---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "kVA (Single and Three Phase)"
developer_entity: "Webtoweb"
bundle_id: "kva.calculator"
app_store_id: "6471555716"
category: "Tools"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2026-01-18"
report_date: "2026-05-24"
last_verified: "2026-05-24T15:58:42.925Z"
report_version: "1.4"
total_reviews: 633
overall_rating: 4.18
confidence: "low"
confidence_score: 0.75
data_age_days: 31
momentum_velocity: "maintenance"
intelligence_version: 4
nemesis: "Conduit Bending"
competitor_count: 9
tags: ["tools", "freemium", "mobile app", "app review", "app analysis", "electricians,", "electrical", "engineering"]
canonical_url: "https://marlvel.ai/intel-report/tools/kva-single-and-three-phase"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# kVA (Single and Three Phase) App Audit

## TL;DR {#tldr}

- **Category**: Tools · Freemium
- **Signal**: Rating 4.18

> **TL;DR:** kVA (Single and Three Phase) is a tools app by Webtoweb, rated 4.18/5 by 633 users, available on iOS & Android.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** kVA (Single and Three Phase) is a tools app by Webtoweb.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.18/5 (633 reviews) |
| **Category** | Tools |
| **Developer** | Webtoweb |
| **Pricing** | Freemium |
| **Platforms** | iOS & Android |
| **Confidence** | Low (0.75/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** Webtoweb
- **Category:** Tools
- **Target Audience:** Electricians, electrical engineering students, and industrial facility managers requiring quick power conversion calculations.
- **Platforms:** iOS & Android
- **Version Audited:** 1.4
- **Audit Date:** 2026-05-24
- **Signal Count:** 633 reviews analyzed
- **Confidence:** Low (0.75/1.0)
- **App Store ID (iOS):** 6471555716
- **Bundle ID:** kva.calculator
- **Google Play ID:** kva.calculator
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-05-24
- **Short Description:** Calculate kVA, HP, KW, Amps and Volts in a electrical circuit

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** kVA (Single and Three Phase) is an electrical power calculator for electricians and students on iOS and Android.
**Why users hire it:** Users hire this app for quick, mode-specific power conversions in the field, so the tool must be reliable and fast to justify its place in a professional's utility folder.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Electrical Power Conversion:** Calculates and converts between kVA, kW, and kVAR units for single and three-phase circuits
- **[Standard] Circuit Parameter Calculator:** Computes Amps, Volts, and HP based on user-defined electrical circuit inputs
- **[Differentiator] Cross-Platform Availability:** Provides specialized calculation tools across both iOS and Android platforms
  * *User Intent:* Users seek enhanced value through premium features.
<!-- /section:features -->

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

The app maintains a 4.17 rating on Android with 632 ratings, while the iOS version holds a 4.0 rating with only 1 rating. The disparity in review volume suggests the Android platform is the primary driver of user feedback and usage.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free (ad-supported) on Android, Paid ($1.99) on iOS
- **Price:** iOS: $1.99
- **Analysis:** Monetization splits by platform, utilizing ad-inventory on high-volume Android installs and direct paid-conversion on the iOS store.

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

**Core Strengths:**
- Cross-platform availability provides a wide reach for field technicians
- Simple interface reduces cognitive load for quick calculations

**Critical Frictions:**
- $1.99 iOS price point lacks clear value-add over free Android version
- No cloud-sync or professional reference material

**Growth Levers:**
- Integration of professional reference tables could justify the paid iOS tier
- Expansion into industry-standard calculation modules

**Market Threats:**
- Multi-tool suites like Build Specs bundle core voltage calculations with construction tools
- High release cadence of Conduit Bending keeps their utility more relevant

<!-- /section:swot -->
## Recent Changes (v3 → v4) {#recent-changes}

The app's competitive outlook has transitioned from a focus on formula-rich calculator rivals to a defensive stance against broader construction-industry multi-tool suites.

**Overall trend**: Mixed
**Compared at**: 2026-05-24

### High-impact changes
- **[Shifted] Competitive Landscape Pivot** (positioning) — Competitive focus shifted from general calculator apps to construction-specific multi-tool suites like Build Specs and Conduit Bending.
- **[Removed] Sentiment Data Availability** (sentiment) — Detailed user sentiment analysis and top praise/complaint themes were removed from the report.

### Medium-impact changes
- **[Shifted] Threat Profile Update** (swot) — Threats shifted from formula-library competition to bundling competition from construction-focused toolkits.

