# 4917emu Micro Processor Emu vs LCM GCD Prime Factor Math

The clearest difference is chart position: 4917emu Micro Processor Emu at #189 against LCM GCD Prime Factor Math's unranked. LCM GCD Prime Factor Math's advantage is price ($0.99 vs $2.99). On update cadence, ads, in-app purchases and device support there is nothing between them.

4917emu Micro Processor Emu costs $2.99 and LCM GCD Prime Factor Math $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

4917emu Micro Processor Emu ships an update every 12 months, LCM GCD Prime Factor Math every 18 months. The most recent releases landed on July 25, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | 4917emu Micro Processor Emu | LCM GCD Prime Factor Math |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/4917emu-micro-processor-emu/id572103567/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 18 months |
| Monetization | Paid | — |
| Best chart rank | **#189** | — |
| Size | 1 MB | 5 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Mustun](https://appshunter.io/developer/572103590) | [Maria Dolores Garcia Ferre](https://appshunter.io/developer/970100146) |

## What reviewers say

### 4917emu Micro Processor Emu

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

**Currently charting:** #189 Top Paid · Education (US App Store)

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


### LCM GCD Prime Factor Math

[App page](https://appshunter.io/ios/app/lcm-gcd-prime-factor-math/id1488738897)

**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 LCM GCD Prime Factor Math free?

LCM GCD Prime Factor Math costs $0.99, with no in-app purchases.

### Do 4917emu Micro Processor Emu or LCM GCD Prime Factor Math have ads?

Neither 4917emu Micro Processor Emu nor LCM GCD Prime Factor Math shows ads.

### Which is updated more often, 4917emu Micro Processor Emu or LCM GCD Prime Factor Math?

4917emu Micro Processor Emu ships an update every 12 months, and LCM GCD Prime Factor Math every 18 months. Most recently, 4917emu Micro Processor Emu was updated on July 25, 2026 and LCM GCD Prime Factor Math on May 16, 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.*