Comparison

World Clock vs ZoneSync

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 track time across multiple locations with this multi-function world clock. It offers home screen widgets, custom time zones, and automatic location detection for convenient access to global time and dialing codes.

Highlights
  • Home screen widget
  • Custom time zones
  • Multiple clocks
  • Automatic location detection
  • Time zone information
  • Dialing codes
Features
Read full description

This easy and Simple application to display multi-function World Clock application. Worldclock It show the local time and current time conditions in places all over the world. Also includes alarms and widgets. Contains • A home screen widget for easy access to city times. • Custom Time zone • Multiple clocks support. • Automatic detection of your current location. • Time zone information. • Dialing codes (country and area codes).

About

ZoneSync

Features
Read full description

Stay connected across every time zone. ZoneSync helps remote teams, digital nomads, and international professionals manage contacts worldwide, find the perfect meeting time, and keep their global schedule in sync. WORLD CLOCK FOR YOUR CONTACTS Add contacts from any time zone and instantly see their local time. Import from your phone's contacts or add manually. Color-code, tag, and favorite your key people. Filter by who's currently working or offline with one tap. SMART MEETING FINDER Stop guessing. ZoneSync scores every possible meeting slot from 0 to 100 so you always pick the best overlap — not just any overlap. Choose participants, set duration (30 min to 2 hours), select a date range, and get ranked results instantly. Skip weekends automatically. CALENDAR WITH TIMEZONE CONVERSION View your iOS calendar events with instant time zone conversion for every contact. Switch between list, grid, and timeline views. Schedule timezone-aware meetings directly from the app. ANALYTICS & WORK HOURS HEATMAP Visualize your team's availability on a 24×7 heatmap. Discover peak overlap hours, find the best time to reach everyone, and understand timezone diversity across all your contacts. HOME SCREEN WIDGETS Keep world clocks visible with beautiful widgets. Small widget shows one contact's time, medium widget displays up to 6 favorites — all with live updates every 15 minutes. ZONESYNC PREMIUM • Unlimited contacts (free: up to 3) • Extended Meeting Finder with wider date range • Advanced analytics for 50+ contacts • iCloud sync across all your devices • All future premium features included Clean, beautiful design. Light and dark themes. No ads, no tracking. Your data stays private with optional iCloud backup. $2.99/month | $24.99/year (3-day free trial, save 30%) Download ZoneSync — make time zones simple. Privacy Policy: https://mruat06-arch.github.io/app-policies/zonesync/privacy.html Terms of Use: https://mruat06-arch.github.io/app-policies/zonesync/terms.html

Screenshots

World Clock4 screens
ZoneSync4 screens

Verdict

The call

World Clock and ZoneSync are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 and ZoneSync sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
World Clock versus ZoneSync: the parameters behind the verdict, then further details
ParameterWorld ClockZoneSync
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 49 months—
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS17.617.6
Further details — not scored
Size20 MB12 MB
Age rating4+4+
DeveloperAbdullah SaleemMurat Can CICEK

In-app purchases

1 purchases

World Clock

One-time1
  • Pro Version$3.99
2 purchases

ZoneSync

Subscriptions2
  • ZoneSync Premium$2.991 Month
  • ZoneSync Premium3 Days trial$24.991 Year

Questions

Is World Clock free?
World Clock is free to download, with in-app purchases available.
Is ZoneSync free?
ZoneSync is free to download, with in-app purchases available.
Do World Clock or ZoneSync have ads?
Neither World Clock nor ZoneSync shows ads.

Other comparisons