Thread Calculator is a specialized reference tool for machinists and engineers to calculate thread and bolt dimensions on iOS and Android.
Product velocity
Dormant
Daily rank 🇺🇸
—
Productivity
Sentiment
4.2
2k reviews
Nemesis
Fragmented field
The App DNA
What makes this app unique?
The tool removes the time-consuming friction of searching through static reference tables for precise internal and external thread measures.
For Machinists, engineers, and metalworkers requiring precise thread and bolt dimensions for manufacturing or repair.
What does it look like?
Key features
Calculates tap hole and bolt dimensions for 20 thread types including M, MF, UNC, and NPT.
Provides specific measurements for cold forming processes, strengthening brand authority.
Calculates dimensions required for thread repair tasks, ensuring the app remains a primary reference tool.
How much does it cost?
The app operates as a free utility to support the manufacturer's brand and tool distribution.
Velocity
Dormant developmentperformanceUX improvementsShow more...
Thread Calculator has entered a zombie state, with no updates released in the last 270 days. The last recorded activity was a minor update focused on navigation and performance improvements. Given the lack of development activity over the past nine months, there is no evidence of ongoing maintenance or feature expansion.
Who built it?
GSR Gustav Stursberg
2 apps tracked · Productivity
Thread calculatorUser Sentiment
What do users think recently?
The recent review mood reads thrilled. Users appreciate the straightforward and informative interface provides essential data for machinists without unnecessary or distracting features and the latest update improves navigation and performance, making the app feel cleaner and more intuitive, but report the lack of imperial measurement options for hole making limits the utility for users outside metric-only regions.
How are ratings & reviews evolving?
What users say, by theme
- The straightforward and informative interface provides essential data for machinists without unnecessary or distracting features
- The latest update improves navigation and performance, making the app feel cleaner and more intuitive
- The app serves as a valuable reference tool for new machinists learning trade calculations and drill sizes
- The lack of imperial measurement options for hole making limits the utility for users outside metric-only regions
51 of 51 recent reviews analyzed · high confidence · Thrilled overall
Read the full review analysisUnlock 1 more frustration theme and 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Thread Calculator
How's the Productivity market?
Thread Calculator occupies a narrow niche in the Productivity category, relying on its manufacturer pedigree to maintain a 4.3-star rating across platforms. The lack of updates for 268 days signals a static position that risks losing relevance to more frequently updated engineering utilities.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Thread Calculator
Where is it heading?
The engineering utility market is consolidating around tools that provide both metric and imperial support, leaving Thread Calculator exposed in non-metric regions. Resuming development to address these gaps is necessary to prevent churn to more comprehensive competitors.
- The nine-month update silence suggests the app is in maintenance mode, which limits its ability to respond to user requests for imperial support.
- High user trust in the manufacturer pedigree keeps the rating stable, providing a solid foundation for future feature expansion if development resumes.
The SWOT
- 130-year manufacturer pedigree provides high trust for technical data.
- Focused utility design eliminates cognitive load for professional machinists.
- Broad thread-type coverage serves as a primary reference tool.
- Integrate imperial measurement support to capture the US and UK machining segments.
- Add a material-specific drill-speed calculator to move beyond static table data.
Next best moves
Ship imperial measurement support because user reviews flag its absence as a primary utility barrier → increase user retention in non-metric regions.
+ 1 more prioritized moveThe counter-intuitive read
The app's lack of updates is not a failure but a feature…
Read the full takeSince the last report: The app's competitive posture has shifted from a static brand utility to a vulnerable asset facing pressure from more frequently updated engineering tools. While the product remains unchanged, the strategic outlook now prioritizes imperial measurement integration and data accuracy audits to prevent user churn.
Bottom line
Thread Calculator serves as a stable brand utility, but the nine-month update silence risks obsolescence against more dynamic rivals. Integrating imperial measurements would unlock the US and UK markets, shifting the app from a static reference to an essential daily tool.
Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Thread Calculator suitable for professional machinists?
Does Thread Calculator support imperial measurements?
Is Thread Calculator free to use?
Sources
- [1] Play Store Listing, source
Report last updated