Comparison

World Clock vs MarkupBuddy

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

Head to head
About

World Clock

Easily calculate time differences worldwide by scrolling a dynamic time bar. Add any city, set specific dates and times, and plan international meetings or calls effortlessly. The app syncs with iOS time data.

Highlights
  • Dynamic time bar for instant difference calculation
  • Add and manage multiple cities
  • Direct date and time specification
  • Customizable city names
  • Syncs with iOS time data
Features
Read full description

"World Clock" is the best app to calculate time differences all over the world. All cities' times change automatically just by scrolling it with your finger. Therefore, you don't need to add or subtract times any more to calculate time differences. ■■Features■■ -Scrolling the time bar on the side of the screen up and down simultaneously changes the time in each city to the future or past. -Double-tap the time bar to change the time unit between 1 minute and 1 hour. -You can add any city from the list of cities provided in the app. -Tap each city to specify the date and time directly. -Press and hold on a city to change the city and edit the custom name. -Only one fixed city can be displayed at the top of the screen. ■■Examples of use■■ -International meeting planner -International call -Trip planning Disclaimer:This application has been built with extreme care and attention. However, it does not guarantee the accuracy of the names and times of the cities displayed. Please note that we are not liable whatsoever for any profit loss, or any other form of loss experienced by the customer from using this application. ※We don't have any time difference data in our app. We have been inquiring about time differences of each city to iOS. Therefore, “World Clock” shows you the time of iOS. As a result, depending on the version of iOS you are using, the exact time may not be displayed. If you find a time lag in our app, please confirm default "Clock" app on your iPhone. If the time in "Clock" app is the same with the time in our “World Clock”, it means that our app is running normally. ※Abbreviated name of time zone was originally researched and added. If you notice any mistakes, please contact us from the support site. ※The screenshots are specially edited not to show ads.

About

MarkupBuddy

Read full description

**Simplify Your Workflow with MarkupBuddy!** MarkupBuddy is your ultimate companion for managing and transforming content. Designed for developers, account managers, and designers, MarkupBuddy makes encoding, decoding, and markup management effortless. --- ### **Key Features:** - **Base64 Encoding and Decoding:** Quickly encode or decode text in Base64 format with a user-friendly interface. - **Extract Markup from OpenRTB Responses:** Effortlessly extract ADM fields from OpenRTB responses for streamlined ad management. - **Inject Markup into OpenRTB Responses:** Insert ADM markup into OpenRTB JSON responses with precision and ease. - **Built-in Clipboard Support:** Paste text directly from your clipboard or copy results in one tap. - **Clean and Intuitive Interface:** Enjoy a seamless user experience optimized for productivity. - **Cross-Platform Support:** Available on iOS, macOS, and more, making your tools accessible wherever you need them. --- ### **Coming Soon:** - **HTML and VAST Ad Rendering:** Render HTML markup or VAST ads directly within the app. --- ### **Why MarkupBuddy?** MarkupBuddy is crafted to simplify content transformation tasks and accelerate your workflow. Whether you're working with OpenRTB, Base64, or custom markup, MarkupBuddy has the tools you need—all in one place. --- **Download MarkupBuddy today and take control of your content!** For feedback and support contact us at eros902002@googlemail.com.

Screenshots

World Clock4 screens
MarkupBuddy3 screens

Verdict

The call

The clearest difference is in-app purchases: MarkupBuddy at none against World Clock's 1. MarkupBuddy also leads on ads (none vs shown). World Clock's advantage is update cadence (every 6 weeks vs every 5 months) and iOS requirement (15.6 vs 17.5). On price 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. World Clock sells 1 one-off in-app purchase. MarkupBuddy asks for nothing beyond the download.

UpkeepUpdate frequency

World Clock ships an update every 6 weeks, MarkupBuddy every 5 months. The most recent releases landed on June 9, 2026 and September 10, 2026 respectively.

Scorecard4 real differences · 6 level
World Clock versus MarkupBuddy: the parameters behind the verdict, then further details
ParameterWorld ClockMarkupBuddy
PriceFreeFree
Rating3.9 (14 ratings) — better—
Positive reviews77.4% of reviews—
Number of ratings14 — better—
Update frequencyEvery 6 weeks — betterEvery 5 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationAd-supported—
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS15.6 — better17.5
Further details — not scored
Size6 MB8 MB
Age rating4+17+
DeveloperYuki FukuiEros Garcia Ponte

In-app purchases

1 purchases

World Clock

One-time1
  • Remove Advertisement$1.99
None

MarkupBuddy

No in-app purchases

Questions

Is World Clock free?
World Clock is free to download, with in-app purchases available.
Is MarkupBuddy free?
MarkupBuddy is free to download, with no in-app purchases.
Do World Clock or MarkupBuddy have ads?
World Clock shows ads; MarkupBuddy does not.
Which is updated more often, World Clock or MarkupBuddy?
World Clock ships an update every 6 weeks, and MarkupBuddy every 5 months. Most recently, World Clock was updated on June 9, 2026 and MarkupBuddy on September 10, 2026.

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