# Digital Electronics+ vs Opcodes

The clearest difference is update cadence: Opcodes at every 8 days against Digital Electronics+'s every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Digital Electronics+ sells 6 in-app purchases, starting at $9.99 per month and Opcodes sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Digital Electronics+ ships an update every 6 months, Opcodes every 8 days. The most recent releases landed on September 11, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Digital Electronics+ | Opcodes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (6 ratings)](https://appshunter.io/ios/app/opcodes-retro-cpu-reference/id6760205834/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 8 days** |
| Monetization | — | Free |
| Size | 24 MB | 58 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [John Kennedy](https://appshunter.io/developer/284943103) |

## What reviewers say

### Digital Electronics+

[App page](https://appshunter.io/ios/app/digital-electronics-plus/id6747192806)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


### 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 |


## Frequently asked questions

### Is Digital Electronics+ free?

Digital Electronics+ is free to download, with in-app purchases available.

### Is Opcodes free?

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

### Do Digital Electronics+ or Opcodes have ads?

Neither Digital Electronics+ nor Opcodes shows ads.

### Which is updated more often, Digital Electronics+ or Opcodes?

Digital Electronics+ ships an update every 6 months, and Opcodes every 8 days. Most recently, Digital Electronics+ was updated on September 11, 2026 and Opcodes on September 20, 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.*