Comparison

FontMaster vs King Sejong Watch Keyboard

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

Head to head
About

FontMaster

Features
Read full description

FontMaster will help designers and developers conveniently view the preview effects and display differences of various fonts. With the FontMaster APP, you can accomplish the following tasks: 1. Preview the font Whether it is a font built into the system or imported from outside, it is convenient to view the font style effect. 2. Preview Settings Supports custom preview of text, text color and text size, bringing you the most realistic usage experience. 3. Support for external font import Support the import of external fonts through iTunes or font file sharing. One-click import of font files, no more worry about not being able to find them. At the same time, it supports sharing and exporting local font files. 4. Collect fonts There are tens of thousands of fonts, and there are always some that one likes. You can mark the font as "like" for quick search and use later. 5. Compare the fonts Select the font you are interested in and add it to the comparison list for easy viewing of subtle differences. 6. Font details Support viewing information such as font name, point size, ascender, descender, x-Height, etc. 【Contact】 Wechat:ckanchuan Website:https://app.kanchuan.com/en/fontmaster

About

King Sejong Watch Keyboard

This app offers an intuitive Korean and English keyboard for Apple Watch, enabling quick and accurate typing with unique layouts and swipe gestures. Customize themes, pre-register frequently used texts, and switch between languages and symbols effortlessly.

Highlights
  • Intuitive Korean & English keyboard layout
  • Left/right swipe for language switching
  • Up/down swipe for numbers and symbols
  • Variety of color themes
  • Pre-registered frequently used texts
  • AI-enabled input experience
Features
Read full description

The King Sejong Watch Keyboard app is a Korean&English keyboard app for the Apple Watch that lets you type exactly the words you want at once, making it a luxury keyboard that anyone can use intuitively and quickly without having to learn how to type. You can freely switch between Korean and English using the left and right swipes, and swipe from bottom to top to enter numbers and tons of symbols. A variety of color themes and frequently used texts are pre-populated and ready to go, and you can specify your favorite contacts to send messages to right away. King Sejong watch keyboards are researched and reflect the latest technologies, trends, and cognitive engineering techniques to ensure accurate typing, and provide a customized experience with fast typing speeds and a variety of features to increase productivity. And with a variety of designs and optional features, you can find a keyboard that fits your preferences. Experience a smart, AI-enabled input experience with the King Sejong watch keyboard. [Key Features] - King Sejong watch keyboard layout - The King Sejong watch keyboard has a uniquely designed keyboard layout. It provides users with a new, future-proof keyboard that is more intuitive, faster, and offers a layout and variety of keyboard layout that are easily accessible to a wide range of cognitive structures and environments. - Switching languages - You can use the left and right swipes to switch the keyboard between Korean and English. - Switching number symbols - Easily switch between numbers and symbols using up and down swipes. - Color Theme - It comes in a variety of color themes and can be customized on the watch keyboard screen to match your mood. - Frequently used text - An innovative feature that allows you to pre-register frequently used addresses, account numbers, phone numbers, and to type sentences with just one touch. It's a very useful feature, perfect for a lifestyle that involves a lot of shipping, money transfers, and contact exchanges these days. [Official Website] https://www.kingsejong.net/

Screenshots

FontMaster4 screens
King Sejong Watch Keyboard4 screens

Verdict

The call

The clearest difference is price: FontMaster at $1.49 against King Sejong Watch Keyboard's $19.99. FontMaster also leads on ads (none vs shown). King Sejong Watch Keyboard's advantage is update cadence (every 5 days vs every 4 months) and iOS requirement (15.0 vs 17.0). On 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

FontMaster costs $1.49 and King Sejong Watch Keyboard $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

FontMaster ships an update every 4 months, King Sejong Watch Keyboard every 5 days. Both last shipped on November 3, 2026.

Scorecard4 real differences · 4 level
FontMaster versus King Sejong Watch Keyboard: the parameters behind the verdict, then further details
ParameterFontMasterKing Sejong Watch Keyboard
Price$1.49 — better$19.99
Positive reviews—54.5% of reviews
Update frequencyEvery 4 monthsEvery 5 days — better
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPadiPhone, iPod, Apple Watch — better
Requires iOS17.015.0 — better
Further details — not scored
Size3 MB44 MB
Age rating4+4+
Developer明伟 陈TeraBaTek Co., Ltd

In-app purchases

None

FontMaster

No in-app purchases

None

King Sejong Watch Keyboard

No in-app purchases

Questions

Is FontMaster free?
FontMaster costs $1.49, with no in-app purchases.
Is King Sejong Watch Keyboard free?
King Sejong Watch Keyboard costs $19.99, with no in-app purchases.
Do FontMaster or King Sejong Watch Keyboard have ads?
King Sejong Watch Keyboard shows ads; FontMaster does not.
Which is updated more often, FontMaster or King Sejong Watch Keyboard?
FontMaster ships an update every 4 months, and King Sejong Watch Keyboard every 5 days. Most recently, FontMaster was updated on November 3, 2026 and King Sejong Watch Keyboard on November 3, 2026.

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