# Kim6502 vs DEC Opcodes

Kim6502 and DEC Opcodes are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Kim6502 sells 1 in-app purchase, starting at $5.99 per year and DEC Opcodes sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Kim6502 | DEC Opcodes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/dec-opcodes/id6760246055/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 8 days |
| Monetization | — | Free |
| Size | 1 MB | 42 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michael Herman](https://appshunter.io/developer/1674431432) | [John Kennedy](https://appshunter.io/developer/284943103) |

## What reviewers say

### Kim6502

[App page](https://appshunter.io/ios/app/kim6502/id6745513214)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kim6502 annual subscription | $5.99 | per year |


### DEC Opcodes

[App page](https://appshunter.io/ios/app/dec-opcodes/id6760246055)

Explore the instruction sets of legendary DEC computers like the PDP and VAX. This app provides detailed information on each instruction, historical context, and interactive lessons. Discover the machines that shaped modern computing.

**Highlights:** Instruction set reference, Historical context and photos, System specifications, Interactive assembly lessons, Search and filtering, Customizable themes, Simple assembler

**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 Kim6502 free?

Kim6502 is free to download, with in-app purchases available.

### Is DEC Opcodes free?

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

### Do Kim6502 or DEC Opcodes have ads?

Neither Kim6502 nor DEC Opcodes shows ads.

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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.*