Comparison

World Clock vs Hoyi

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 compare world times and convert dates across different cities and time zones. Ideal for international meetings, travel, or staying connected with loved ones abroad. Offers widgets for quick access and customizable themes.

Highlights
  • Compare multiple cities and time zones
  • Convert dates and times across regions
  • Check UTC and standard time zones
  • Add widgets for fast world time checks
  • See day and night indicators
  • Choose 12-hour or 24-hour format
  • Multiple theme color options
Features
Read full description

Need to know the right time in another city before you call, travel, or schedule a meeting? World Clock-Timezone Converter helps you compare world times and convert any date and time across cities, UTC, and standard time zones. Add the places you care about, check the current time at a glance, or choose a future date to see what that time becomes around the world. It is useful for international meetings, remote teams, family abroad, travel plans, and friends in different time zones. Use widgets for quick access, switch between 12-hour and 24-hour time, check UTC and standard time zones, and choose a theme that fits your phone. Features: - Compare multiple cities and time zones in one list - Convert dates and times across regions - Check UTC, GMT, Zulu time, and standard time zones - Add widgets for fast world time checks - Search many cities and time zone entries - See day and night indicators - Use 12-hour or 24-hour time format - Choose from multiple theme colors - Free to use If you have feedback or need a location added, contact us at appsupport@bokeriastudio.com.

About

Hoyi

Features
Read full description

Hoyi - Your AI Eye Care Companion Hoyi is a delightful vision tracking and eye care habit tool designed for parents who want to help their children build healthy screen-time routines. With a cute 3D interactive companion, we make managing vision data simple, engaging, and stress-free. [Key Features] Smart Report Scanner Snap a photo of school vision screening reports or eye exam receipts. Our AI extracts key numbers like visual acuity and eye axial length automatically—no more manual typing. Get a clear, visual growth journal in seconds. Visual Progress Charts Track vision changes over time with easy-to-read trend graphs. Compare this year's results with last year's at a glance. Say goodbye to digging through paper reports in drawers. Healthy Habit Reminders Get personalized break reminders, outdoor activity nudges, and posture tips based on your child's age. Turn eye care into a fun daily check-in game that builds lifelong healthy habits. Nearby Service Finder Need a vision checkup or new glasses? Discover nearby optical shops and vision centers with ratings and credentials, so you can choose with confidence. [Perfect For] • Preschoolers (3-6): Building early awareness of screen time limits • Elementary (6-12): Study break reminders to prevent vision decline • Teenagers (12-18): Managing screen fatigue during heavy study periods [Data Privacy] Your vision records stay on your device or private cloud space with encryption. We can't see your specific data—it's as private as a diary. [Important Notice] Hoyi is a health management utility, not a medical device. We do not provide disease diagnosis, treatment recommendations, or medical advice. All insights are for reference only. Please consult professional eye care providers for medical concerns. Make Hoyi your desktop eye care buddy and start a relaxed approach to vision wellness today!

Screenshots

World Clock4 screens
Hoyi4 screens

Verdict

The call

The clearest difference is ads: Hoyi at none against World Clock's shown. Hoyi also leads on iOS requirement (13.0 vs 15.0). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
World Clock versus Hoyi: the parameters behind the verdict, then further details
ParameterWorld ClockHoyi
PriceFreeFree
Rating4.8 (600 ratings) — better—
Positive reviews86.7% of reviews—
Number of ratings600 — better—
Update frequencyEvery 10 days—
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size34 MB62 MB
Age rating4+12+
DeveloperBokeria上海国通视光起旭网络科技有限公司

Bugs and requests

World Clock

Reported bugs

9 issues
  • Widget showing blank screen instead of times
  • Widget time display stuck or frozen
  • Incorrect time display after daylight saving changes
  • Widget not working on night mode
  • Screen flickering when scrolling
Show 4 more
  • Widget configuration not saving properly
  • Date/time truncation in location field
  • Widget disappeared after recent update
  • Widget not displaying multiple cities

Requested features

12 requests
  • Alarm functionality for multiple timezones
  • Larger widget size options (2x2, 3x3)
  • Widget theme/color customization
  • Seconds display in time
  • Real-time minute updates
Show 7 more
  • Reorderable timezone list
  • Reverse time conversion capability
  • MacBook/desktop version
  • Ad-free premium version
  • Better widget transparency controls
  • Improved widget design and modernization
  • Day of week display in custom widgets

Hoyi

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

World Clock

No in-app purchases

None

Hoyi

No in-app purchases

Questions

Is World Clock free?
World Clock is free to download, with no in-app purchases.
Is Hoyi free?
Hoyi is free to download, with no in-app purchases.
Do World Clock or Hoyi have ads?
World Clock shows ads; Hoyi does not.

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