Comparison

Zen World Time Converter vs Clockwise

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

Head to head
About

Zen World Time Converter

Easily find the current time in any location worldwide. This app simplifies scheduling calls across different time zones with an intuitive slider for quick time adjustments. It offers extensive location data and clear visual differentiation of day and night hours.

Highlights
  • Global time zone conversion
  • Over 22,000 locations
  • Customizable daylight hours
  • Intuitive time slider
  • Clear day/night differentiation
  • Ad-free experience
Features
Read full description

Zen World Time makes finding times in any location around the globe fast and easy. Figuring out the best time to call someone in a different time zone has never been easier—just drag our unique slider. Features • Over 22,000 locations available worldwide • Customizable daylight hours for each location • Elegant and intuitive interface • Nighttime and daytime hours are clearly differentiated • Time slider lets you advance to future times quickly • Ad-free • In-app purchase gives you access to all features Try it today!

About

Clockwise

Easily track time zones for friends, family, and colleagues worldwide. Features dynamic backgrounds, personalized photos, and home-screen widgets for at-a-glance updates. Supports over 200k locations, even offline, and syncs across devices via iCloud.

Highlights
  • Automatic time zone detection
  • Time scrubbing for planning
  • Dynamic sky backgrounds
  • Personalized contact photos
  • Home-screen widgets
  • Daylight Saving Time alerts
  • Offline location database
Read full description

Tired of calculating time zone differences? Meet Clockwise, the ultimate app for tracking the time of friends, family, and colleagues around the world! • Simple Setup Just enter someone’s name (or select from your contacts), choose their location, and we’ll automatically detect their time zone! • Time Scrubbing Easily shift the time forwards or backwards to plan and coordinate across time zones. • Dynamic Sky Backgrounds Watch the sky come to life with beautiful colors that change in real-time, reflecting the actual sunrise and sunset of each person’s location. • Personalized Photos Add a personal touch by uploading photos of your loved ones. You can scale and crop images to get the perfect fit! • Widgets Stay connected at a glance with home-screen widgets that display the local time of your friends and family without even opening the app! • Daylight Saving Time Never miss a time change again! Stay informed of upcoming daylight saving time changes around the world. • Contact Linking Import your contacts and call or text them directly from the app. Getting in touch with your friends and family abroad has never been easier! • Clock Customization Select from a variety of clock display options, including both analog and 24-hour formats. • Extensive Location Database Choose from over 200k locations worldwide, even offline. Whether it’s a big city or a small town, we’ve got you covered. • iCloud Sync Sync your contacts and their time zones across all your devices via iCloud. Clockwise is available on both iPhone and iPad.

Screenshots

Zen World Time Converter4 screens
Clockwise4 screens

Verdict

The call

The clearest difference is in-app purchases: Clockwise at none against Zen World Time Converter's 1. Clockwise also leads on rating (4.8 vs 4.6). Zen World Time Converter's advantage is ratings volume (189 vs 17) and iOS requirement (10.0 vs 16.1). On price, review sentiment, update cadence and ads 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. Zen World Time Converter sells 1 one-off in-app purchase. Clockwise asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Clockwise holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Zen World Time Converter has 189 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 88% of Zen World Time Converter's written reviews are positive against 93% of Clockwise's.

UpkeepUpdate frequency

Zen World Time Converter ships an update every 2 months, Clockwise every 6 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Zen World Time Converter versus Clockwise: the parameters behind the verdict, then further details
ParameterZen World Time ConverterClockwise
PriceFreeFree
Rating4.6 (189 ratings)4.8 (17 ratings) — better
Positive reviews88.2% of reviews92.9% of reviews — better
Number of ratings189 — better17
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS10.0 — better16.1
Further details — not scored
Size18 MB35 MB
Age rating4+4+
DeveloperVlad ParaschivBrittany Petrova

Customer experience

Zen World Time Converter

All ratings188 ratings
Positive88.8%
Neutral4.8%
Negative6.4%
Written reviews136 reviews
Positive88.2%
Neutral4.4%
Negative7.4%

Clockwise

All ratings8 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews14 reviews
Positive92.9%
Neutral0.0%
Negative7.1%

Bugs and requests

Zen World Time Converter

Reported bugs

8 issues
  • Time doesn't auto-update after app launch
  • Red button to snap back to current time shows outdated time
  • Incorrect time zone placement (St. Barthélemy in French Alps instead of Caribbean)
  • Calendar functionality not working as expected
  • Sunrise/sunset can only be set in 30-minute increments
Show 3 more
  • Daylight saving time not captured correctly in some regions
  • Hijri calendar mode cannot be changed to Gregorian
  • Cannot select specific dates manually

Requested features

16 requests
  • 24-hour time format option
  • Ability to rearrange cities by drag-and-drop
  • Alphabetical or custom sorting of city list
  • Customizable font colors per city
  • Custom city names (e.g., 'Grandma', 'Corporate')
Show 11 more
  • Minute-level time interval adjustments (15-min, 1-min increments)
  • Quick date selection for future dates
  • Automatic sunrise/sunset time updates based on location
  • UTC time zone display
  • Compact view option to fit more cities on screen
  • Widget functionality for home screen
  • Outlook calendar integration
  • Ability to view previous days
  • Add missing cities and locations
  • Move app settings from iPhone settings into app
  • Zoom in/out functionality

Clockwise

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Zen World Time Converter

One-time1
  • Zen World Time Pro Features$5.99
None

Clockwise

No in-app purchases

Questions

Is Zen World Time Converter free?
Zen World Time Converter is free to download, with in-app purchases available.
Is Clockwise free?
Clockwise is free to download, with no in-app purchases.
Which has better reviews, Zen World Time Converter or Clockwise?
Clockwise is rated higher. Zen World Time Converter averages 4.6 out of 5 from 189 ratings, while Clockwise averages 4.8 from 17 ratings.
Do Zen World Time Converter or Clockwise have ads?
Neither Zen World Time Converter nor Clockwise shows ads.
Which is updated more often, Zen World Time Converter or Clockwise?
Zen World Time Converter ships an update every 2 months, and Clockwise every 6 weeks. Most recently, Zen World Time Converter was updated on October 25, 2026 and Clockwise on October 24, 2026.

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