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### kVA (Single and Three Phase) vs Conduit Bending — Head to Head
- **[Conduit Bending](https://marlvel.ai/intel-report/productivity/conduit-bending)** by xNeat.com: This app competes directly for the professional electrician's utility toolkit by offering specialized calculation workflows that overlap with our core power conversion functionality.
  - **Key differences:**
    - Provides a comprehensive bender library that simplifies complex physical conduit installation tasks for field technicians.
    - Integrates advanced calculation engines directly into the bending workflow to reduce context switching for users.
    - Maintains a high release cadence, signaling a mature development cycle that keeps the tool relevant.
  - **Where kVA (Single and Three Phase) wins:**
    - ✅ Offers a more focused, lightweight interface specifically for kVA and electrical power conversions.
    - ✅ Provides a lower barrier to entry for users needing quick, single-purpose electrical math.
  - **Where Conduit Bending wins:**
    - ❌ Features a significantly higher rating and larger user base, establishing strong professional credibility.
    - ❌ Offers specialized physical installation tools that provide more utility than a pure math calculator.
  - **Verdict:** We must pivot toward becoming an 'all-in-one' electrical utility to prevent users from migrating to more comprehensive toolkits.

### Contenders (Strong Challengers)
- **[Mike Holt's Electrical Toolbox](https://marlvel.ai/intel-report/utilities/mike-holt-s-electrical-toolbox)** by Mike Holt Enterprises: This app is a direct threat because it bundles our core calculation features into a broader, highly authoritative suite of professional electrical tools.
  - Includes specialized modules for complex tasks like conductor sizing and transformer calculations beyond basic kVA.
  - Positions itself as an industry-standard reference tool, which drives higher user trust and retention rates.
- **[WAGO](https://marlvel.ai/intel-report/reference/wago)** by WAGO Kontakttechnik GmbH & Co. KG: WAGO competes by providing a branded ecosystem of planning tools that capture the user's workflow before they even reach the calculation stage.
  - Leverages a massive brand-backed ecosystem that includes offline planning tools and integrated dealer search functionality.
  - Utilizes 'SnapandSearch' technology to bridge the gap between physical product identification and digital utility tools.

### Peers (What They Do Better)
- **[pCAM Pro - Camera Tools](https://marlvel.ai/intel-report/photo-video/com-eubank-pcam-pro)** by David Eubank: pCAM Pro serves as a benchmark for high-utility, professional-grade calculators that command a premium through deep feature sets.
  - Maintains a massive camera format database that creates a high barrier to entry for potential competitors.
  - Delivers a highly polished, professional-grade UX that justifies its position as a premium industry tool.
- **[SpraySelect](https://marlvel.ai/intel-report/business/sprayselect)** by TeeJet Technologies: SpraySelect competes for the same technical professional audience that requires precise parameter-based output for field operations.
  - Employs a sophisticated recommendation engine that guides users to specific hardware based on input parameters.
  - Aggressive update schedule ensures the app remains compatible with the latest hardware and industry standards.
- **[Tire Pressure Calculator](https://marlvel.ai/intel-report/utilities/tire-pressure-calculator)** by Titan International, Inc.: This app shares our 'single-purpose utility' DNA, targeting users who need precise, mode-specific calculations in a field environment.
  - Offers terrain-specific optimization modes that provide deeper value than a generic electrical power calculator.
  - Utilizes a dual-mode interface that caters to both casual users and professionals requiring advanced settings.
- **[Orenda](https://marlvel.ai/intel-report/productivity/orenda)** by Hasa Inc.: While focused on water chemistry, Orenda competes for the same 'specialized calculator' user demographic that relies on niche mobile tools.
  - Integrates educational content via Orenda Academy to build long-term user loyalty beyond simple utility functions.
  - Features a rewards program that incentivizes repeat usage and creates a sticky, value-added user experience.

### New Kids on the Block (What's Innovative)
- **[Moro AgriExpert Farm Calc](https://marlvel.ai/intel-report/tools/moro-agriexpert-farm-calc)** by BMAC INFOTECH: This app targets the same 'field-utility' user base, proving that specialized calculators are increasingly moving toward multi-tool suites.
  - Provides highly specific agricultural dose guides that solve complex compliance and safety problems for farmers.
- **[Build Specs](https://marlvel.ai/intel-report/utilities/build-specs)** by Luke Kazmierowicz: Build Specs is a direct threat as it bundles our core voltage drop calculation within a broader suite of construction-focused tools.
  - Bundles multiple trade-specific calculators into one app, making it a more efficient download for general contractors.

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

- **Latest (v1.1, 2 years ago):** Resolved keyboard-related issues.
- **Last Major (v1.2, 1 years ago):** Added new options for sharing results.
<!-- /section:whats-new -->

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

- Ships updates across both platforms.
- Maintains consistent utility-focused feature set.

> **Cadence:** 5 total versions · 0 majors in last 6 months · 125 days since last update · 171 days avg between updates

<!-- /section:momentum -->

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

kVA (Single and Three Phase) is an established tools app that is free with in-app purchases.
With a 4.18/5 rating from 633 reviews, it shows polarized user reception.

