Calculator of Air

Calculator of Air

By yoshihito sakagami

Calculator of Air is a psychrometric calculation tool for HVAC and industrial professionals, available on iOS.

The App DNA

What makes this app unique?

The tool replaces manual psychrometric chart lookups with automated numerical analysis, removing the risk of human error in industrial drying and cleanroom management workflows.

For HVAC engineers, cleanroom managers, and industrial technicians.

What does it look like?

Key features

Psychrometric Calculation Engineedge

Computes air properties using the Wexler-Hyland formulation for six parameters, establishing category authority for professional HVAC workflows.

Memory Functionedge

Stores calculated values to enable multi-step air-state calculations, reducing manual entry time for repeat professional users.

Companion App Integrationedge

Links to HumidCalc to display additional air-property parameters, expanding the developer's total ad-impression volume.

How much does it cost?

freeFree with ad-supported interface

The app is free to use, relying on AdMob banner inventory for monetization.

Velocity

Maintenance developmentperformanceUX improvementsplatform expansionShow more...

The app exhibits a maintenance-level cadence, with only one release recorded in the last 147 days. Development focus is limited to technical upkeep, including SDK updates, privacy compliance, and UI optimizations for specific display sizes. There is no evidence of active feature development or live operations. The current trajectory suggests a focus on stability rather than growth or new content.

See all version history

Who built it?

yoshihito sakagami

4 apps tracked · Productivity

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
4.64 · 14

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Calculator of Air

How's the Productivity market?

Calculator of Air maintains a 4.6-star rating across 14 reviews, positioning itself as a niche utility for professional HVAC workflows. The lack of updates in 147 days suggests a stable, maintenance-focused position rather than an aggressive growth strategy.

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The rivals identified

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The Analyst's Read

Key takeaways for Calculator of Air

Where is it heading?

The market for industrial calculation tools is shifting toward integrated, cloud-connected workflows. Calculator of Air remains a reliable, standalone utility, but its lack of recent feature investment leaves it exposed to competitors that offer broader atmospheric modeling and cloud-sync capabilities.

  • The 147-day update gap indicates a stable, maintenance-only posture that prioritizes core engine reliability over new feature expansion.

The SWOT

Core Strengths
  • Wexler–Hyland formulation establishes category authority for professional HVAC workflows
  • Memory function reduces calculation time for complex industrial multi-step processes
Critical Frictions 2 weaknesses inside
Growth Levers
  • Localized pricing or a Pro tier could capture value from professional users
Market Threats 1 threat identified

Next best moves

1 Invest

Audit atmospheric pressure settings because fixed standard pressure limits industrial utility → increase addressable professional market

The counter-intuitive read

The app's maintenance-mode status is a feature, not a bug…

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Bottom line

Calculator of Air provides high-accuracy psychrometric calculations that retain core professional users, but the maintenance-only cadence risks ceding the niche to more active rivals. Investing in flexible atmospheric pressure settings would unlock utility for high-altitude industrial segments.

Unlock 2 critical frictions, 1 market threat and the analyst’s take.

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FAQ

Is Calculator of Air suitable for professional HVAC design?
Yes, the app uses the Wexler–Hyland formulation and numerical analysis to provide the high-accuracy results required for HVAC and cleanroom management workflows.
Does Calculator of Air work at high altitudes?
No, the app uses a fixed atmospheric pressure of 1013.25 hPa, which may result in inaccurate calculations for high-altitude industrial environments.
What is the difference between Calculator of Air and HumidCalc?
Calculator of Air provides the core six psychrometric parameters, while the companion app HumidCalc offers additional air-property parameters for more complex analysis.

Sources

  1. [1] App Store listing

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Calculator of Air, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Calculator of Air Intelligence Report.” Updated Sep 14, 2026. https://marlvel.ai/apps/calculator-of-air

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