Comparison

ZoneTime vs Clock4Key World Clock Keyboard

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

Head to head
About

ZoneTime

Easily compare timezones to schedule meetings and avoid calling people at inconvenient hours. The app features a widget for quick glances and a table to compare up to 20 locations, automatically adjusting for Daylight Saving Time.

Highlights
  • View overlapping timezone hours
  • Schedule meetings across timezones
  • Today Widget for quick time checks
  • Compare up to 20 locations
  • Color-coded 'OK to call' times
  • Automatic Daylight Saving Time adjustment
  • Create calendar events across timezones
Features
Read full description

ZoneTime offers a quick and easy way to view overlapping timezone hours, and setup meetings. ZoneTime can help you: * stop waking up your friends and family when you call them overseas. * catch your international colleagues while they're still in the office. * compare timezones between a flight's origin and destination. Included Features * ZoneTime Today Widget now allows you to quickly glance at times across your configured locations without needing to open the app, or unlock you phone. * An easy to use table to compare today's times for up to 20 locations at a time. * Choose from cities from around the globe * Color codes times based on whether it's 'OK' to call. * Automatically adjusts for Daylight Saving Time for each Location. * Edit and rearrange locations you want to compare timezones. * Compare timezones in landscape or portrait orientation. * Create an calendar event across multiple timezones

About

Clock4Key World Clock Keyboard

This custom keyboard allows users to quickly input the current time for major cities worldwide directly from their device's keyboard. It offers real-time global time updates and an intuitive design for efficient time zone coordination.

Highlights
  • Instant time input for global cities
  • Real-time worldwide time updates
  • Seamless keyboard integration
  • Avoids manual time conversions
  • Ideal for travelers and professionals
Features
Read full description

World Clock Keyboard is a powerful iOS app designed to simplify the process of entering the current time for famous cities worldwide. This custom keyboard is ideal for anyone who frequently needs to know or share international times, offering convenience and speed at your fingertips. Key Features: - Instant Time Input: Quickly enter current times for major cities worldwide directly from your keyboard. - Global Coverage: Get real-time updates for numerous cities, ensuring accurate information. - User-Friendly: Intuitive design seamlessly integrates with your device’s keyboard. - Efficient: Save time by avoiding manual time conversions and app switching. - Traveler-Friendly: Perfect for globetrotters, business professionals, and anyone coordinating across time zones.

Screenshots

ZoneTime4 screens
Clock4Key World Clock Keyboard3 screens

Verdict

The call

The clearest difference is update cadence: Clock4Key World Clock Keyboard at daily against ZoneTime's every 3 months. ZoneTime's advantage is iOS requirement (8.0 vs 15.0). On price, rating, ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for ZoneTime against 5.0 for Clock4Key World Clock Keyboard. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

ZoneTime ships an update every 3 months, Clock4Key World Clock Keyboard daily. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

Scorecard2 real differences · 8 level
ZoneTime versus Clock4Key World Clock Keyboard: the parameters behind the verdict, then further details
ParameterZoneTimeClock4Key World Clock Keyboard
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings11
Update frequencyEvery 3 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size26 MB3 MB
Age rating4+4+
DeveloperGlen TregoningKhang Le

Customer experience

ZoneTime

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Clock4Key World Clock Keyboard

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ZoneTime

No in-app purchases

None

Clock4Key World Clock Keyboard

No in-app purchases

Questions

Is ZoneTime free?
ZoneTime is free to download, with no in-app purchases.
Is Clock4Key World Clock Keyboard free?
Clock4Key World Clock Keyboard is free to download, with no in-app purchases.
Which has better reviews, ZoneTime or Clock4Key World Clock Keyboard?
ZoneTime and Clock4Key World Clock Keyboard are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do ZoneTime or Clock4Key World Clock Keyboard have ads?
Neither ZoneTime nor Clock4Key World Clock Keyboard shows ads.
Which is updated more often, ZoneTime or Clock4Key World Clock Keyboard?
ZoneTime ships an update every 3 months, and Clock4Key World Clock Keyboard daily. Most recently, ZoneTime was updated on September 9, 2026 and Clock4Key World Clock Keyboard on September 15, 2026.

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