vibration monitoring for mechanical and HVAC diagnostics.
This app shifts the focus from raw sensor force to navigation metrics like speed and altitude for drivers.
Rain Alarm focuses on immediate, actionable precipitation alerts, which serves as a more critical utility for the same outdoor-focused audience.
This app replaces standard flashcard formats with a map-based exploration interface, appealing to users who prefer visual learning over the text-based approach of Capital Quiz.
This app focuses on GPS-based distance and speed tracking for vehicle performance tests.
This app serves industrial maintenance by providing spectral diagnostics for rotating machinery.
This app provides a direct alternative for real-time acceleration tracking with added recording capabilities.
Hi Weather provides a global, multi-location tracking experience that offers more breadth than a single-purpose humidity utility.
This app serves as a broad-spectrum weather utility that includes humidity as one of many data points, competing for the same screen real estate as a dedicated humidity tool.
This app provides a multilingual trivia alternative for users seeking broader language support than the English-focused Capital Quiz.
This app targets seismic monitoring using the same accelerometer hardware as the source app.
This app provides a broader 15-day outlook and wind analysis, making it a more comprehensive planning tool than a single-focus humidity app.
This app provides a clean, intuitive interface for general atmospheric details, directly challenging the simplicity of the Humidity App.
This app provides a similar real-time monitoring experience but adds professional-grade storm tracking that broadens its utility beyond basic humidity.
This app provides a multi-metric dashboard for various outdoor activities and travel.
This app provides driving telemetry analysis to help users refine their vehicle handling skills.
This app provides a visual-heavy interface for tracking G-forces during performance testing.
This app offers a more comprehensive dashboard of environmental data, making it a more functional alternative for users needing more than just humidity.
This app competes by offering a built-in barometer and severe weather tracking, providing more hardware-linked data than the source app.
This app targets the power-user segment of the same audience by providing access to professional meteorological models.
This app provides a specialized dashboard for automotive G-force monitoring.
This app is a direct functional substitute that differentiates itself by being ad-free, directly addressing the utility-focused user.
Clime competes by offering high-resolution radar data that provides more actionable safety intelligence than the simple humidity tracking found in the source app.
This app targets the aesthetic-conscious user who wants humidity and weather data presented through a high-fidelity, gamified interface.
This app competes by offering a more robust set of environmental indicators and location management features in a single interface.
This app provides high-frequency motion recording for pilots and athletes.
This app provides a legacy utility for raw motion sensor data collection and export.
This app focuses on automotive performance by calculating G-forces for vehicle maneuvers.
This app provides an offline-first experience that serves users in transit, contrasting with the standard quiz format of Capital Quiz.
This app targets professional researchers by offering high-frequency sampling for motion analysis.
This app provides a specific use-case for humidity data, focusing on home ventilation rather than general outdoor monitoring.
Users report: This app targets a younger demographic with a kid-friendly design, serving as a specialized alternative to the general-purpose Capital Quiz.
This app targets the same hyperlocal interest as Humidity App but leverages a massive network of personal weather stations for higher precision.
Windy.app provides granular meteorological data for niche outdoor activities, offering a more professional alternative for users who find simple humidity tracking insufficient.
This app serves automotive enthusiasts by quantifying performance metrics during cornering and braking.
This app provides motorsports telemetry for analyzing driving techniques on a circuit.
New entrants(3)
This app provides a more robust set of environmental data including pollen and air quality, making it a superior utility for health-conscious users.
This app competes by offering a living, animated interface that provides more visual engagement than the source app's 'steamed up' effect.
This app tracks speed and G-force using Doppler-based GPS and barometric data.
The Analyst's Read
The bottom line on Piet Jonas
Bottom line
Piet Jonas is a disciplined utility publisher that successfully captures niche professional intent through specialized calculation tools. Their portfolio demonstrates strong product-market fit in the Shopping and Reference categories, sustained by a low-churn, utility-first user base.
Frequently asked questions
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What fed this analysis
- Apps analyzed:
- 12
- With full intel:
- 0
- With overview:
- 12
- Website scraped:
- yes
- Social presence:
- no