Comparison

SOLID Architecture vs PhlashCards Security Test Prep

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

Head to head
About

SOLID Architecture

Features
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Learning SOLID is an educational app focused on software architecture and development best practices. The goal of the app is to teach SOLID principles in a clear, practical, and applicable way for everyday development. The content is organized into modules, with one module dedicated to each SOLID principle. Each module combines theoretical explanations, real world examples inspired by professional scenarios, and practical exercises to reinforce learning. The app was designed for those who want to understand not only the concept, but also how to apply SOLID in real projects. The examples show tightly coupled code, common maintenance problems, and how to refactor into cleaner and more scalable solutions. In the practical section, users interact with a simple and intuitive interface, allowing them to practice concepts without needing to type code. This enables full focus on architectural thinking and understanding the responsibilities of each class or component. Main features of the app: Clear and objective explanation of all SOLID principles A complete module for each letter of SOLID Real world examples based on market problems Practical and interactive exercises Comparison between incorrect code and refactored code Content focused on architecture and best practices Simple interface for distraction free learning Learning SOLID is recommended for students, beginner developers, and professionals who want to strengthen architectural concepts, write cleaner code, and build systems that are easier to maintain and evolve.

About

PhlashCards Security Test Prep

Features
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Master Your Cybersecurity Certification with PhlashCards Pass your CompTIA Security+, CompTIA PenTest+, CompTIA SecAI+, or ISC2 CISSP certification exam with confidence. PhlashCards is the complete study companion for cybersecurity professionals, featuring thousands of flashcards, practice quiz questions, and full-length practice exams. CERTIFICATION EXAM PREP MADE SIMPLE Choose your certification path and start studying immediately: • CompTIA Security+ (SY0-701) • CompTIA PenTest+ (PT0-002) • CompTIA SecAI+ • ISC2 CISSP POWERFUL STUDY FEATURES Interactive Flashcards Master key concepts with swipe-based flashcards covering every exam domain. Track your accuracy, build study streaks, and focus on weak areas with domain-specific filtering. Practice Quiz Sessions Test your knowledge with realistic multiple-choice questions. Get instant feedback, review incorrect answers with detailed explanations, and track performance across all certification domains. Full-Length Practice Exams Simulate the real exam experience with timed practice tests that mirror actual certification exams: • Authentic question counts and time limits • Domain-weighted question distribution • Comprehensive performance analytics • Exam history tracking STUDY SMARTER WITH ADVANCED TRACKING • Domain-level performance breakdowns • Study streak and milestone tracking • Detailed accuracy metrics • Progress visualization across all study modes • Personalized weak area identification TRY BEFORE YOU BUY Start with free sample content for any certification: • 50 free flashcards per certification • 50 free deep dive explanations per certification • 50 free quiz questions per certification • 50 free exam questions per certification Upgrade to premium when you're ready for complete exam coverage with thousands of questions and flashcards. DESIGNED FOR EXAM SUCCESS Every question and flashcard is carefully crafted to match official exam objectives. Study materials cover all domains including: Security+ Topics: General Security Concepts, Threats, Security Architecture, Security Operations, Security Program Management PenTest+ Topics: Planning and Scoping, Information Gathering, Vulnerability Scanning, Attacks and Exploits, Reporting, Tools and Code Analysis CISSP Topics: Security and Risk Management, Asset Security, Security Architecture, Network Security, Identity and Access Management, Security Assessment, Security Operations, Software Development Security SecAI+ Topics: AI Security Fundamentals, AI Threats and Vulnerabilities, AI Security Architecture, AI Operations, AI Governance and Compliance PREMIUM FEATURES • All flashcards for your certification • Complete quiz question bank • Full-length practice exams • Deep dive explanations of flashcards • Domain performance analytics • Progress tracking and study insights • One-time purchase, lifetime access • No subscriptions, no recurring fees PERFECT FOR: • IT professionals preparing for certification exams • Career changers entering cybersecurity • Students studying information security • Security analysts advancing their credentials • Anyone serious about passing their certification exam on the first try STUDY ANYWHERE, ANYTIME • Offline access to all study materials • Dark mode support • Clean, distraction-free interface • Haptic feedback and sound effects • Optimized for all iPhone sizes YOUR SUCCESS IS OUR MISSION Whether you're earning your first CompTIA Security+ certification or tackling the challenging CISSP exam, PhlashCards provides the comprehensive study tools you need to succeed. Download PhlashCards today and start your journey to certification success! CompTIA Security+, Pentest+, and SecA+ are registered trademarks of CompTIA. CISSP is registered trademark of ISC2. Phlashcards is not affiliated with or endorsed by CompTIA or ISC2. All content is independently developed and original, created for educational and practice purposes only.

Screenshots

SOLID Architecture4 screens
PhlashCards Security Test Prep4 screens

Verdict

The call

The clearest difference is update cadence: SOLID Architecture at every 9 days against PhlashCards Security Test Prep's every 3 months. SOLID Architecture also leads on iOS requirement (13.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. SOLID Architecture sells 3 one-off in-app purchases and PhlashCards Security Test Prep sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SOLID Architecture ships an update every 9 days, PhlashCards Security Test Prep every 3 months. The most recent releases landed on September 16, 2026 and September 6, 2026 respectively.

Scorecard2 real differences Ā· 4 level
SOLID Architecture versus PhlashCards Security Test Prep: the parameters behind the verdict, then further details
ParameterSOLID ArchitecturePhlashCards Security Test Prep
PriceFreeFree
Update frequencyEvery 9 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better18.6
Further details — not scored
Size94 MB64 MB
Age rating4+4+
DeveloperAirton Siqueira de FreitasHodge Podgin LLC

In-app purchases

3 purchases

SOLID Architecture

One-time3
  • CERTIFICATE OF COMPLETION$2.99
  • Premium access$4.99
  • FULL PASS ALL APPS$17.99
4 purchases

PhlashCards Security Test Prep

One-time4
  • Security+ Premium$14.99
  • Pentest+ Premium$14.99
  • SecAI+ Premium$19.99
Show 1 more
  • CISSP Premium$19.99

Questions

Is SOLID Architecture free?
SOLID Architecture is free to download, with in-app purchases available.
Is PhlashCards Security Test Prep free?
PhlashCards Security Test Prep is free to download, with in-app purchases available.
Do SOLID Architecture or PhlashCards Security Test Prep have ads?
Neither SOLID Architecture nor PhlashCards Security Test Prep shows ads.
Which is updated more often, SOLID Architecture or PhlashCards Security Test Prep?
SOLID Architecture ships an update every 9 days, and PhlashCards Security Test Prep every 3 months. Most recently, SOLID Architecture was updated on September 16, 2026 and PhlashCards Security Test Prep on September 6, 2026.

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