Tank Volume Calculator is a specialized utility for estimating liquid capacities across 15 tank shapes on iOS and Android.
Product velocity
Maintenance
Daily rank 🇺🇸
—
Tools
Sentiment
4.5
509 reviews
Nemesis
Calculator⁼
The App DNA
What makes this app unique?
Users hire this tool to replace manual geometric formulas with rapid, reliable volume outputs for industrial and DIY storage projects.
For Professionals and DIY users requiring rapid volume estimations for liquid storage containers.
What does it look like?
Key features
Calculates volumes for 15 distinct tank shapes including horizontal cylinders, cones, and trapezoids.
Facilitates volume conversions between SI units and US units.
Calculates liquid volume for filled, half-filled, or empty tank states.
How much does it cost?
Monetization relies on a platform-split strategy, utilizing a $3.99 upfront cost on iOS and ad-supported inventory on Android.
Velocity
Maintenance developmentperformanceUX improvementsShow more...
The app exhibits a maintenance-level development cadence, with only two releases identified over a period of approximately 20 months. The latest release occurred in January 2026, following a significant gap since the previous update in June 2024. Development is limited to minor optimizations and calculation improvements, with no evidence of new feature sets or live operations. The current release frequency is well below the threshold for active development.
Who built it?
Webtoweb
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Italian Verb ConjugationUser Sentiment
What do users think recently?
Review voice lately leans excited. Users appreciate specialized geometry focus, but report ios pricing barrier.
How are ratings & reviews evolving?
What users say, by theme
- Specialized geometry focus
- iOS pricing barrier
Unlock 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Tank Volume Calculator
How's the Tools market?
The app maintains a 4.57 rating on Android with over 500 reviews, positioning it as a reliable niche utility. However, the $3.99 iOS price point creates a conversion friction that general-purpose calculators avoid.
Read the market outlookThe rivals identified
By Impala Studios
This app dominates the general calculator space, capturing the same utility-seeking audience that requires quick, reliable math tools for daily tasks.
- Massive user base and brand recognition create a significant barrier to entry for niche tools.
- Integrated live currency conversion provides high-frequency utility that keeps users returning daily to the app.
- Advanced scientific mode and history tape features offer a comprehensive suite beyond simple volume calculations.
CalcFastContender
Calculator Pro EliteContender
Calculator Pro CalculatorContender
Time-CalculatorContenderUnlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Tank Volume Calculator
Where is it heading?
The niche utility market is consolidating around apps that offer OS-level integration and history management. The app remains stable but exposed, so the PM must prioritize cross-platform parity to prevent churn to general-purpose rivals.
- Consistent Android rating performance indicates the core utility remains highly valued by the current user base.
- The lack of iOS feature parity and high upfront cost creates a persistent conversion drag on the platform.
The SWOT
- Specialized geometry library for 15 tank types
- Simplified interface reduces cognitive load
- B2B partnerships with industrial equipment suppliers
- Wearable integration for field calculations
Next best moves
Pivot iOS pricing to freemium because the $3.99 barrier limits conversion → increase install velocity
+ 1 more prioritized moveThe counter-intuitive read
The app's niche focus is its primary defense against general-purpose calculators…
Read the full takeFeature gaps
Calculation history (available in Calculator⁼ but absent here) +1
Since the last report: The app shows improved sentiment and a refined competitive strategy, though it continues to face conversion challenges on iOS due to pricing and feature parity gaps.
Bottom line
The app dominates its niche through specialized geometry math, but the platform-split pricing creates an artificial ceiling on iOS growth, so the PM should pivot to a freemium model to unify the user experience and drive conversion.
Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is this app suitable for professional industrial use?
Does this app work offline?
What is the difference between the Android and iOS versions?
Are there free alternatives to this app?
Report last updated