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.






249+ iOS apps & games curated and reviewed
If you already know CPU Simulator, this is the deeper bench. 249+ cpu simulator apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 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 | Sep 2026 | ||
| 3 | Free | 1.9★ (295) | No | Yes | Sep 2026 | ||
| 4 | Free | 5.0★ (3) | No | No | May 2026 | ||
| 5 | $1.99 | 1.0★ (3) | No | No | May 2026 | ||
| 6 | Free | 4.7★ (14) | No | No | May 2026 | ||
| 7 | Free | 4.7★ (8.3K) | Yes | No | Sep 2026 | ||
| 8 | Free | 5.0★ (5) | No | No | May 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.

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.