Comparison

SimStack Lite vs HOW TO // AI

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

Head to head
About

SimStack Lite

Interactive simulations help tech professionals develop critical decision-making skills for Agile, DevOps, and AI roles. Practice real-world scenarios involving team dynamics, project risks, and prioritization to build practical leadership abilities.

Highlights
  • Agile role simulations
  • DevOps workflow practice
  • AI product management scenarios
  • Scrum Master decision making
  • Product Owner prioritization
  • AI governance concepts
  • Workplace conflict resolution
Features
Read full description

SimStack Lite helps tech professionals build real-world decision-making skills through interactive Agile, DevOps, Product, TPM, and AI role simulations. Practice workplace scenarios across Scrum Master, Product Owner, Release Train Engineer, DevOps, AI Product Manager, AI Program Manager, and emerging AI operations roles. Instead of only studying terms or theory, SimStack Lite helps you practice how to respond to real situations involving team conflict, delivery risk, stakeholder pressure, sprint planning, product prioritization, AI workflow orchestration, AI governance, agent collaboration, enterprise AI operations, and modern technology execution. Inside SimStack Lite, you can explore: • Agile role simulations • Scrum Master scenarios • Product Owner decision practice • Release Train Engineer scenarios • DevOps workflow simulations • AI Product Manager practice • AI Program Manager scenarios • Agentic AI Operations concepts • AI workflow orchestration scenarios • Multi-agent system decision simulations • Human-in-the-loop AI workflows • AI governance and escalation concepts • AI operational readiness exercises • Role readiness assessments • Leadership and workplace decision exercises • AI and tech leadership knowledge content Practice scenarios involving: • AI workflow orchestration • Stakeholder conflict • Product prioritization • Enterprise AI transformation • AI governance decisions • Human + AI collaboration • AI escalation workflows • Agile delivery execution • DevOps coordination • Multi-agent operational systems SimStack Lite is designed for: • Scrum Masters • Product Owners • Product Managers • Technical Program Managers • Release Train Engineers • DevOps professionals • Agile leaders • AI product and program professionals • AI operations professionals • Enterprise transformation teams • Career switchers entering modern tech roles Build the skills modern tech leadership roles actually require through practical, scenario-based learning. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://simstackai.com/privacy

About

HOW TO // AI

Prepare for AI and cloud certification exams with extensive practice questions and AI-powered explanations. Track your progress and identify weak areas for effective study. Offers offline practice and mock exams to simulate real test conditions.

Highlights
  • 3,301 original practice questions
  • Blueprint-weighted question weighting
  • Plain-English rationale for each question
  • Offline practice mode
  • AI tutor for explanations
  • Timed mock exams
  • Weak-area drills and spaced repetition
Features
Read full description

Walk into your AI or cloud certification exam ready, not guessing. HOW TO // AI — CERT gives you 5,126 original, blueprint-weighted practice questions for 16 exams across 15 certifications, each with a plain-English rationale that teaches the concept, not just the answer. Practice offline, track your readiness, and get unstuck with an AI tutor that explains anything you miss. CERTIFICATIONS • NVIDIA NCA-AIIO: AI Infrastructure & Operations • NVIDIA NCA-GENL: Generative AI & LLMs • AWS Certified AI Practitioner (AIF-C01) • AWS Machine Learning Engineer – Associate (MLA-C01) • AWS Machine Learning Engineer – Associate (MLA-C02) • Microsoft Azure AI Fundamentals (AI-901) • Microsoft Azure AI Apps & Agents Developer (AI-103) • VMware Cloud Foundation Administrator (VCP-VCF) • CompTIA AI Fundamentals • CertNexus Certified AI Practitioner (AIP-210) • Google Cloud Generative AI Leader • Oracle Cloud Infrastructure AI Foundations • Anthropic CCAO-F (Claude Certified Associate: Foundations) • Anthropic CCDV-F (Claude Certified Developer: Foundations) • Anthropic CCAR-F (Claude Certified Architect: Foundations) • Anthropic CCAR-P (Claude Certified Architect: Professional) HOW IT WORKS • Quick 10, sets of 25, endless, and custom-by-domain practice • Full-length timed mock exams that mirror exam day • Weak-area drills + spaced-repetition review that resurfaces what you miss • A blueprint-weighted readiness score that tells you when you're actually ready • Flashcards, study guides, cheat sheets, and a full glossary per exam • AI Tutor (powered by Claude): deeper explanations and follow-up Q&A • Daily Question of the Day + streaks to keep the habit • A shareable readiness certificate when you ace three timed mocks FREE TO START Every exam includes a free sample set and full local stats. Go Pro for the entire bank, all modes, the AI tutor, and every cert we add. One subscription covers everything ($11.99/month or $39.99/year). All questions are 100% original, written from the public exam objectives. No brain dumps, not real exam items. HOW TO // AI — CERT is an independent study platform and is not affiliated with or endorsed by Anthropic, NVIDIA, AWS, Microsoft, VMware, CompTIA, CertNexus, Google, or Oracle. Trademarks are used only to identify the exam each set prepares you for. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://howtoai.com/cert-privacy/

Screenshots

SimStack Lite4 screens
HOW TO // AI4 screens

Verdict

The call

The clearest difference is update cadence: HOW TO // AI at every 4 days against SimStack Lite's every 6 weeks. SimStack Lite's advantage is iOS requirement (15.1 vs 17.0). On price, rating, review sentiment and ratings volume 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. SimStack Lite sells 2 in-app purchases, starting at $19.99 per month and HOW TO // AI sells 2 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for SimStack Lite against 5.0 for HOW TO // AI. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

SimStack Lite ships an update every 6 weeks, HOW TO // AI every 4 days. The most recent releases landed on July 23, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 8 level
SimStack Lite versus HOW TO // AI: the parameters behind the verdict, then further details
ParameterSimStack LiteHOW TO // AI
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 6 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size62 MB9 MB
Age rating4+4+
DeveloperJasmine DosterBlue Ocean Water Inc

Customer experience

SimStack Lite

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

HOW TO // AI

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

SimStack Lite

Subscriptions2
  • SimStack Pro Monthly7 Days trial$19.991 Month
  • SimStack Pro Annual7 Days trial$149.991 Year
2 purchases

HOW TO // AI

Subscriptions2
  • Pro — Monthly$11.991 Month
  • Pro — Annual$39.991 Year

Questions

Is SimStack Lite free?
SimStack Lite is free to download, with in-app purchases available.
Is HOW TO // AI free?
HOW TO // AI is free to download, with in-app purchases available.
Which has better reviews, SimStack Lite or HOW TO // AI?
SimStack Lite and HOW TO // AI are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do SimStack Lite or HOW TO // AI have ads?
Neither SimStack Lite nor HOW TO // AI shows ads.
Which is updated more often, SimStack Lite or HOW TO // AI?
SimStack Lite ships an update every 6 weeks, and HOW TO // AI every 4 days. Most recently, SimStack Lite was updated on July 23, 2026 and HOW TO // AI on September 20, 2026.

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