# Opcodes vs Novex Academy

The clearest difference is in-app purchases: Novex Academy at none against Opcodes's 1. Novex Academy also leads on rating (5.0 vs 4.8). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Opcodes sells 1 one-off in-app purchase. Novex Academy asks for nothing beyond the download.

Novex Academy holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

## The numbers

| Metric | Opcodes | Novex Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (6 ratings)](https://appshunter.io/ios/app/opcodes-retro-cpu-reference/id6760205834/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/novex-academy/id6796179435/reviews)** |
| Number of ratings | **6** | 3 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Free | Free |
| Size | 58 MB | 3 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Kennedy](https://appshunter.io/developer/284943103) | [Christian Larios](https://appshunter.io/developer/6775574902) |

## What reviewers say

### Opcodes

[App page](https://appshunter.io/ios/app/opcodes-retro-cpu-reference/id6760205834)

This app provides a comprehensive reference for retro CPU opcodes, including detailed descriptions, assembly examples, and historical context. It covers eighteen iconic processors and offers features like search, sorting, and filtering for easy exploration of historical computing information.

**Highlights:** Opcode reference for 18 iconic processors, Detailed instruction descriptions, Hex, octal, decimal values, Flags affected, addressing modes, cycle counts, Assembly code examples, CPU history and pinout diagrams, Simple assembler/disassembler

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Coffee | $0.99 | one-time |


### Novex Academy

[App page](https://appshunter.io/ios/app/novex-academy/id6796179435)

Master market concepts with a structured curriculum of lessons, checkpoints, and practice exams. All content is available offline, and your learning progress is stored locally on your device. This app is for educational purposes only and does not facilitate financial transactions.

**Highlights:** Structured curriculum, Concise lessons, Checkpoints, Practice exam, Educational signal lab, Offline availability, Local learning record

**In-app purchases:** none


## Frequently asked questions

### Is Opcodes free?

Opcodes is free to download, with in-app purchases available.

### Is Novex Academy free?

Novex Academy is free to download, with no in-app purchases.

### Which has better reviews, Opcodes or Novex Academy?

Novex Academy is rated higher. Opcodes averages 4.8 out of 5 from 6 ratings, while Novex Academy averages 5.0 from 3 ratings.

### Do Opcodes or Novex Academy have ads?

Neither Opcodes nor Novex Academy shows ads.

---

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