--- title: "Roman Calculator — App Overview" url: https://marlvel.ai/apps/roman-calculator category: Productivity developer: John Millhouse platforms: ios rating: 5.0 (4 ratings) pricing: paid report_level: overview generated: 2026-04-30 last_verified: "2026-04-30T11:09:14.530Z" --- > **Key Insight:** This app is a niche productivity tool designed for users who need to perform complex mathematical operations specifically within the Roman numeral system. | Metric | Value | |--------|-------| | Category | Productivity | | Rating | 5.0 ★ (4) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 26.2 | | Developer | John Millhouse | ## What is Roman Calculator? Roman Calculator is a specialized utility that performs standard and scientific calculations while displaying results in Roman numerals. It distinguishes itself as the first calculator to support Roman fractions and offers customizable UI themes via settings or swipe gestures. ## Key Features - **Roman Numeral Calculation**: Performs all calculations with results displayed as Roman numerals, including support for Roman fractions. - **Dual-Mode Interface**: Provides a standard interface in portrait mode and an expanded scientific layout in landscape mode. - **Conversion Tool**: Allows users to toggle between Roman and Arabic numeral systems with a dedicated convert button. - **UI Customization**: Offers four button styles and four background options, including the ability to import images from the user's library. ## Who is it for? Users requiring a specialized calculator for Roman numeral arithmetic and scientific functions. ## Links - [App Store](https://apps.apple.com/us/app/roman-calculator/id415183786?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/roman-calculator) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/roman-calculator).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*