Bubble Level - Spirit Level is an iOS utility that uses the device accelerometer to measure surface inclination and angles.
The App DNA
What makes this app unique?
The app serves users needing quick surface alignment, but the current ad-heavy model forces users to seek alternatives that do not block the primary tool.
For DIY enthusiasts and homeowners requiring basic surface alignment or angle measurement tools.
What does it look like?
Key features
Measures surface inclination using the device accelerometer.
Resets the zero-point reference for the accelerometer via a dedicated button.
Saves the calibrated zero-point state locally to the device.
How much does it cost?
The app is distributed as a free utility with no visible in-app purchases, relying entirely on ad inventory.
Velocity
Dormant developmentopaqueShow more...
Bubble Level - Spirit Level has been inactive for 1,353 days, placing it firmly in the zombie category. There have been no feature updates, bug fixes, or maintenance patches in over three years. The development momentum is non-existent, as the app has not received any updates since the release of the latest version in late 2022.
Who built it?
Netviking AB
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Heart Rate Monitor: HR AppUser Sentiment
What do users think recently?
Review voice lately leans frustrated. Users appreciate the core spirit level functionality provides accurate measurements for household projects and construction tasks.
How are ratings & reviews evolving?
What users say, by theme
- The core spirit level functionality provides accurate measurements for household projects and construction tasks
- Aggressive full-screen advertisements and forced game promotions interrupt usage and block access to the level tool
32 of 32 recent reviews analyzed · high confidence · Frustrated overall
Read the full review analysisUnlock 2 more frustration themes and 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Bubble Level - Spirit Level
How's the Utilities market?
Bubble Level - Spirit Level maintains a 4.63 rating across 3,001 total ratings, yet the lack of updates since 2022 signals a stagnant market position [1, 2].
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Bubble Level - Spirit Level
Where is it heading?
The product is in a state of terminal decline due to a lack of updates and a monetization strategy that actively blocks the core value proposition. Without a pivot to a less intrusive model or a technical audit of the reported privacy issues, the app will continue to lose its remaining user base.
- Aggressive ad-interruption prevents tool usage, which drives negative sentiment and high churn among the current user base.
- Reports of unauthorized camera flash activity create a privacy-risk narrative that could trigger store-level enforcement actions.
The SWOT
- One-touch calibration saves zero-point locally
- Pro tier could remove ad-blocker churn
Next best moves
Audit camera flash usage because reviewers describe unexpected activation → restore user trust
+ 1 more prioritized moveThe counter-intuitive read
The high rating is a legacy artifact of the app's age…
Read the full takeSince the last report: The competitive outlook has shifted from stable to declining due to the emergence of privacy-related user complaints and a more aggressive assessment of the app's long-term viability.
Bottom line
The current ad-heavy model destroys the utility of the tool, and the lack of updates suggests a product in decline. Addressing the reported privacy risks is the only way to prevent potential store removal.
Unlock 3 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Bubble Level - Spirit Level safe to use?
Does Bubble Level - Spirit Level have intrusive ads?
Is Bubble Level - Spirit Level accurate for construction?
Sources
- [1] App Store, source
Report last updated