Right Angle is a geometry calculator for construction professionals, structured around specialized shapes and unit formats on iOS.
The App DNA
What makes this app unique?
The tool removes the cognitive load of manual geometric conversions for builders who need to solve triangles and circles on the job site.
For Carpenters, builders, surveyors, machinists, and engineers.
What does it look like?
Key features
Calculates missing sides, angles, perimeter, and area for triangles, trapezoids, and circles.
Provides dedicated keys for construction-specific symbols like feet, inches, and fraction slashes.
Supports decimal, feet/inches/fractions, and degrees/minutes/seconds with user-selectable precision.
How much does it cost?
The freemium model gates advanced geometric shapes behind a Pro tier, targeting professional users who require more than basic right-angle calculations.
Velocity
Maintenance developmentperformanceopaqueShow more...
Right Angle currently operates on a maintenance cadence, with only one release shipped in the last 52 days. The development trend is stable but limited to minor technical adjustments, as the latest release notes provide no indication of new features or content. The publisher maintains a low-frequency update schedule focused exclusively on stability and performance. There is no evidence of live operations or recurring content cycles.
Who built it?
User Sentiment
What do users think recently?
Review voice lately leans excited. Users appreciate right angle calculation tools provide significant time savings for professional builders and metal fabricators daily and clean and straightforward interface design allows users to perform complex geometric calculations without unnecessary fluff.
How are ratings & reviews evolving?
What users say, by theme
- Right angle calculation tools provide significant time savings for professional builders and metal fabricators daily
- Clean and straightforward interface design allows users to perform complex geometric calculations without unnecessary fluff
- Responsive developer support provides quick fixes and direct communication when users encounter specific technical issues
- Removal of fractional measurement support in the latest update forces users to manually convert decimals constantly
43 of 43 recent reviews analyzed · high confidence · Excited 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 Right Angle
How's the Productivity market?
Right Angle occupies a niche in the Productivity category, serving trade professionals with specialized input formats. The 3.93-star rating reflects a high-utility tool currently hampered by recent regressions in measurement precision.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Right Angle
Where is it heading?
The outlook for Right Angle is declining due to recent regressions that alienate the core professional audience. Unless the developer restores fractional measurement support and fixes purchase restoration, the app risks losing its position as a reliable shop-floor utility.
- Removal of fractional measurement support disrupts professional workflows, which compounds the rating drag already visible post-update.
- Purchase restoration failures prevent long-term users from accessing paid features, directly eroding the Pro tier value proposition.
The SWOT
- Custom on-screen keyboard with construction-specific symbols
- Specialized geometric solver for trade professionals
- Restore fractional measurement support to reduce churn
Next best moves
Restore fractional measurement support because it is the top-requested feature and its removal is the primary driver of negative sentiment → reduce churn
+ 1 more prioritized moveThe counter-intuitive read
The maintenance-only release cadence is a greater threat than feature parity…
Read the full takeSince the last report: Right Angle remains in a maintenance-only state with no new feature releases. The primary shift involves a more focused articulation of the existing technical regressions and their impact on professional user churn.
Bottom line
Restoring fractional measurement support would address the primary friction point currently driving negative sentiment. Prioritizing this utility over new feature development is necessary to stabilize the professional user base and protect the Pro tier revenue stream.
Unlock 3 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Right Angle suitable for professional construction work?
Does Right Angle support feet and inches?
What should I do if I cannot access my Pro purchase?
Sources
- [1] App Store, source
Report last updated