Roof Guide - Carpentry Calc
Roof Guide is a specialized construction calculator for roof framing, stair design, and material estimation on iOS.
The App DNA
What makes this app unique?
It replaces manual rafter tables and physical reference books, removing the cognitive load and time cost of complex geometry for construction professionals.
For Professional roof framing carpenters, builders, and contractors who require precise, code-compliant construction calculations.
What does it look like?
Key features
Calculates rafter, hip, and valley lengths with cut angles.
Computes riser and tread dimensions while applying 2R+G/2R+TD standards.
Estimates quantities and costs for decking, stud walls, and concrete.
How much does it cost?
The app is currently offered as a free utility with no visible subscription or IAP gates, serving as a brand extension for the developer's building firm.
Velocity
Dormant developmentopaqueShow more...
Roof Guide - Carpentry Calc has been inactive for 243 days, falling well outside the threshold for active development. The last recorded update was a minor bug fix, and no new features or events have been introduced since. Given the lack of activity over the past eight months, the app is currently in a zombie state.
Who built it?
Infoguide Pty
3 apps tracked · Utilities
StairCalc: Stair Builder Calc
RoofCalc - Roofing CalculatorUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Roof Guide - Carpentry Calc
How's the Utilities market?
Roof Guide occupies a niche utility space with a 4.06-star rating across 16 reviews. The lack of updates for 243 days signals a maintenance-only posture that limits its ability to compete with more active utility apps.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Roof Guide - Carpentry Calc
Where is it heading?
The construction utility market is consolidating around apps that offer frequent updates and cloud-based project management. Roof Guide's current trajectory is declining due to its lack of active development, which will eventually force professional users to migrate to more reliable, updated alternatives.
- The 243-day update gap suggests the app is in maintenance mode, which will lead to user churn as competitors release modern, feature-rich updates.
- The free-only pricing model limits the developer's ability to allocate resources for feature expansion, keeping the app stagnant in a competitive utility market.
The SWOT
- Stair-framing module applies 2R+G/2R+TD standards
- Specialized geometry logic for roof framing
- Integrating cloud-sync for saved calculations
- Adding premium IAP for advanced material reporting
Next best moves
Audit the current codebase for iOS compatibility because the 8-month update gap risks abandonment by the App Store review process → maintain baseline availability
+ 1 more prioritized moveThe counter-intuitive read
The lack of a subscription model is not…
Read the full takeSince the last report: The outlook for Roof Guide has shifted from stable to declining, driven by a critical re-evaluation of its free-only pricing model as a barrier to necessary product evolution.
Bottom line
Roof Guide provides high-utility framing calculations, but its current maintenance-only state limits its competitive longevity. Shifting to a sustainable revenue model would unlock the capital needed to modernize the interface and defend the professional user base against more active rivals.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Roof Guide suitable for professional construction work?
Does Roof Guide require a subscription?
What is the main difference between Roof Guide and other calculators?
Sources
- [1] App Store
Report last updated