Spirit Level Plus is a digital spirit level utility for iOS that provides horizontal and vertical alignment readings using device sensors.
The App DNA
What makes this app unique?
The tool removes the need to carry physical spirit levels for quick household tasks, serving users who require immediate, repeatable alignment data.
For DIY enthusiasts, carpenters, and homeowners requiring basic leveling and angle measurement tools.
What does it look like?
Key features
Uses device sensors to indicate horizontal and vertical alignment for carpentry and home decoration tasks.
In-app advertisement for a 7-in-1 utility bundle offered by the same developer.
How much does it cost?
The app operates as a free utility, using the user base to promote a separate paid 7-in-1 tool bundle.
Velocity
Dormant developmentopaqueShow more...
The app has not received a feature update or bug fix in 246 days, indicating a lack of active development. With only one version release in the observed window, the development momentum is effectively non-existent. The project appears to be in a dormant state with no recent activity to suggest ongoing support.
Who built it?
Tue Nguyen Minh
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Best Compass™User Sentiment
What do users think recently?
Fresh user feedback skews frustrated. Users appreciate simple and accurate bubble level functionality provides a reliable tool for quick household leveling tasks and minimalist interface design allows users to obtain level readings quickly without navigating complex menus.
How are ratings & reviews evolving?
What users say, by theme
- Simple and accurate bubble level functionality provides a reliable tool for quick household leveling tasks
- Minimalist interface design allows users to obtain level readings quickly without navigating complex menus
- Reliable performance for niche use cases like leveling RVs or geophones during field work
- Aggressive time-gated paywalls force users to purchase the app within seconds of opening it
49 of 49 recent reviews analyzed · high confidence · Frustrated overall
Read the full review analysisUnlock 2 more frustration themes, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Spirit Level Plus
How's the Productivity market?
Spirit Level Plus maintains a 4.55-star rating across 2,344 total ratings, positioning itself as a legacy utility tool. The lack of updates for 246 days signals a maintenance-only posture in a category where native system tools provide equivalent functionality.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Spirit Level Plus
Where is it heading?
The utility category is consolidating around native system-level tools, which reduces the market for standalone spirit levels. Spirit Level Plus remains stable only as long as the developer maintains the existing user base for iMetalBox cross-promotion, but the current paywall friction limits the growth of that funnel.
- The 8-month update gap signals a maintenance-only posture, leaving the tool vulnerable to native system-level leveling features that improve annually.
- Aggressive paywall gating prevents new users from evaluating the tool, which accelerates churn and limits the reach of the developer's cross-promotion strategy.
The SWOT
- Minimalist interface enables rapid, distraction-free alignment readings
- High-accuracy sensor calibration supports professional field use cases
- Remove immediate paywalls to expand the user base for iMetalBox cross-promotion
Next best moves
Sunset the immediate time-gated paywall because it prevents users from verifying accuracy, leading to negative sentiment and deletion → increase retention.
+ 1 more prioritized moveThe counter-intuitive read
The app's lack of updates is not a failure but a strategic choice…
Read the full takeSince the last report: The app's strategic outlook shifted from declining to stable, as the developer appears to have accepted a maintenance-only posture that prioritizes the app's role as a static cross-promotion funnel over active feature development.
Bottom line
The reliance on aggressive paywalls to drive cross-promotion for iMetalBox creates a friction-heavy experience that ignores the utility's core value. Removing the immediate paywall would allow the tool to serve as a more effective top-of-funnel asset for the developer's broader bundle.
Unlock 3 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Spirit Level Plus free to use?
How does Spirit Level Plus compare to the built-in iPhone level?
Does Spirit Level Plus have intrusive ads or pop-ups?
What is a free alternative to Spirit Level Plus?
Sources
- [1] App Store, source
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