Best Dec Opcodes Apps & Games

250+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated September 2026

With an average user rating of 4.6★, the dec opcodes category is one of the App Store's strongest. Browse all 250+ apps and games we track, sorted so the most loved ones surface first.

Compare top Dec Opcodes Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1DEC OpcodesDEC OpcodesFree5.0★ (3)NoYesJul 2026
2Opcodes - retro CPU referenceOpcodes - retro CPU referenceFree4.8★ (6)NoYesSep 2026
3CMD: SSH, Terminal, DOS, PingCMD: SSH, Terminal, DOS, PingFree5.0★ (76)YesNoSep 2026
4Digital Program MasterDigital Program MasterFree—NoNoSep 2026
5Numerical³Numerical³Free4.8★ (1.3K)NoNoSep 2026
6AI Architecture RenderAI Architecture RenderFree——NoAug 2026
7LocalMind: Ollama & LM StudioLocalMind: Ollama & LM StudioFree4.7★ (6)NoNoSep 2026
8Subnet Plus: Subnet CalculatorSubnet Plus: Subnet CalculatorFree4.6★ (54)YesYesSep 2026

Top Picks for Dec Opcodes

DEC Opcodes#1

DEC Opcodes by John Kennedy

Reference for DEC computers
Editor's Choice
📚 Education
5.0(3 ratings)
FreeIn-App Purchases
DEC Opcodes screenshot 1
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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.

Opcodes - retro CPU reference#2

Opcodes - retro CPU reference by John Kennedy

Decades of nerd knowledge
Strong Contender
📚 Education
4.8(6 ratings)
FreeIn-App Purchases
Opcodes - retro CPU reference screenshot 1
Opcodes - retro CPU reference screenshot 2
Opcodes - retro CPU reference screenshot 3
Opcodes - retro CPU reference screenshot 4
Opcodes - retro CPU reference screenshot 5
Opcodes - retro CPU reference screenshot 6

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.

More Dec Opcodes apps to explore

FAQ about Dec Opcodes

What are the best dec opcodes apps & games for iPhone?
DEC Opcodes tops our dec opcodes apps & games ranking as of September 2026, with a 5.0-star average from 3 App Store ratings, and it's free to download.
Yes — 20 of the top dec opcodes apps & games we rank are free to download, including DEC Opcodes and Opcodes - retro CPU reference.
DEC Opcodes has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ dec opcodes apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
DEC Opcodes covers five iconic DEC architectures: PDP-1 (1960), PDP-8 (1965), PDP-10 (1966), PDP-11 (1970), and VAX (1977). It provides detailed instruction sets, system specifications, and historical context for each.
For every instruction, DEC Opcodes offers a full description, octal and hex encoding, flags affected, addressing modes, word count, cycle counts, and assembly code examples. It also includes implementation notes and historical context.