Fluid Mechanics Calc is a technical utility for engineers and students that provides 130+ fluid mechanics formulae and 360+ calculation methods on iOS and Android.
The App DNA
What makes this app unique?
The tool removes the cognitive friction of manual formula memorization and unit conversion, serving as a persistent technical reference for professional engineering workflows.
For Students, engineers, analysts, and researchers working in automotive, aviation, marine, and petroleum industries.
What does it look like?
Key features
Access to 130+ pre-defined fluid mechanics formulae for engineering calculations. RevenueLink: Brand authority mechanism — reinforces Trelleborg's position as a technical resource for engineers, driving B2B lead generation.
360+ calculation methods allowing users to solve for different variables within a formula. RevenueLink: Utility-driven retention — provides high-frequency value for professional engineers, maintaining brand presence in the user's workflow.
Switch between metric and US unit systems with a predefined library for each. RevenueLink: Reduces friction for global engineering teams — supports B2B adoption across international markets.
How much does it cost?
The app operates as a free utility tool, serving as a brand-building mechanism for Trelleborg Sealing Solutions to engage engineers and analysts.
Velocity
Dormant developmentopaqueShow more...
Fluid Mechanics Calc has been inactive for 490 days, falling well outside the threshold for active development. The last two releases were minor enhancements that provided no significant feature updates. Given the lack of activity for over a year, the app is classified as a zombie project with no current development momentum.
Who built it?
Trelleborg Sealing Solutions
6 apps tracked · Utilities
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ISO FitsUser Sentiment
What do users think recently?
Review voice lately leans thrilled. Users appreciate fluid thinkers find the calculator interface useful for managing complex financial math calculations efficiently.
How are ratings & reviews evolving?
What users say, by theme
- Fluid thinkers find the calculator interface useful for managing complex financial math calculations efficiently
4 of 4 recent reviews analyzed · limited sample
Read the full review analysisCompetition
Competitive landscape for Fluid Mechanics Calc
How's the Utilities market?
Fluid Mechanics Calc holds a 5-star rating across 3 total ratings on iOS, reflecting high satisfaction among a niche professional audience. The lack of updates for 490 days indicates the app is a stable, legacy-utility asset rather than a competitive growth product.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Fluid Mechanics Calc
Where is it heading?
The market for engineering utility tools is consolidating around platforms that offer integrated CAD/CAE workflows. Fluid Mechanics Calc remains a stable reference tool, but its maintenance-only cadence leaves it exposed to more active, feature-rich competitors.
- The 490-day update gap confirms a maintenance-only posture, which preserves existing utility but limits future competitive relevance.
- High satisfaction among professional users suggests the core formula library remains a valuable technical resource for the target audience.
The SWOT
- 360+ calculation methods enable variable-based formula solving
- Predefined unit libraries reduce friction for global engineering teams
- Cloud-based project saving could increase session frequency
- Integration of Trelleborg product catalogs could drive B2B leads
Next best moves
Audit user-requested features because the 16-month update gap risks brand irrelevance → maintain professional trust
The counter-intuitive read
The app's lack of updates is a feature, not a bug…
Read the full takeBottom line
Fluid Mechanics Calc serves as a stable brand-authority asset for Trelleborg, but the 16-month update silence risks eroding its utility against modern, integrated engineering tools.
Unlock 2 critical frictions, 2 market threats and the analyst’s take.
Access the full report for freeFAQ
Is Fluid Mechanics Calc suitable for professional engineering work?
Does Fluid Mechanics Calc support both metric and US units?
Is Fluid Mechanics Calc free to use?
Sources
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