Comparison

Patchim Training vs Bootstrap Korean Grammar

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

Head to head
About

Patchim Training

Learn Korean in just 3 minutes a day with this app. It offers diverse question styles, including words, sentences, and illustrations, to help you master the language. Collect food cards and complete recipes as you progress.

Highlights
  • 3-minute daily lessons
  • Varied question formats
  • Word and sentence learning
  • Illustration-based questions
  • Collectable food cards
  • Recipe completion feature
Features
Read full description

I want to understand the meaning of the Korean Idol's tweets! And I want to eat delicious Korean food! For such myself , I made ​​the learn Korean App. [3min learn] One play needs only 3 minutes. You can continue to learn everyday. [various question style] Words, sentences, illustrations. Various question makes you able to master Korean. [Collect Recipe!] You can get a food card after studying. Collect the food cards, please complete the recipes.

About

Bootstrap Korean Grammar

Master Korean grammar with a step-by-step approach. This app offers 185 grammar topics and over 3200 audio examples to build your communication skills. Interactive exercises and a personal study list enhance learning.

Highlights
  • 185 grammar topics
  • 3200+ audio examples
  • Step-by-step learning
  • Interactive exercises
  • Personal study list
  • Companion book integration
Features
Read full description

Finally understand Korean grammar - one small step at a time. • 185 topics, from your first sentence to honorifics and reported speech • 3,200+ examples, each with native-speaker audio • Exercises and spaced repetition for every topic • A "Why?" explanation when you make a mistake Packed with 185 Korean grammar topics and over 3,200 annotated native-speaker audio examples, *Bootstrap Korean Grammar* is a proven grammar-based approach that gets you communicating in Korean precisely and with confidence. FREE TO TRY: The first 10 topics free. Unlock all 185 with one purchase. A lifetime purchase - NO subscription. * 'Bootstrap Korean Grammar' provides the solid grounding in grammar basics that is the key to mastering Korean as a second language. * Grammatical rules and concepts are clearly explained in order. Each topic builds on the last - step-by-step. * Hundreds of new words are introduced with clear contextual meanings alongside the grammar to help learners quickly build their Korean speaking and comprehension prowess. STEP-BY-STEP TOPICS: Starting from the beginning, the idea is progress in small self-contained steps (called 'topics'). Each topic builds on the last, by incrementally adding new grammatical patterns, new vocabulary and lots and lots of useful examples - from the topic and subject markers 은/는 and 이/가, through tenses and particles, to causatives, honorifics and the formal 습니다 style. 3,200 EXAMPLE PHRASES: Each topic includes a thorough explanation of the grammar and then lots of examples that illustrate the grammar. Each example includes an English translation, as well as notes highlighting how each example illustrates that topic's grammar, as well as the meanings of new Korean words. INTERACTIVE EXERCISES: Once you have understood a grammar topic, you can immerse yourself in interactive drills designed for effective learning. Practice Korean grammar with engaging exercises for rapid improvement. Make a mistake with the topic's grammar and a short "Why?" explanation shows you what the right answer is - and why. STUDY LIST: The app now includes an integrated personal study list feature that streamlines your learning process -- improve your focus and achieve better results in your studies. THE COMPANION BOOK: The companion book is available called "Bootstrap Korean Grammar". The book includes all 185 grammar topics and over 3,200 example phrases from this app. -- Just search for "Bootstrap Korean Grammar" on Amazon. -- The book and mobile app are easy to coordinate using QR codes. Just scan the QR code at the beginning of any chapter in the book with the app and it will take you straight to the topic where you will find all the examples with the high-quality audio matching the chapter in the book. -- So if you prefer to have the grammar set out in book form but would also like to be able to listen to the example sentences, then the book/app combination is perfect for you.

Screenshots

Patchim Training4 screens
Bootstrap Korean Grammar4 screens

Verdict

The call

The clearest difference is review sentiment: Patchim Training at 80% against Bootstrap Korean Grammar's 33%. Patchim Training also leads on rating (4.7 vs 3.5) and ratings volume (136 vs 4). Bootstrap Korean Grammar's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, in-app purchases 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

Both are free to download. Patchim Training sells 1 one-off in-app purchase and Bootstrap Korean Grammar sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Patchim Training holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: Patchim Training has 136 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 80% of Patchim Training's written reviews are positive against 33% of Bootstrap Korean Grammar's.

UpkeepUpdate frequency

Patchim Training ships an update every 4 weeks, Bootstrap Korean Grammar every 9 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Patchim Training versus Bootstrap Korean Grammar: the parameters behind the verdict, then further details
ParameterPatchim TrainingBootstrap Korean Grammar
PriceFreeFree
Rating4.7 (136 ratings) — better3.5 (4 ratings)
Positive reviews80.2% of reviews — better33.3% of reviews
Number of ratings136 — better4
Update frequencyEvery 4 weeksEvery 9 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13 — better15.6
Further details — not scored
Size367 MB38 MB
Age rating4+4+
DeveloperHIKARI NAKASHIMADeclan Software Ltd

Customer experience

Patchim Training

All ratings136 ratings
Positive94.1%
Neutral1.5%
Negative4.4%
Written reviews126 reviews
Positive80.2%
Neutral5.6%
Negative14.3%

Bootstrap Korean Grammar

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

Bugs and requests

Patchim Training

Reported bugs

15 issues
  • Sound cuts out or disappears
  • App freezes or becomes unresponsive
  • Ads block screen and prevent usage
  • Typing training response is poor
  • Incorrect pronunciation or readings
Show 10 more
  • Progress indicators are inaccurate
  • Tap targets are difficult to hit
  • Keyboard consistently pops up
  • Audio not working after ad or in silent mode
  • Recipes not received
  • Issues with audio after watching ads
  • App crashes during evaluation
  • Progress indicators are incorrect
  • Tap targets are inconsistent
  • Incorrect spelling in content

Requested features

8 requests
  • More poolcore/dreamcore games
  • Option to disable miss sound in typing
  • Pen support for Apple Pencil
  • Tips for special characters/vowels
  • Adjust frequency of recipe card rewards
Show 3 more
  • Option to learn compound vowels
  • More vocabulary and grammar for higher levels
  • Japanese language version

Bootstrap Korean Grammar

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Patchim Training

One-time1
  • To hide ad$8.99
1 purchases

Bootstrap Korean Grammar

One-time1
  • Unlock All Korean Topics$34.99

Questions

Is Patchim Training free?
Patchim Training is free to download, with in-app purchases available.
Is Bootstrap Korean Grammar free?
Bootstrap Korean Grammar is free to download, with in-app purchases available.
Which has better reviews, Patchim Training or Bootstrap Korean Grammar?
Patchim Training is rated higher. Patchim Training averages 4.7 out of 5 from 136 ratings, while Bootstrap Korean Grammar averages 3.5 from 4 ratings.
Do Patchim Training or Bootstrap Korean Grammar have ads?
Patchim Training shows ads; Bootstrap Korean Grammar does not.
Which is updated more often, Patchim Training or Bootstrap Korean Grammar?
Patchim Training ships an update every 4 weeks, and Bootstrap Korean Grammar every 9 days. Most recently, Patchim Training was updated on October 29, 2026 and Bootstrap Korean Grammar on October 24, 2026.

Other comparisons