---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Tank Volume Calculators"
developer_entity: "Kantaben Gorasiya"
bundle_id: "tank.volume.calculator"
app_store_id: "6477382115"
category: "Productivity"
primary_platform: "ios"
primary_monetization: "Paid"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2024-06-11"
report_date: "2026-08-27"
last_verified: "2026-08-27T00:00:00.000Z"
report_version: "1.1"
total_reviews: 5
overall_rating: 1.8
sentiment: "Upset"
sentiment_score: 10
confidence: "medium"
confidence_score: 0.4
top_complaint_theme: "Calculation errors and unresponsive numeric input fields prevent users from completing basic mathematical tasks accurately"
review_sample_size: 1
total_review_count: 1
analyzed_review_count: 1
data_age_days: 12
momentum_velocity: "zombie"
intelligence_version: 3
tags: ["productivity", "paid", "upset sentiment", "mobile app", "app review", "app analysis", "engineers,", "contractors,", "industrial"]
canonical_url: "https://marlvel.ai/apps/tank-volume-calculators"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Tank Volume Calculators Intelligence Report

## TL;DR {#tldr}

- **Category**: Productivity · Paid
- **Signal**: Rating 1.8 · Sentiment Upset
- **Recent focus**: Calculation errors and unresponsive numeric input fields prevent users from completing basic mathematical tasks accurately (top complaint)

> **TL;DR:** Tank Volume Calculators is a productivity app by Kantaben Gorasiya, rated 1.8/5 by 5 users, with Upset user sentiment (10/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Tank Volume Calculators faces Upset user sentiment (1.8/5 from 5 reviews), with users reporting calculation errors and unresponsive numeric input fields prevent users from completing basic mathematical tasks accurately as the primary concern.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 1.8/5 (5 reviews) |
| **User Mood** | Upset |
| **Category** | Productivity |
| **Developer** | Kantaben Gorasiya |
| **Pricing** | Paid |
| **Platforms** | iOS |
| **Confidence** | Medium (0.4/1.0) |
| **Data Age** | 12d |

## Metadata & Market Performance
- **Publisher:** Kantaben Gorasiya
- **Category:** Productivity
- **Target Audience:** Engineers, contractors, and industrial workers requiring rapid volume estimations for various tank shapes.
- **Platforms:** iOS
- **Version Reviewed:** 1.1
- **Report Date:** 2026-08-27
- **Signal Count:** 1 review analyzed
- **Confidence:** Medium (0.4/1.0)
- **App Store ID (iOS):** 6477382115
- **Bundle ID:** tank.volume.calculator
- **Performance Trend:** Stable
- **Data Window:** Analysis based on signals collected up to 2026-08-27

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Tank Volume Calculators is a specialized productivity tool for calculating volumes of 15 different tank types on iOS.
**Why users hire it:** It removes the manual effort of calculating complex tank geometries for industrial workers, but the current technical failures prevent it from serving this need reliably.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Multi-Tank Calculation Engine:** Calculates volumes for 15 distinct tank geometries including cylinder, capsule, cone, and trapezoid shapes.
- **[Standard] Unit Conversion Utility:** Converts volume outputs between cubic meters, liters, imperial gallons, U.S. gallons, and barrels.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

Tank Volume Calculators holds a 1.8-star rating across 5 total ratings, signaling significant dissatisfaction with its core utility. The $3.99 price point is difficult to justify given the 26-month update gap and reported input-field failures.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Paid
- **Tiers:** Single purchase at $3.99
- **Price:** iOS: $3.99
- **Analysis:** The $3.99 one-time purchase model provides full access to all 15 tank types without recurring subscription fees.

<!-- section:sentiment -->
## 🔴 User Sentiment (Medium Confidence: 1 of 1 review analyzed) {#user-sentiment}
- **Overall Rating:** 1.8/5
- **Platform Split:** iOS 1.8/5 (5 ratings)
- **Overall Sentiment:** Upset

### Top Complaints (Impact Areas)

- **Calculation errors and unresponsive numeric input fields prevent users from completing basic mathematical tasks accurately**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- 15-geometry calculation engine serves specialized industrial workflows

**Growth Levers:**
- Fixing input bugs could restore utility for industrial users


<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The app remains in a state of technical stagnation, with no functional improvements to address the 26-month update gap. The primary shift is a new strategic recommendation to sunset the paid price point until core calculation bugs are resolved.

