This app simulates a computer's CPU, illustrating the fetch-decode-execute cycle and register changes. It includes an IDE for assembly code development and allows users to save and share simulations.






246+ iOS apps & games curated and reviewed
If you already know CPU Simulator, this is the deeper bench. 246+ cpu simulator apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 3.6★ (5) | No | No | May 2026 | |
| 2 | Free | 5.0★ (1) | No | No | Jul 2026 | |
| 3 | Free | 4.7★ (8.3K) | Yes | No | Aug 2026 | |
| 4 | Free | 1.9★ (295) | No | Yes | Aug 2026 | |
| 5 | Free | 5.0★ (3) | No | No | May 2026 | |
| 6 | Free | 4.7★ (14) | No | No | May 2026 | |
| 7 | Free | 5.0★ (5) | No | No | May 2026 | |
| 8 | Free | 4.3★ (189) | Yes | Yes | Jul 2026 |






This app simulates a computer's CPU, illustrating the fetch-decode-execute cycle and register changes. It includes an IDE for assembly code development and allows users to save and share simulations.






Simulate a complete 32-bit mobile system, including CPU units and memory. Write and debug assembly code directly on the simulated hardware to understand its inner workings.



This app offers a comprehensive performance benchmark for mobile devices. It simulates real-world usage scenarios across CPU, memory, storage, and graphics to help users understand their device's full potential and capabilities.


Learn to build a gaming PC virtually without the hassle of physical components. This simulation game offers realistic component visuals and placement, making the PC building process fun and educational.


Explore the inner workings of modern computers with a simulated 8-bit processor. Learn about computer history, use a visual model to execute programs, and assemble your own code.


Explore the inner workings of an 8-bit computer through simulation. Write, assemble, and run programs to understand computer instructions and their relationships with hardware components. Includes an assembler, sample programs, and educational resources.


This app simulates an 8-bit computer, teaching users about internal computer workings. It features an expanded memory space compared to its predecessor, allowing for more complex programs and a deeper understanding of computer architecture.


Assemble your own computer by buying components and putting them together. Learn how each part functions and how the entire system works in a first-person view. Test your creation and improve your assembly skills.


Learn to build and repair PCs with this simulation game. Follow step-by-step instructions to assemble real-world components, install software, and manage your own PC building business. Fulfill customer orders and become a PC architect.


Study 8086 microprocessor instructions and program execution on your iPhone. Simulate assembly language programs step-by-step, observing register and flag changes with each instruction. Includes all 8086 instructions with sample programs and detailed descriptions.


Build and analyze digital logic circuits interactively. Design complex systems from basic gates to complete processors without physical hardware. Share your creations and deepen your understanding of computer architecture.


Design, simulate, and analyze analog and digital electronic circuits on your device. Explore numerous example circuits and a vast library of components, including support for Verilog and Arduino modeling. Perform transient, DC sweep, AC, and FFT analyses with waveform manipulation.


Monitor your iPhone's hardware in real-time, including CPU, battery health, storage, and network status. Offers advanced tools, customizable dashboards, and various editions tailored to different user needs, from casual users to developers.




Access detailed device information including CPU, memory, battery, and network status. Customize desktop widgets with various skins and utilize a suite of common tools for system analysis and health monitoring.




Learn to build and repair PCs with this simulation game. Follow step-by-step instructions to assemble real-world components, install software, and manage customer orders to grow your PC building business.


Design, simulate, and analyze analog and logic circuits on your mobile device. Features a powerful engine, a wide range of components, and an intuitive editor. Ideal for students, makers, and professionals.




Experience realistic radio control flight with a vast selection of aircraft and challenging missions. Master complex maneuvers and explore diverse global scenarios. This simulator offers an accurate virtual piloting experience for enthusiasts.