# 4917emu Micro Processor Emu vs Rutherford and the Atom

The clearest difference is price: Rutherford and the Atom at Free against 4917emu Micro Processor Emu's $2.99. 4917emu Micro Processor Emu's advantage is iOS requirement (12.0 vs 15.0). On rating, ratings volume, update cadence and ads there is nothing between them.

Rutherford and the Atom is free to download; 4917emu Micro Processor Emu costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for 4917emu Micro Processor Emu against 5.0 for Rutherford and the Atom. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

4917emu Micro Processor Emu ships an update every 12 months, Rutherford and the Atom every 18 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 4917emu Micro Processor Emu | Rutherford and the Atom |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/4917emu-micro-processor-emu/id572103567/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/rutherford-and-the-atom/id925223651/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 18 months |
| Monetization | Paid | **Free** |
| Size | 1 MB | 12 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Mustun](https://appshunter.io/developer/572103590) | [John Kennedy](https://appshunter.io/developer/284943103) |

## What reviewers say

### 4917emu Micro Processor Emu

[App page](https://appshunter.io/ios/app/4917emu-micro-processor-emu/id572103567)

Learn the fundamental principles of how computers operate. This application simulates a hypothetical microprocessor, allowing users to understand basic coding concepts and microprocessor functions through interactive learning.

**Highlights:** Learn computer coding principles, Understand microprocessor functions, Simulates a 4-bit hypothetical microprocessor, Features 16 memory locations, Includes 4 registers (IP, IS, R0, R1), Supports 16 instructions

**Features:** macOS Compatibility

**In-app purchases:** none


### Rutherford and the Atom

[App page](https://appshunter.io/ios/app/rutherford-and-the-atom/id925223651)

Explore Ernest Rutherford's groundbreaking atomic model, crucial for understanding matter. This app serves as a revision aid and classroom tool for GCSE and High School Physics students, making atomic structure engaging and educational.

**Highlights:** Explains Rutherford's atomic model, Companion to GCSE/High School Physics, Revision aid, Classroom demonstration tool, Teaches atomic structure

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 4917emu Micro Processor Emu free?

4917emu Micro Processor Emu costs $2.99, with no in-app purchases.

### Is Rutherford and the Atom free?

Rutherford and the Atom is free to download, with no in-app purchases.

### Which has better reviews, 4917emu Micro Processor Emu or Rutherford and the Atom?

4917emu Micro Processor Emu and Rutherford and the Atom are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do 4917emu Micro Processor Emu or Rutherford and the Atom have ads?

Neither 4917emu Micro Processor Emu nor Rutherford and the Atom shows ads.

### Which is updated more often, 4917emu Micro Processor Emu or Rutherford and the Atom?

4917emu Micro Processor Emu ships an update every 12 months, and Rutherford and the Atom every 18 months. Most recently, 4917emu Micro Processor Emu was updated on October 23, 2026 and Rutherford and the Atom on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*