By Bo Kalvslund
Report updated Apr 24, 2026
Spirit Level X
For dIY enthusiasts and users requiring a portable tool for basic surface leveling tasks.
Overview · Full Intel report in progress
Spirit Level X is an established utilities app that is completely free. With a 5.0/5 rating from 1 reviews, it shows polarized user reception.
What is Spirit Level X?
Current Momentum
v1.9 · 13mo ago
ZombieLast updated 402d ago. 5 versions tracked.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
UtilitiesNo ranking data
Rating Pulse 🇺🇸
Gathering signals...
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
Loading...
What Are The Key Features?
Provides sound-based indicators to notify the user when the device is level.
Includes dedicated buttons to calibrate the sensor and a display to track calibration values for future reference.
Allows users to restore the spirit level to its original factory calibration settings.
Provides the ability to enable or disable the leveling sound feedback.
How much does it cost?
Who Built It?
Bo Kalvslund
Developing specialized wellness utilities and localized navigation tools for niche audiences seeking functional, design-led mobile experiences.
Portfolio
13
Apps
Who is Bo Kalvslund?
Bo Kalvslund (operating as AppFar) maintains a high-volume, multi-category portfolio that bridges the gap between specialized fitness utilities and localized Danish navigation tools. Their strategic moat lies in a rapid development cycle that targets specific, underserved niches—such as AR art installations and specialized meditation audio—rather than competing for broad category dominance. The publisher's recent surge in release activity suggests a pivot toward a high-frequency model, testing various utility and educational concepts across the iOS and Android ecosystems.
Who is Bo Kalvslund for?
- Diverse user base ranging from fitness enthusiasts
- Meditation practitioners to students
- Danish travelers seeking localized navigation
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.
What other apps does Bo Kalvslund make?
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
Analysis in progress, available soon
What is the competitive landscape for Spirit Level X?
How's The Utilities Market?
Market outlook for this category
Available very soon
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Spirit Level X
Key Takeaways
While the app offers basic leveling functionality with audio feedback, user feedback suggests the sound-based indicators lack the precision required for fine-tuned adjustments.
Where Is It Heading?
Trend analysis
Available very soon