# ASIC & FPGA Design Studio — Verilog · VHDL · RTL Toolkit > Verilog · VHDL · RTL Toolkit (iPhone/iPad app by Yuhsiu Lai.) - Source: https://appshunter.io/ios/app/asic-and-fpga-design-studio/id6764863149 (this page in markdown: same URL + `.md`) - Developer: [Yuhsiu Lai](https://appshunter.io/developer/433114647) - Category: Education, Developer Tools - Price: $2.99 (on sale, was $9.99) - Age rating: 4+ - Requires: iOS 17.0 · 2 MB - Released: 2026-04-30 - Data updated: 2026-09-06 - User reviews in markdown: https://appshunter.io/ios/app/asic-and-fpga-design-studio/id6764863149/reviews.md ## What is ASIC & FPGA Design Studio? Professional HDL Design, Simulation, and Engineering Tools — Right on Your iPhone and iPad ASIC & FPGA Workbench is a complete mobile toolkit for hardware engineers, FPGA developers, RTL designers, and engineering students. Write HDL code, run simulations, analyze timing, access design references, and solve engineering problems from anywhere. Whether you're reviewing designs in a meeting, studying for an exam, troubleshooting timing issues, or prototyping an idea on the go, ASIC & FPGA Workbench puts essential digital design tools in your pocket. HDL Editor & On-Device Simulation Design and test digital logic directly on your iPhone or iPad. • Syntax-highlighted Verilog and VHDL editor • Behavioral HDL simulation on-device • Interactive waveform viewer • Signal analysis with HIGH/LOW state indicators • Quickly verify logic behavior without a desktop workstation Perfect for rapid design validation, learning, debugging, and reviewing HDL code anywhere. Engineering Toolbox Built-in calculators help solve common FPGA and ASIC design challenges. Clock & Timing Calculator • Calculate clock periods from frequency targets • Estimate setup slack and timing margins • Determine combinational path budgets • Generate ready-to-use timing constraints for Vivado and Quartus Bit Width Advisor • Calculate minimum register and bus widths • Generate Verilog declarations automatically • Generate VHDL signed and unsigned types Pipeline Depth Estimator • Determine required pipeline stages • Analyze logic path delays • Improve timing closure for high-speed designs Skew & Jitter Budget Calculator • Model clock distribution networks • Analyze setup and hold margins • Evaluate clock skew and routing health • Improve design reliability Design Pattern Library Accelerate development with reusable engineering templates. Explore proven HDL examples covering: • Combinational Logic • Sequential Logic • Finite State Machines (FSMs) • Memory Interfaces • FPGA Design Techniques • ASIC Design Flows • Verification Concepts • Timing Constraints Every pattern includes explanations, annotated code, and one-tap access to simulation. Verilog, VHDL & SystemVerilog Reference A comprehensive engineering reference library always available offline. • Verilog syntax and constructs • VHDL language reference • SystemVerilog concepts • Data types and operators • FPGA and ASIC terminology • Searchable glossary and examples Quickly find syntax, explanations, and implementation examples when you need them. Designed For • FPGA Engineers • ASIC RTL Designers • Digital Design Engineers • Verification Engineers • Embedded Hardware Developers • Electrical & Computer Engineering Students • Anyone working with Verilog, VHDL, or SystemVerilog Compatible with Xilinx, Intel (Altera), Lattice, Microchip, and other FPGA development platforms. Learn. Design. Simulate. ASIC & FPGA Workbench brings professional digital design tools, engineering references, and HDL simulation together in a single mobile application—helping you stay productive wherever engineering happens. ## Version history (last 3 releases) ### 4.0 — 2026-06-13 Version 4.0 Quiz Mode — Test your knowledge on any design pattern with interactive multiple-choice questions. Answer cards reveal color-coded feedback and explanations, and a score ring summarizes your results. Access quizzes directly from any pattern page or from the new Bookmarks tab. Bookmarks Tab — All your saved patterns in one place. Quickly jump back to any bookmarked lesson or launch a quiz without navigating the full curriculum. Global Search — Find anything in the app instantly. Search across design patterns, HDL reference entries, and Toolbox calculators from a single search bar. Study Streak — Your dashboard now tracks consecutive days of activity so you can build a consistent learning habit. Three New Toolbox Calculators: Dynamic Power Estimator (P = α × C × V² × f) Setup/Hold Slack Calculator with met/violated status LUT Utilization Estimator for six major FPGA families Share HDL Code — Export your editor code directly from the toolbar to Files, Mail, or any app via the iOS share sheet. Updated the App Store description for improved clarity and accuracy Better highlights of app features, engineering tools, and learning resources ### 2.0 — 2026-05-18 This is a major update that transforms the app into a professional HDL engineering workbench. New: Engineering Toolbox Four on-device calculators built for working hardware designers: Clock & Timing — clock period, setup slack, and ready-to-paste Vivado/Quartus constraints Bit Width Advisor — minimum bits for any value or state count, with Verilog and VHDL type output Pipeline Depth Estimator — pipeline stages needed to close timing at your target frequency Skew & Jitter Budget — maximum allowable clock skew with configurable design margin Redesigned Experience New Workbench home with design activity dashboard and quick-access to all tools Design Pattern Library replaces the old curriculum — organized by engineering domain with HDL templates you can open directly in the simulator Waveform Simulator now shows a full signal analysis panel below the waveform with per-signal HIGH/LOW final states and a timing diagram reading guide HDL Editor landing page explains the simulator workflow when the tab is first opened Visual Dark navy-purple background applied consistently across Patterns, Reference, and Workbench tabs Frosted glass row cards throughout list views ### 1.0 — 2026-04-30 No release notes. ## More apps by Yuhsiu Lai - [Availability and Reliability](https://appshunter.io/ios/app/availability-and-reliability/id435033141) - [Battery Capacity Calculator](https://appshunter.io/ios/app/battery-capacity-calculator/id445176473) - [48VDC Power System](https://appshunter.io/ios/app/48vdc-power-system/id449477913) - [NEC Electrical Code Tools](https://appshunter.io/ios/app/nec-electrical-code-tools/id469334093) - [Engineer's Toolset](https://appshunter.io/ios/app/engineers-toolset/id478486737) - [Battery Current Simulator](https://appshunter.io/ios/app/battery-current-simulator/id488430945) All apps by Yuhsiu Lai: https://appshunter.io/developer/433114647 ## Related topics [fpga](https://appshunter.io/ios/topics/fpga) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-06.*