Comparison

ClockZ | Clock Display + Alarm vs The Time Zone Converter

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

Head to head
About

ClockZ | Clock Display + Alarm

This app provides a customizable digital clock display with alarm, timer, and stopwatch functions. It offers features like photo backgrounds, automatic unlock, and large, easy-to-read visuals, optimized for nighttime use. Premium options unlock additional themes and battery display.

Highlights
  • Customizable digital clock display
  • Music alarm
  • Timer and stopwatch
  • Home screen widget
  • Photo and 3D map backgrounds
  • Automatic unlock
  • Battery display (premium)
Features
Read full description

ClockZ is a clock app that displays accurate current time. The largest digital clock is always displayed on the screen and can be extensively customized. In addition to the basic clock features, you can use the timer, alarm, stopwatch, widget, and many other features for free. Free Features • Digital Clock • Option to display or hide seconds, date, and day of the week • Music alarm (wake-up alarm) • Timer • Stopwatch • Widget (current time display) • Photo backgrounds • Automatic unlock (no sleep when the app is launched) • Tap for full screen • Clock font settings • Clock size adjustment (pinch gesture) • Four-directional rotation (portrait and landscape) Design: • Large and easy-to-read clock • Versatility • Optimized for nighttime use Frequently Asked Questions Q. About the 24-hour time format A. You can change it by going to Settings → General → Date & Time → 24-Hour Time. Q. Why isn’t the alarm sounding? A. Please check that notifications are enabled by launching the app, tapping the + button, and going to Settings. Also, ensure that your ringtone volume, silent mode, and the set time are correct. Q. What about time discrepancies? A. ClockZ synchronizes with your device’s time. Please check the time settings on your device. About ClockZ Premium: • ClockZ Premium is $2.99/month (US dollar standard) • Multiple devices with single purchase • Cancel anytime • No additional purchases, subscription only. • Auto renewable subscription Premium Features: • All text colors and themes • 3D map backgrounds • Battery display • Outline display Prices may vary by country and currency. Premium membership fees will be charged to your iTunes account. Your account will be charged for renewal within 24 hours before the current subscription period ends, with the renewal fee specified. Your subscription will automatically renew unless you cancel at least 24 hours before the end of the current period. You can manage or change the automatic renewal for ClockZ Premium in your Apple ID account within the Settings app (go to Settings → iTunes & App Store → Apple ID → View Apple ID → Subscriptions). Cancellation of your current paid membership will take effect after the end of the current subscription period. If you have any questions, please contact us through the contact information on our website. Privacy Policy: https://flymapslive.com/jp/privacy Terms of Use: https://flymapslive.com/jp/legal

About

The Time Zone Converter

Easily convert time zones and check the current time in different locations worldwide. This app allows you to add desired locations and use a timeline to see future times. It also features a calendar view to find common working hours across selected places.

Highlights
  • World time zone conversion
  • Add custom locations
  • Scrollable timeline for future times
  • Calendar view for working hours
  • Home screen widgets
Features
Read full description

World Clock – time zones converter app. Add the location you want and scroll the timeline to check what time will be there. On the calendar screen, you can easily find common working hours for the selected locations. Have an idea or a bug report? Text me at vdugnist@gmail.com! Terms of service: https://vdugnist.com/tz_tos.html

Screenshots

ClockZ | Clock Display + Alarm4 screens
The Time Zone Converter4 screens

Verdict

The call

The clearest difference is ratings volume: ClockZ | Clock Display + Alarm at 5.5K against The Time Zone Converter's 1.5K. The Time Zone Converter's advantage is iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and update cadence 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. ClockZ | Clock Display + Alarm sells 10 in-app purchases, starting at $2.99 per month and The Time Zone Converter sells 6 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for ClockZ | Clock Display + Alarm against 4.6 for The Time Zone Converter. Both are backed by a comparable volume of ratings — 5.5K and 1.5K respectively. Written reviews are what separate them: 47% of ClockZ | Clock Display + Alarm's written reviews are positive against 46% of The Time Zone Converter's.

