--- title: "Calcvier - Keyboard Calculator — App Overview" url: https://marlvel.ai/intel-report/utilities/calcvier-keyboard-calculator category: Utilities developer: Sergei Shpygar platforms: ios rating: 4.4 (142 ratings) pricing: paid report_level: overview generated: 2026-05-10 last_verified: "2026-05-10T04:32:18.427Z" --- > **Key Insight:** Calcvier improves productivity by embedding a calculator directly into the device's keyboard for seamless use across all applications. | Metric | Value | |--------|-------| | Category | Utilities | | Rating | 4.4 ★ (142) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 1.4.0 | | Developer | Sergei Shpygar | ## What is Calcvier - Keyboard Calculator? Calcvier is a third-party keyboard extension that integrates a calculator directly into the system keyboard. It allows users to perform calculations within any application, eliminating the need to switch apps or copy-paste results. ## Key Features - **Keyboard Integration**: Replaces the standard system keyboard with a functional calculator interface. - **Cross-App Functionality**: Enables direct calculation input within any app, including Safari, Mail, and Messages. - **Workflow Efficiency**: Removes the requirement to switch between apps or copy and paste calculation results. ## Who is it for? Mobile users who frequently perform calculations while working in other applications like Notes, Mail, or Messages. ## Links - [App Store](https://apps.apple.com/us/app/calcvier-keyboard-calculator/id954157490?uo=4) - [Full Intelligence Report](https://marlvel.ai/intel-report/utilities/calcvier-keyboard-calculator) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/utilities/calcvier-keyboard-calculator).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*