**Overall trend**: Stable
**Compared at**: 2026-08-27

### High-impact changes
- **[Shifted] Proposed Pricing Sunset** (pricing)

### Medium-impact changes
- **[Added] Explicit SWOT Linkage** (swot)

<!-- section:whats-new -->
## What's New

- **Latest (v1.1, 2 years ago):** Optimized internal calculation logic.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Zombie) {#momentum}

- No updates for 26 months.
- Critical input-field bugs remain unresolved.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 807 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Tank Volume Calculators is a productivity app that is a paid app.
It holds a 1.8/5 rating from 5 reviews.

<!-- speakable-start -->
> **Bottom Line:** Tank Volume Calculators requires a fundamental audit of its numeric input handling and calculation logic to justify its paid entry, as current performance failures actively erode user trust and conversion potential.
<!-- speakable-end -->

**Best for:** Engineers, contractors, and industrial workers requiring rapid volume estimations for various tank shapes.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [INVEST] Audit numeric input logic because users report unresponsive keys → restore core functionality
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Declining

The outlook for Tank Volume Calculators is declining due to a lack of maintenance and unresolved core functionality issues. Without a technical refresh to address input-field bugs, the app will continue to lose credibility with its professional user base.

- 🔴 The 26-month update gap indicates the product is in a zombie state, which prevents it from addressing critical input-field bugs.
- 🔴 Broken calculation logic and unresponsive input fields directly erode the value proposition for this app industrial audience.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 1.8/5 |
| Total Reviews | 5 |
| Sentiment | Upset (10/100) |
| Confidence | Medium |
| Pricing Model | Paid |
| Platforms | iOS |
| Key Features | 2 analyzed |
| Trend | Stable |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Tank Volume Calculators** (this app) | 1.8/5 | Upset | Kantaben Gorasiya |
| [Mitsu: AI Life Coach](https://marlvel.ai/apps/mitsu-ai-life-coach) | N/A/5 | N/A | C2 Insights |
| [ChatGPT](https://marlvel.ai/apps/chatgpt) | 4.8/5 | n/a | OpenAI OpCo, LLC |
| [HitWave](https://marlvel.ai/apps/ciendor-applications-hitwave) | 2.6/5 | Mixed | Ciendor Holdings Corp. LTD |
| [Paper: Sketch, Draw & Create](https://marlvel.ai/apps/paper-sketch-draw-create) | 4.6/5 | N/A | Evernote Corporation |
| [Pattrn - Discipline Tracker](https://marlvel.ai/apps/pattrn-discipline-tracker) | 4.8/5 | Thrilled | Pedro Schott |

## Company Profile
- **Developer:** Kantaben Gorasiya
- **Website:** [https://privacypolicy1777.wordpress.com/](https://privacypolicy1777.wordpress.com/)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/tank-volume-calculators/id6477382115?uo=4)
- **Dev Site:** [Official Website](https://privacypolicy1777.wordpress.com/)
- **Sources:** Developer website content, App store metadata, User reviews.

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- [*Pattrn - Discipline Tracker*](https://marlvel.ai/apps/pattrn-discipline-tracker) (Pedro Schott) · 4.8/5 Rating | Excellent Sentiment
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## Frequently Asked Questions {#faq}

### Is Tank Volume Calculators accurate for professional engineering work?

Users report that the app currently fails to provide correct results, and numeric input fields are unresponsive, making it unreliable for professional estimations.

### Does Tank Volume Calculators offer a free trial?

No, the app is a paid tool requiring a $3.99 single purchase to access its features.

### What are the limitations of Tank Volume Calculators?

The primary limitations are a lack of updates for over two years and reported bugs that prevent users from entering numbers correctly or obtaining accurate volume results.

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.4/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 1
- **Data Sources:** user reviews, developer website, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 12 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/tank-volume-calculators)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.