UpkeepUpdate frequency

ClockZ | Clock Display + Alarm ships an update every 3 weeks, The Time Zone Converter every 4 weeks. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard2 real differences · 8 level
ClockZ | Clock Display + Alarm versus The Time Zone Converter: the parameters behind the verdict, then further details
ParameterClockZ | Clock Display + AlarmThe Time Zone Converter
PriceFreeFree
Rating4.5 (5.5K ratings)4.6 (1.5K ratings) — better
Positive reviews47.5% of reviews — better45.7% of reviews
Number of ratings5.5K — better1.5K
Update frequencyEvery 3 weeks — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size58 MB23 MB
Age rating4+4+
DeveloperRage BoxVladislav Dugnist

Customer experience

ClockZ | Clock Display + Alarm

All ratings5,490 ratings
Positive87.7%
Neutral4.4%
Negative7.9%
Written reviews217 reviews
Positive47.5%
Neutral9.7%
Negative42.9%

The Time Zone Converter

All ratings1,514 ratings
Positive91.2%
Neutral2.9%
Negative5.9%
Written reviews46 reviews
Positive45.7%
Neutral13.0%
Negative41.3%

User reviews

ClockZ | Clock Display + Alarm

From 5.5K App Store ratings

What we love

  • 🕰️ Clear, large time display
  • 📟 Accurate time keeping
  • 🌙 Good for bedside clock use
  • 🎨 Customizable colors and styles
  • ⏱️ Useful timer and stopwatch features

Room to improve

  • 💰 Subscription model with limited free features
  • 📢 Intrusive ads and pop-ups
  • 🕰️ Lack of 12-hour time option
  • 🔒 Issues with restoring purchases
  • 🔋 Drains battery when left running

The Time Zone Converter

From 1.5K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Fast and responsive
  • 💡 Vibration while scrolling timeline
  • 👍 Simple and clean design
  • 👍 Accurate time display

Room to improve

  • 🔒 Subscription-based model
  • 🐛 Time drifts and needs resetting
  • 🔒 Limited free features
  • 🐛 Location detection issues
  • 🐛 Lack of instructions and guidance

Bugs and requests

ClockZ | Clock Display + Alarm

Reported bugs

5 issues
  • Sudden switch to 24-hour time mode
  • Alarms not triggering as expected
  • Ads reappearing after paid removal
  • Crashes when deleting alarms
  • Inconsistent time display when device is locked

Requested features

5 requests
  • Option to disable AM/PM indicator
  • Ability to move clock position on screen
  • Customizable alarm sounds and volume
  • Background image/wallpaper support
  • Improved timer functionality for tasks

The Time Zone Converter

Reported bugs

2 issues
  • Subscription issues and repeated payment prompts
  • Unable to add new time zones in free version

Requested features

4 requests
  • Add military time display option
  • Improve widget functionality
  • Provide desktop version
  • Improve calendar integration

In-app purchases

10 purchases

ClockZ | Clock Display + Alarm

Subscriptions2
  • ClockZ Premium$2.991 Month
  • ClockZ Premium$29.991 Year
One-time8
  • Good App$0.99
  • Tower Backgrounds$1.99
  • Place Backgrounds$1.99
Show 5 more
  • Theme$2.99
  • Best App$2.99
  • Remove Ads$4.99
  • Thank You$4.99
  • Never Give Up$9.99
6 purchases

The Time Zone Converter

Subscriptions6
  • Monthly subscription$2.991 Month
  • Annual Pro Subscription7 Days trial$8.991 Year
  • Annual Pro Subscription3 Days trial$9.991 Year
Show 3 more
  • Annual Pro Subscription$9.991 Year
  • Annual Pro Subscription7 Days trial$9.991 Year
  • Annual Pro Subscription7 Days trial$14.991 Year

Questions

Is ClockZ | Clock Display + Alarm free?
ClockZ | Clock Display + Alarm is free to download, with in-app purchases available.
Is The Time Zone Converter free?
The Time Zone Converter is free to download, with in-app purchases available.
Which has better reviews, ClockZ | Clock Display + Alarm or The Time Zone Converter?
The Time Zone Converter is rated higher. ClockZ | Clock Display + Alarm averages 4.5 out of 5 from 5.5K ratings, while The Time Zone Converter averages 4.6 from 1.5K ratings.
Do ClockZ | Clock Display + Alarm or The Time Zone Converter have ads?
Neither ClockZ | Clock Display + Alarm nor The Time Zone Converter shows ads.
Which is updated more often, ClockZ | Clock Display + Alarm or The Time Zone Converter?
ClockZ | Clock Display + Alarm ships an update every 3 weeks, and The Time Zone Converter every 4 weeks. Most recently, ClockZ | Clock Display + Alarm was updated on September 24, 2026 and The Time Zone Converter on September 22, 2026.

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