Comparison

Locked In vs Write Hangul Alphabet

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

Head to head
About

Locked In

This app offers bite-sized lessons and practice questions for the CompTIA Cloud+ (CV0-004) exam. It features visual diagrams, flashcards, and mock exams designed for quick study sessions. Progress tracking and offline functionality are included.

Highlights
  • Bite-sized lessons for CV0-004 exam domains
  • Visual diagrams for key cloud concepts
  • 324 multiple-choice practice questions
  • Scenario-based questions (PBQs)
  • Timed mock exam
  • Flashcards with spaced repetition
  • Searchable glossary and progress tracking
Features
Read full description

Locked In is a bite-sized study companion for the CompTIA Cloud+ (CV0-004) exam. Built for people who study in 10-minute windows: on the train, on lunch, or between calls. Every lesson is short, focused, and ends with a quick-check so you know what stuck. WHAT'S INSIDE • All 6 CV0-004 exam domains and all 33 objectives, with one topic per objective numbered as CompTIA numbers it • 86 bite-sized lessons, each ending with a quick-check • Visual diagrams for selected cloud concepts, including service models, resilience, IaC, containers, IAM, encryption, and delivery pipelines • A practice bank of 431 multiple-choice questions, organized by domain and difficulty • 16 PBQ-style categorize, ordering, and matching activities built for this app • A 60-question, 90-minute timed practice set drawn in proportion to the exam's domain weights, with flag-for-review and a final review screen; it is not a full simulation of CompTIA's exam or item mix • A deck of 170 flashcards with SM-2 spaced repetition • Searchable glossary with 144 selected terms and acronyms • Progress tracking, streaks, bookmarks, and personal notes • Questions you miss go back into the spaced-repetition queue and return for review WHO IT'S FOR • Career changers studying Cloud+ alongside a day job • Students supplementing a course or boot camp • IT and ops staff moving toward cloud roles • Anyone who learns better in short, focused sessions than long lectures WHY LOCKED IN • Bundled lessons and practice work offline. No account, no tracking, no ads. App Store product loading, buying, and restoring require a network connection. • One-time unlock, no subscription • Written and maintained by an independent developer • Domains, weights, and objective numbers checked against CompTIA's CV0-004 exam objectives, version 5.0 ABOUT THE EXAM CompTIA launched CV0-004 on 24 September 2024. CompTIA expects to retire it around 2027 and has not announced a successor exam. THE 6 DOMAINS 1. Cloud Architecture 2. Deployment 3. Operations 4. Security 5. DevOps Fundamentals 6. Troubleshooting FREE TO TRY The deterministic free sampler contains 12 lessons, 12 practice questions, 24 flashcards, and 2 PBQ-style activities. The glossary can be searched by everyone; 30 of its 144 definitions are free, and the 114 that repeat a paid flashcard unlock with the purchase. A single one-time In-App Purchase unlocks the remaining lessons, the full 431-question practice bank, all flashcards, glossary definitions, and PBQ-style activities, and timed practice. PRIVACY Locked In stores your progress on-device. No analytics, no third-party SDKs, no data sold or shared. --- DISCLAIMER Not affiliated with, endorsed by, or sponsored by CompTIA. CompTIA® and Cloud+® are registered trademarks of CompTIA, Inc. Locked In is an independent study aid.

About

Write Hangul Alphabet

Features
Read full description

Learn to write the Hangul alphabet through guided handwriting practice. Write Hangul Alphabet is an educational app designed to help beginners develop confident Korean handwriting through structured tracing and repetition exercises. The app focuses on correct letter formation, stroke order, and writing accuracy to build strong writing habits from the start. Whether you are a student, parent, or self-learner, this app provides a calm and distraction-free way to practice writing Hangul letters clearly and confidently. Learn by Writing Writing by hand strengthens recognition and memory. With this app you can: - Practice Hangul letter tracing - Learn correct stroke order - Write Hangul letters from memory - Improve handwriting through repetition Each letter is presented clearly to support focused and consistent practice. Structured Alphabet Practice The Hangul alphabet is organized into progressive learning sets: - Basic consonants (자음) - Basic vowels (모음) - Double consonants - Compound vowels - Full Hangul alphabet review You can also practice individual Hangul letters at any time, making it suitable for short daily study sessions. Multiple Writing Modes Each letter includes different learning modes: Trace Mode — Follow the Hangul letter outline Guided Mode — Write with minimal visual support Memory Mode — Write independently without guidance This progression helps learners move from tracing to confident handwriting. Designed for Focus - Clean, distraction-free interface - Light and dark mode support - Calm, paper-like writing experience - Suitable for children and adults - No pop-ups or interruptions Privacy First - No account required - No ads - No tracking - No data collection All handwriting practice happens locally on your device. Who It Is For - Beginners learning the Hangul alphabet - Children learning to write Korean letters - Adults improving Hangul handwriting - Students learning Korean as a foreign language - Anyone preparing for Korean language study Build confidence in Hangul handwriting, one letter at a time.

Screenshots

Locked In4 screens
Write Hangul Alphabet4 screens

Verdict

The call

The clearest difference is price: Locked In at Free against Write Hangul Alphabet's $3.99. Write Hangul Alphabet's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs every 2 weeks). On ads and device support 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

Locked In is free to download; Write Hangul Alphabet costs $3.99 up front. Locked In sells 1 one-off in-app purchase. Write Hangul Alphabet asks for nothing beyond the download.

UpkeepUpdate frequency

Locked In ships an update every 2 weeks, Write Hangul Alphabet every 5 days. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

Scorecard4 real differences · 3 level
Locked In versus Write Hangul Alphabet: the parameters behind the verdict, then further details
ParameterLocked InWrite Hangul Alphabet
PriceFree — better$3.99
Update frequencyEvery 2 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size5 MB42 MB
Age rating9+4+
DeveloperOMAR DANIEL GRAZIANOJelmer van Nuss

In-app purchases

1 purchases

Locked In

One-time1
  • Locked In! Cloud+ Unlock$14.99
None

Write Hangul Alphabet

No in-app purchases

Questions

Is Locked In free?
Locked In is free to download, with in-app purchases available.
Is Write Hangul Alphabet free?
Write Hangul Alphabet costs $3.99, with no in-app purchases.
Do Locked In or Write Hangul Alphabet have ads?
Neither Locked In nor Write Hangul Alphabet shows ads.
Which is updated more often, Locked In or Write Hangul Alphabet?
Locked In ships an update every 2 weeks, and Write Hangul Alphabet every 5 days. Most recently, Locked In was updated on October 25, 2026 and Write Hangul Alphabet on October 21, 2026.

Other comparisons