Comparison

GBKey한글 vs CalcBox

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

Head to head
About

GBKey한글

This keyboard app offers a unique input method for Korean characters using simple tap or drag gestures. Easily switch between Korean, number/symbol, and phrase keyboards with intuitive swipes. It streamlines common actions like spacing, deleting, and new lines.

Highlights
  • Tap or drag to input Korean characters
  • Drag to switch between Korean, number/symbol, and phrase keyboards
  • Dedicated buttons for space, delete, and new lines
  • Intuitive gesture-based controls
  • Simple and straightforward interface
Features
Read full description

'GBKey한글'은 단순하고 직관적인 동작으로 문자를 입력하는 한글 키보드 입니다. O 탭 또는 드레그 동작으로 문자를 입력합니다.
   - 버튼 중심 방향으로 드레그 합니다. O 탭 또는 드레그 동작으로 키보드를 변경할 수 있습니다. - 한글 키보드로 변경: 탭 - 숫자 및 기호 키보드로 변경: 우방향으로 드레그 - 상용구 키보드로 변경: 좌방향으로 드레그 

O 공백, 삭제, 줄바꿈은 버튼 터치로 실행됩니다.

 O 홈페이지 : www.gbkey.io O 페이스북 페이지 : www.facebook.com/gbkeyApp

About

CalcBox

This app combines numerous essential calculation tools into a single, user-friendly interface. It handles everything from basic arithmetic and unit conversions to financial planning, health tracking, and academic performance. Simplify your daily tasks with this comprehensive utility.

Highlights
  • Basic and scientific calculations
  • Extensive unit and currency conversion
  • Financial calculators (loan, deposit, tip, discount)
  • Health and fitness trackers (BMI, ovulation)
  • Time and date calculations (D-Day, world clock)
  • Academic tools (GPA calculator)
Read full description

CalcBox makes life more convenient with its user-friendly design and smart calculation functions. It efficiently handles various real-life calculations, integrating multiple tools into one app, and features a simple, intuitive interface that anyone can use. Download CalcBox now and simplify your life! ▷ Calculator Perform basic arithmetic and simple scientific calculations quickly. Equations and results can be saved for future use. ▷ Unit Converter Convert units like area, length, temperature, weight, volume, data, time, speed, pressure, force, energy, fuel efficiency, and more, making it versatile for various needs. ▷ D-Day Calculator Calculate days leading up to important dates or see how many days have passed since an anniversary. ▷ World Clock Converter Check the time in cities around the world or calculate the time across different time zones. ▷ Currency Calculator Quickly convert exchange rates for international travel or transactions, with offline use supported via saved rates. ▷ BMI Calculator Enter your height and weight to calculate your BMI and BMR, and visualize results through saved graphs. ▷ Unit Price Calculator Compare prices by calculating the unit price of multiple products. Save and modify results as needed. ▷ Tip Calculator Conveniently calculate tips for meals or services, including per-person splits. ▷ Percentage Calculator Useful for financial transactions, accurately calculating discounts, and taxes. ▷ Discount Calculator Easily find the final price after discounts, including VAT calculations. ▷ Loan Calculator Check financial status by calculating loan repayments and interest. ▷ Deposit and Savings Calculator Calculate future savings by applying deposit amounts and interest rates, including simple and compound interest calculations. ▷ VAT Calculator Accurately calculate the final price including VAT. ▷ Fuel Efficiency Calculator Determine your car's fuel efficiency based on mileage and fuel consumption. ▷ Fuel Price Calculator Calculate your car’s fuel cost using mileage and gas prices. ▷ Ovulation Date Calculator Predict ovulation and fertile windows, supporting family planning and cycle tracking with health notes. ▷ GPA Calculator Track academic performance by calculating GPA, aiding in academic planning. ▷ Age Calculator Calculate your age by entering your birth date, with the option to save and edit results. ▷ Pace Calculator Determine running pace by entering distance and time, including treadmill speed conversion. [Disclaimer] Realbyte Inc. disclaims any responsibility for the accuracy, appropriateness, or reliability of the data provided by the CalcBox app. The company is not liable for errors, omissions, or any damages arising from defects, delays, interruptions, or reliance on the app's information. Subscription pricing and terms: CalcBox offers a $0.99/month auto-renewing monthly subscription and a $9.99/year auto-renewing annual subscription, which removes ads and allows users to choose additional app design themes while maintaining an active subscription. Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. Read more about our terms and conditions here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://calcbox.realbyteapps.com/privacy.html

Screenshots

GBKey한글4 screens
CalcBox4 screens

Verdict

The call

The clearest difference is price: CalcBox at Free against GBKey한글's $0.99. GBKey한글's advantage is in-app purchases (none vs 2) and ads (none vs shown). On review sentiment, update cadence 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

CalcBox is free to download; GBKey한글 costs $0.99 up front. CalcBox sells 2 in-app purchases, starting at $0.99 per month. GBKey한글 asks for nothing beyond the download.

UpkeepUpdate frequency

GBKey한글 ships an update every 6 weeks, CalcBox every 3 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

Scorecard5 real differences · 5 level
GBKey한글 versus CalcBox: the parameters behind the verdict, then further details
ParameterGBKey한글CalcBox
Price$0.99Free — better
Rating—4.8 (382 ratings) — better
Positive reviews100.0% of reviews — better92.5% of reviews
Number of ratings—382 — better
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.6
Further details — not scored
Size8 MB72 MB
Age rating4+4+
DeveloperTAE CHEOL CHEONRealbyte Inc.

Customer experience

GBKey한글

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

CalcBox

All ratings362 ratings
Positive95.3%
Neutral1.9%
Negative2.8%
Written reviews107 reviews
Positive92.5%
Neutral4.7%
Negative2.8%

Bugs and requests

GBKey한글

Not enough reviews yet to summarise bugs or requests.

CalcBox

Reported bugs

3 issues
  • Ads cannot be closed with X button
  • Excessive ads appearing after initial use period
  • Deceptive ad behavior after one week of use

Requested features

6 requests
  • One-time payment option to remove ads permanently
  • Premium ad-free version (like Money Manager app)
  • Set as default calculator option
  • Deposit/savings calculator with day-level precision
  • Bitcoin/cryptocurrency support
Show 1 more
  • Account checking integration with calculation features

In-app purchases

None

GBKey한글

No in-app purchases

2 purchases

CalcBox

Subscriptions2
  • 1 Month Subscription3 Days trial$0.991 Month
  • 1 Year Subscription3 Days trial$9.991 Year

Questions

Is GBKey한글 free?
GBKey한글 costs $0.99, with no in-app purchases.
Is CalcBox free?
CalcBox is free to download, with in-app purchases available.
Do GBKey한글 or CalcBox have ads?
CalcBox shows ads; GBKey한글 does not.
Which is updated more often, GBKey한글 or CalcBox?
GBKey한글 ships an update every 6 weeks, and CalcBox every 3 weeks. Most recently, GBKey한글 was updated on November 2, 2026 and CalcBox on November 4, 2026.

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