<!-- speakable-start -->
> **Bottom Line:** The app provides a reliable utility for power math, but its fragmented monetization and lack of professional reference material leave it exposed to multi-tool competitors, so the PM should prioritize feature parity to build a cohesive professional brand.
<!-- speakable-end -->

**Best for:** Electricians, electrical engineering students, and industrial facility managers requiring quick power conversion calculations.

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

- [ ] [PIVOT] [MEDIUM IMPACT] Unify feature sets across iOS and Android because the current split creates brand confusion → increase paid conversion on iOS. — *The $1.99 price point on iOS lacks a clear value proposition compared to the free Android version.* _(trade-off: deprioritize Pause the ad-inventory expansion on Android — unified feature parity has higher long-term brand value.)_
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors

- Physical conduit bending library (available in Conduit Bending)
- Industry-standard reference tables (available in Mike Holt's Electrical Toolbox)
<!-- /section:feature-gaps -->

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

The market for specialized electrical calculators is consolidating into broader utility suites that offer higher value per download. The app must transition from a single-purpose tool to a professional reference suite to prevent user migration to comprehensive competitors.

- ⚪ The app maintains a steady utility focus, but lacks the aggressive feature expansion seen in multi-tool competitors, which limits long-term growth potential.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.18/5 |
| Total Reviews | 633 |
| Confidence | Low |
| Pricing Model | Freemium |
| Platforms | iOS & Android |
| Key Features | 3 analyzed |
| Trend | Mixed |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **kVA (Single and Three Phase)** (this app) | 4.18/5 | N/A | Webtoweb |
| [pCAM Pro - Camera Tools](https://marlvel.ai/intel-report/photo-video/com-eubank-pcam-pro) | 4.9/5 | Thrilled | David Eubank |
| [Build Specs](https://marlvel.ai/intel-report/utilities/build-specs) | N/A/5 | N/A | Luke Kazmierowicz |
| [Moro AgriExpert Farm Calc](https://marlvel.ai/intel-report/tools/moro-agriexpert-farm-calc) | N/A/5 | N/A | BMAC INFOTECH |
| [Orenda](https://marlvel.ai/intel-report/productivity/orenda) | 4.7/5 | Excited | Hasa Inc. |
| [WAGO](https://marlvel.ai/intel-report/reference/wago) | 4.8/5 | Excited | WAGO Kontakttechnik GmbH & Co. KG |

## Company Profile
- **Developer:** Webtoweb
- **Website:** [https://www.webtoweb.fr](https://www.webtoweb.fr)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/kva-calculator-2025/id6471555716?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=kva.calculator&hl=en&gl=us)
- **Dev Site:** [Official Website](https://www.webtoweb.fr)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*pCAM Pro - Camera Tools*](https://marlvel.ai/intel-report/photo-video/com-eubank-pcam-pro) (David Eubank) — 4.9/5 Rating | Excellent Sentiment
- [*Build Specs*](https://marlvel.ai/intel-report/utilities/build-specs) (Luke Kazmierowicz) — N/A Rating | N/A Sentiment
- [*Moro AgriExpert Farm Calc*](https://marlvel.ai/intel-report/tools/moro-agriexpert-farm-calc) (BMAC INFOTECH) — N/A Rating | N/A Sentiment
- [*Orenda*](https://marlvel.ai/intel-report/productivity/orenda) (Hasa Inc.) — 4.7/5 Rating | Positive Sentiment
- [*WAGO*](https://marlvel.ai/intel-report/reference/wago) (WAGO Kontakttechnik GmbH & Co. KG) — 4.8/5 Rating | Positive Sentiment
- [*Tire Pressure Calculator*](https://marlvel.ai/intel-report/utilities/tire-pressure-calculator) (Titan International, Inc.) — 4.7/5 Rating | Positive Sentiment
- [*Conduit Bending*](https://marlvel.ai/intel-report/productivity/conduit-bending) (xNeat.com) — 4.8/5 Rating | N/A Sentiment
- [*Mike Holt's Electrical Toolbox*](https://marlvel.ai/intel-report/utilities/mike-holt-s-electrical-toolbox) (Mike Holt Enterprises) — 4.6/5 Rating | N/A Sentiment
- [*SpraySelect*](https://marlvel.ai/intel-report/business/sprayselect) (TeeJet Technologies) — 5.0/5 Rating | N/A Sentiment
- [*Compass*](https://marlvel.ai/intel-report/tools/compass-4) (NixGame) — 4.0/5 Rating | N/A Sentiment

## 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 and evidence quoting.
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:** 0.75/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 633
- **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:** 0 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/tools/kva-single-and-three-phase)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.