Report updated Jun 18, 2026
Air Flow Calculator
For property owners, landlords, and housing associations seeking to diagnose ventilation or damp issues.
Air Flow Calculator is a challenged utilities app that is completely free. With a 2.3/5 rating from 21 reviews, it faces significant user friction.
What is Air Flow Calculator?
Air Flow Calculator is a utility app for property owners and landlords to calculate air change rates and fan flow metrics on iOS and Android.
Users hire this tool to diagnose ventilation or damp issues in residential spaces without needing complex engineering software.
Current Momentum
v1.0 · 21mo ago
Zombie- No functional updates since 2023.
- Maintains stagnant development lifecycle.
Active Nemesis
Material Weight Calculator
By Michael David
Other Rivals
7-Day Rank Pulse 🇺🇸
UtilitiesNo ranking data
Rating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Calculates air changes per hour by dividing air volume added or removed by total space volume
Provides air flow metrics specifically for fan and exhaust systems
How much does it cost?
- Free
The app is provided free of charge as a utility to support the developer's primary B2B property damage management and consultancy business.
Who Built It?
Enrichment in progress
Publisher profile available very soon
What other apps does Cornerstone make?
What do users think recently?
Medium confidence · 21 reviews analyzed
What is the recent mood?
Recent user voice shows a frustrated sentiment. but report lack of updates and maintenance.
Limited review volume (21 reviews). Sentiment analysis will deepen as more data lands.
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Air Flow Calculator?
Where is it available?
Localized markets (1)
How's The Utilities Market?
Market outlook for this category
Available very soon
The rivals identified
Nemeses(1)
This app competes directly for the same industrial utility user base by providing quick, field-ready calculations for physical material properties.
Differentiators
- Offers a dedicated keyboard dismissal feature that improves workflow speed in high-pressure field environments.
- Focuses exclusively on material weight, providing a more specialized toolset than our general air flow calculator.
Head to head
The nemesis is stagnant; we should capitalize on our active update cycle to capture users seeking modern, maintained utility tools.
Contenders(2)
It targets the same industrial engineering demographic by offering specialized weight estimation tools for piping infrastructure.
Differentiators
- Features a field-ready interface specifically optimized for rapid data entry in outdoor or construction settings.
- Provides a narrower, more focused utility set that appeals to users who dislike bloated, multi-purpose apps.
This app overlaps with our utility suite by providing essential volume and liquid mass calculations for piping systems.
Differentiators
- Includes a built-in calculation resource library that serves as a reference guide for complex engineering tasks.
- Offers multi-dimensional volume estimation that provides deeper technical utility than our current air flow focus.
Same space(4)
It serves the same industrial maintenance audience by providing advanced diagnostic tools for mechanical systems.
Differentiators
- Integrates directly with external hardware via Bluetooth and headphone jacks for high-precision sensor data collection.
- Provides advanced FFT and PSD analysis capabilities that far exceed basic calculator-style utility apps.
It occupies the same reference-utility space for engineers needing quick access to technical specifications and component data.
Differentiators
- Integrates order management workflows directly into the app, bridging the gap between calculation and procurement.
- Provides a comprehensive dimensional specification search that acts as a digital catalog for industrial components.
This app competes for the professional engineer's attention by providing audited, standards-compliant data for piping components.
Differentiators
- Features an extensive ASME piping component database that ensures regulatory compliance for professional engineering projects.
- Supports multi-unit data display, allowing users to toggle between imperial and metric systems seamlessly.
It targets the same industrial maintenance professionals by offering diagnostic tools and customized damping solutions.
Differentiators
- Provides actionable damping suggestions based on measurement data, moving beyond simple calculation into advisory territory.
- Includes a robust measurement archiving system that allows users to track mechanical health over time.
New entrants(1)
This newcomer enters the industrial utility space with advanced simulation capabilities that threaten to raise user expectations.
Differentiators
- Utilizes a 3D gear train simulator to visualize mechanical interactions, offering a superior UX for complex designs.
Compare Air Flow Calculator against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Air Flow Calculator
Strengths to defend, gaps to attack
Core Strengths
- Free utility model functions as a B2B lead generation mechanism for the developer's consultancy business.
Critical Frictions
- 2.3★ rating on Android signals poor reliability and high user dissatisfaction.
- No functional updates since 2023 creates a perception of abandonment.
Growth Levers
- Integrate Bluetooth sensor data to transition from a simple calculator to a diagnostic advisory tool.
Market Threats
- HydroTech Pocket Engineer's mobile-first field interface renders our static UI obsolete for professional users.
What are the next best moves?
Sunset the app because the 2.3★ rating creates brand drag for the B2B consultancy business → protect professional reputation
The 2.3★ Android rating and lack of updates since 2023 indicate the app is no longer a viable professional tool.
Trade-off: Redirect B2B marketing budget to website-based lead capture tools — web tools require less maintenance than mobile apps.
A counter-intuitive read
The app's lack of updates is a strategic choice to minimize maintenance overhead for a lead-generation tool, but this ignores the long-term cost of brand erosion among professional users.
Feature Gaps vs Competitors
- Mobile-first field interface (available in HydroTech Pocket Engineer but absent here)
- Real-time sensor data integration (available in Vibration analysis but absent here)
Key Takeaways
Air Flow Calculator serves as a functional B2B lead magnet, but the stagnant development cycle and low user rating threaten the developer's professional reputation, so the team should either commit to a UI refresh or sunset the app to prevent further brand erosion.
Where Is It Heading?
Declining
The industrial utility market is shifting toward high-precision, field-ready tools that integrate with hardware sensors. This app's static, unmaintained state leaves it exposed to modern entrants, so the developer must either pivot to a high-utility diagnostic tool or sunset the product to avoid brand damage.
The lack of updates since 2023 leads to user frustration, which compounds the rating drag already visible on the Android platform.