--- title: "TV-Tools — App Overview" url: https://marlvel.ai/apps/tv-tools category: Reference developer: John Lullie platforms: ios rating: N/A (0 ratings) pricing: paid report_level: overview generated: 2026-04-27 last_verified: "2026-04-27T09:53:05.272Z" --- > **Key Insight:** TV-Tools serves as a technical planning utility for users to calculate hardware specifications and energy costs for home theater displays. | Metric | Value | |--------|-------| | Category | Reference | | Rating | N/A ★ (0) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 2.54.3 | | Developer | John Lullie | ## What is TV-Tools? TV-Tools is a reference utility designed to assist users in selecting and installing home theater equipment. It provides specialized calculators for screen dimensions, viewing distances, and power consumption to help users optimize their media room setups. ## Key Features - **Electrical Cost Calculator**: Estimates the operational costs of LED, LCD, and Plasma televisions. - **Power Usage Reference Chart**: Provides wattage data for various television display technologies. - **Viewing Distance and Size Calculator**: Determines optimal HDTV screen sizes and viewing distances based on room dimensions and seating position. - **Projector Throw Distance Calculator**: Calculates the necessary placement distance for home theater projectors. - **Screen Dimension Tool**: Computes screen width, height, and diagonal measurements based on aspect ratio. ## Who is it for? Home theater enthusiasts and consumers planning the purchase or installation of HDTVs and projectors. ## Links - [App Store](https://apps.apple.com/us/app/tv-tools/id485333065?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/tv-tools) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/tv-tools).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*