Comparison

King Sejong Keyboard vs SYKeyboard

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

Head to head
About

King Sejong Keyboard

Experience a faster, more accurate typing experience with a customizable keyboard. Design your layout, choose colors and fonts, and utilize quick-type features for increased productivity. It prioritizes user privacy and offers a smart typing solution.

Highlights
  • Shift-less keyboard layout
  • Customizable key layouts and screen settings
  • Personalized colors and fonts
  • QuickType settings for rapid access
  • Save favorite texts and images
  • Multi-language support with Korean layouts
Read full description

King Sejong Keyboard never collects your personal or sensitive information. Experience a new, faster way to type on your mobile keyboard without the need for the shift key with the King Sejong Keyboard! It offers professional-grade typing, accurate input, fast typing, and the freedom to design according to your personality. King Sejong Keyboard offers a variety of keyboard arrangements, customizable key layouts, screen layout settings, favorite images, favorite texts, and more to customize your typing experience for different environments and personalities. Common problems with traditional mobile keyboards include typing errors and double entries, slow typing, keyboard freezes, and some mobile keyboards auto-correct typing errors and convert them into unintended words. These issues often slowed down productivity and caused stress when typing. However, King Sejong Keyboard has researched and reflected the latest technologies, trends, and cognitive engineering techniques to ensure accurate input, and it can increase productivity by providing a customized experience with fast input speed and various functions. In addition, it can be used as a keyboard that meets the user's preferences through various designs and optional features. Experience a smart typing experience in the age of AI with King Sejong Keyboard. [Key Features] - King Sejong Keyboard Layout King Sejong Keyboard is a shift-less keyboard. It provides a more intuitive and faster keyboard layout and a variety of keyboard layouts that can be easily used in various cognitive structures and environments, providing users with a new, future-proof keyboard. - Language settings You can set the primary and secondary language to customize your experience. We offer 5 different keyboard layouts in Korean, so you can choose the one that suits your needs. - Screen layout - You can set the position of the primary language on the right or left when using landscape mode, making it convenient for both right and left-handed users. - Colors and fonts The keyboard color offers eight default colors, and you can customize the background color of the keyboard and button colors to suit your mood. You can also specify a bold font weight to give your keyboard a sharper look. - QuickType settings The quick keyboard setting function provides a convenient patented technology that allows you to easily access frequently used characters through the left and right sliding function by adding numbers + desired symbols, emoji, and diacritic in the place of the default number for quick typing. - Favorite text and images - This is an innovative feature that allows you to pre-register frequently used addresses, account numbers, phone numbers, and images to enter sentences with just one touch when typing. This is a very useful feature that is perfect for a lifestyle that involves various deliveries, transfers, and contact exchanges these days. [Official website] http://www.kingsejong.net

About

SYKeyboard

This keyboard app offers multiple layouts for English and Korean typing, including QWERTY, Naratgeul, Cheonjiin, and Dubeolsik. It features a built-in numeric keypad, one-handed mode, and predictive text with extensive customization options for key repeat, cursor movement, and keyboard dimensions.

Highlights
  • English QWERTY keyboard
  • Multiple Korean keyboard layouts
  • Built-in numeric keypad
  • One-handed typing mode
  • Predictive text
  • Customizable keyboard settings
Read full description

SYKeyboard, a handy Keyboard App Key Features - English QWERTY Keyboard - Korean Naratgeul Keyboard - Korean Cheonjiin Keyboard - Korean Dubeolsik Keyboard - Built-In Numeric Keypad - One-Handed Keyboard Mode - Predictive Text - Many Detailed Keyboard Settings (Key Repeat, Cursor Movement, Keyboard Height and One-Handed Keyboard Width Adjustment, etc.)

Screenshots

King Sejong Keyboard4 screens
SYKeyboard4 screens

Verdict

The call

The clearest difference is price: SYKeyboard at Free against King Sejong Keyboard's $27.00. SYKeyboard also leads on update cadence (every 3 days vs fortnightly). On review sentiment, ads, in-app purchases and device support there is nothing between them.

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

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

SYKeyboard is free to download; King Sejong Keyboard costs $27.00 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

King Sejong Keyboard ships an update fortnightly, SYKeyboard every 3 days. The most recent releases landed on July 5, 2026 and June 4, 2026 respectively.

Scorecard3 real differences Β· 5 level
King Sejong Keyboard versus SYKeyboard: the parameters behind the verdict, then further details
ParameterKing Sejong KeyboardSYKeyboard
Price$27.00Free β€” better
Positive reviews100.0% of reviews100.0% of reviews
Update frequencyFortnightlyEvery 3 days β€” better
AdsYesYes
In-app purchasesNoNo
MonetizationPaidAd-supported β€” better
DevicesiPhone, iPod β€” betteriPhone
Requires iOS15.6 β€” better16.0
Further details β€” not scored
Size67 MB17 MB
Age rating4+4+
DeveloperTeraBaTek Co., LtdDongHwan Seo

Customer experience

King Sejong Keyboard

Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SYKeyboard

Written reviews12 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

King Sejong Keyboard

No in-app purchases

None

SYKeyboard

No in-app purchases

Questions

Is King Sejong Keyboard free?
King Sejong Keyboard costs $27.00, with no in-app purchases.
Is SYKeyboard free?
SYKeyboard is free to download, with no in-app purchases.
Do King Sejong Keyboard or SYKeyboard have ads?
Both King Sejong Keyboard and SYKeyboard show ads.
Which is updated more often, King Sejong Keyboard or SYKeyboard?
King Sejong Keyboard ships an update fortnightly, and SYKeyboard every 3 days. Most recently, King Sejong Keyboard was updated on July 5, 2026 and SYKeyboard on June 4, 2026.

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