Comparison

Stacked AI vs xplAIned

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Stacked AI

Features
Read full description

AI Stack Builder is a visual, hands-on learning app designed to help adults and beginners understand how modern artificial intelligence systems actually work—from the computer basics all the way up to running real AI models. Most AI education jumps straight into coding or abstract math. This app takes a different approach: it teaches the entire AI stack, layer by layer, using clear explanations, interactive maps, and practical system-building exercises. What you’ll learn • How CPUs, GPUs, RAM, and VRAM work together • What operating systems, drivers, and runtimes actually do • How CUDA, libraries, and frameworks fit into the AI stack • How containers and Docker are used in real AI deployments • How models, tokens, embeddings, and inference work • Why things break—and how to reason about common errors Key features Visual Learning Map Progress through a node-based learning map that shows how concepts connect. Each lesson unlocks naturally as you build understanding from the ground up. Stack Builder (Interactive) Assemble AI systems by placing components in the correct order. Learn dependencies, fix broken stacks, and understand why certain setups work—or fail. Short, Focused Lessons Each lesson is designed to be completed in just a few minutes, making it easy to learn consistently without overwhelm. Plain-English Explanations Concepts are explained in clear, practical language—no advanced math required. Built-in Dictionary Look up common AI terms, abbreviations, file types, and tools, all explained in context and linked to where they sit in the stack. Progress Tracking Track completed lessons, learning streaks, and unlocked topics as you advance. Who this app is for • Adults transitioning into tech or AI • Students learning modern computing systems • Developers who want a clearer mental model of AI infrastructure • Anyone curious about how AI software and hardware work together No prior AI experience is required. AI Stack Builder focuses on understanding systems, not hype—helping learners build real intuition for how modern AI is structured and used in practice.

About

xplAIned

Features
Read full description

AI moves fast. xplAIned keeps you up to speed. Whether you're new to AI or deep in the weeds, xplAIned gives you a personal tutor in your pocket — one that actually knows what it's talking about and updates itself daily as the AI landscape shifts. ASK ANYTHING Got a question about AI? Just ask. Our built-in AI assistant answers in plain English — no jargon, no fluff. What's the difference between GPT-4o and Claude? Which model should I use for coding? What does "context window" actually mean? Ask away. EVERY MODEL, EXPLAINED Browse a complete, always-current encyclopedia of AI models from Anthropic, OpenAI, Google, Meta, xAI, and more. Real pricing, context windows, strengths, and what each model is actually best for — not marketing copy, real comparisons. LEARN THE CONCEPTS Clear, jargon-free articles on the concepts that matter: LLMs, RAG, fine-tuning, agents, embeddings, and more. Written for real people, not researchers. TAP TO EXPLAIN Long-press any paragraph while reading to get an instant AI breakdown tailored to your level. The fastest way to go from confused to got it. MODEL COMPARE Pick any two AI models and ask one question — get side-by-side answers so you can find the right tool for the job without the guesswork. PROMPT BUILDER Build powerful AI prompts in 3 steps. Choose a goal, add context, and walk away with a prompt ready to copy and use anywhere. PROMPTS LIBRARY A curated collection of ready-to-use prompts across every category — writing, coding, analysis, business, and more. Copy, customise, and go. SKILLS Practical, bite-sized guides for using AI in real life. From writing better prompts to building with APIs — skills that actually transfer. DAILY BRIEF Top AI stories summarised every morning, right on your home screen. Stay ahead without the noise. ALWAYS UP TO DATE New models drop, prices change, old models get retired. xplAIned refreshes its model database daily so you're never reading stale information. New model released today? It's in the app today. WHAT'S INCLUDED FREE • 3 AI questions per day • Full model encyclopedia • All learning articles • Skills library • Prompts library • Daily brief XPLAINED PRO • Unlimited AI questions • Tap to Explain • Model Compare • Prompt Builder • Pro prompts & skills • Everything updated daily • Monthly and annual options available • 3-day free trial — no charge until trial ends Cancel any time from iOS Settings. No hidden fees. AI changes everything. Stay ahead of it. Terms of Use: https://getxplained.com/terms Privacy Policy: https://getxplained.com/privacy

Screenshots

Stacked AI4 screens
xplAIned4 screens

Verdict

The call

The clearest difference is in-app purchases: Stacked AI at none against xplAIned's 2. Stacked AI also leads on update cadence (daily vs every 8 days) and device support (3 vs 1). On price and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. xplAIned sells 2 in-app purchases, starting at $3.99 per month. Stacked AI asks for nothing beyond the download.

UpkeepUpdate frequency

Stacked AI ships an update daily, xplAIned every 8 days. The most recent releases landed on September 18, 2026 and May 17, 2026 respectively.

Scorecard4 real differences · 2 level
Stacked AI versus xplAIned: the parameters behind the verdict, then further details
ParameterStacked AIxplAIned
PriceFreeFree
Update frequencyDaily — betterEvery 8 days
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size35 MB9 MB
Age rating4+4+
DeveloperDaniel CuevasJohnny Riddick

In-app purchases

None

Stacked AI

No in-app purchases

2 purchases

xplAIned

Subscriptions2
  • Monthly3 Days trial$3.991 Month
  • Annual3 Days trial$26.991 Year

Questions

Is Stacked AI free?
Stacked AI is free to download, with no in-app purchases.
Is xplAIned free?
xplAIned is free to download, with in-app purchases available.
Do Stacked AI or xplAIned have ads?
Neither Stacked AI nor xplAIned shows ads.
Which is updated more often, Stacked AI or xplAIned?
Stacked AI ships an update daily, and xplAIned every 8 days. Most recently, Stacked AI was updated on September 18, 2026 and xplAIned on May 17, 2026.

Other comparisons