Comparison

Grammar Express vs Self Learn Korean

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

Head to head
About

Grammar Express

Master English grammar with interactive lessons and quizzes focused on sentence transformation. Improve your writing by learning to express ideas in various grammatical forms. Features include detailed results, progress tracking, and customizable timers.

Highlights
  • 26+ pages of grammar lessons
  • 300+ multiple-choice questions
  • Detailed test results with explanations
  • Progress tracking with pie charts
  • Customizable timer settings
  • Voice over support
Features
Read full description

Grammar Express: Degrees is the complete course in mastering the use of variety of expressions in writing English. It contains over 26 pages of lessons explaining how to change a sentence from one grammatical form into another without changing its meaning with several examples. Its a valuable exercise for it teaches you how to introduce variety in writing English. You can learn the grammar rules, study the examples and test their understanding by taking quiz. At the end of quiz the user is presented with test summery and explanation for each test question. Grammar Express can help you to improve your understanding of Degrees and make use of them in your writing for greater effect. Custom timer setting can assist you to improve response times under exam time constraints. Research suggest that kids and adults learn most quickly when playing learning games with real-time error-feedback. Grammar Express provides learners with an opportunity to improve strategies for grammar success. ~~~~~~~~~~~~~~~ PREPARE BY TOPICS: ~~~~~~~~~~~~~~~ You can study the grammar rules by topic. All questions are sorted by topic. It also tells you the areas that each topic covers. 1. Interchange of Positive and Comparative 2. Interchange of Comparative and Positive 3. Interchange of Superlative into Comparative and Positive ~~~~~~~~~~~~~~~ MOCK TEST MODE: ~~~~~~~~~~~~~~~ In mock test questions are presented randomly from all the topics. ~~~~~~~~~~~~~~~ DETAILED TEST RESULTS: ~~~~~~~~~~~~~~~ A summary of the practice test is presented at the end of each test. It shows you the time you took, the score, which questions you answered correctly and where you were wrong. And yes, you can E-MAIL the results. ~~~~~~~~~~~~~~~ PROGRESS METER: ~~~~~~~~~~~~~~~ The app records your progress as you start giving practice tests. It shows you a beautiful bar chart so that you can track your weak areas and give more focus on them. ~~~~~~~~~~~~~~~ VERY EASY TO USE: ~~~~~~~~~~~~~~~ The slick user interface allows you to choose from possible answers. You don’t need to press too many buttons or encounter any alert messages. The app is very interactive and needs minimum user input Innovative use of iPhone’s small screen real estate. ~~~~~~~~~~~~~~~ FEATURE LIST: ~~~~~~~~~~~~~~~ • Voice over • Over 26 pages of grammar lessons and rules with over 102 examples. • Over 300 multiple -choice questions with explanation. • Choose number of questions you would like in each test. • A new module, “Pie chart” keeps track of how you are performing in a particular topic or mock test. • Choose your own timer settings. • Cool sound effects. (You can turn them off if desired.) • Special algorithm that randomizes questions every time you take a test. * Privacy Policy: http://www.webrichsoftware.com/privacy.html * EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Self Learn Korean

This app helps beginners learn realistic Korean Hangul for real-life situations. It focuses on understanding different tones, from business formal to slang, using a color-coded system. Future updates will expand content to include travel, culture, and everyday conversations.

Highlights
  • Realistic Hangul for beginners
  • Focus on real Korean tones
  • Color-coded tone system
  • Real-life expressions and conversations
  • Future updates planned
Features
Read full description

Learn REALISTIC Hangul for REAL SITUATION as a beginner level! -Focus on real “tone” in Korean: business formal, business friendly, buddy-to-buddy, slang, and more -Color-coded tone system so you can feel how the same word changes by situation -Planned future updates to add more real-life expressions and conversations Future direction: The long-term goal of this app is to move from basic reading into everyday Korean, including travel, culture, etiquette, transportation, proverbs, and emergency situations. These topics will be added gradually through future updates. If you want a focused, beginner-friendly way to read Korean letters and get ready for real-life tones and expressions, Self Learn Korean is for you.

Screenshots

Grammar Express4 screens
Self Learn Korean4 screens

Verdict

The call

The clearest difference is rating: Self Learn Korean at 5.0 against Grammar Express's 4.5. Self Learn Korean also leads on in-app purchases (none vs 2) and update cadence (daily vs every 13 months). Grammar Express's advantage is ads (none vs shown). On price, ratings volume, device support and iOS requirement 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. Grammar Express sells 2 in-app purchases, starting at $0.99 per month. Self Learn Korean asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Self Learn Korean holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Grammar Express ships an update every 13 months, Self Learn Korean daily. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
Grammar Express versus Self Learn Korean: the parameters behind the verdict, then further details
ParameterGrammar ExpressSelf Learn Korean
PriceFreeFree
Rating4.5 (2 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings2 — better1
Update frequencyEvery 13 monthsDaily — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size8 MB35 MB
Age rating+49+
DeveloperWebrich Software LimitedJiwoo HYUL

Customer experience

Grammar Express

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Self Learn Korean

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Grammar Express

Subscriptions2
  • Full Question Bank$0.991 Month
  • Full Question Bank$7.991 Year
None

Self Learn Korean

No in-app purchases

Questions

Is Grammar Express free?
Grammar Express is free to download, with in-app purchases available.
Is Self Learn Korean free?
Self Learn Korean is free to download, with no in-app purchases.
Which has better reviews, Grammar Express or Self Learn Korean?
Self Learn Korean is rated higher. Grammar Express averages 4.5 out of 5 from 2 ratings, while Self Learn Korean averages 5.0 from 1 ratings.
Do Grammar Express or Self Learn Korean have ads?
Self Learn Korean shows ads; Grammar Express does not.
Which is updated more often, Grammar Express or Self Learn Korean?
Grammar Express ships an update every 13 months, and Self Learn Korean daily. Most recently, Grammar Express was updated on November 1, 2026 and Self Learn Korean on October 30, 2026.

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