Comparison

World Timezone Calendar vs Savvy Time

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

Head to head
About

World Timezone Calendar

Easily schedule meetings and events across different time zones. This app helps you find the perfect time for global coordination by comparing multiple time zones and integrating with your existing calendar. Plan ahead with future time views and share events that automatically adjust to recipients' local times.

Highlights
  • Cross-timezone scheduling
  • View calendar in multiple timezones
  • Time travel to plan ahead
  • Add unlimited timezones
  • Day/night indicators
  • Home screen widget
  • Global event sharing
Features
Read full description

Coordinate global meetings, calls, and events without the timezone math. Standard world clocks only tell you what time it is right now. World Calendar goes further: it’s a powerful timezone converter and international meeting planner that lets you look into the future to find the perfect time for everyone. Whether you are scheduling a global team sync, planning an international trip, or calling family overseas, World Calendar integrates directly with your iOS Calendar to make cross-timezone scheduling effortless. CROSS-TIMEZONE SCHEDULING Compare multiple timezones side-by-side to instantly pinpoint the ideal meeting time. Tap anywhere to set a target time, and tap twice to seamlessly create an event directly in your calendar. VIEW YOUR CALENDAR IN MULTIPLE TIMEZONES World Calendar displays your existing events across all your selected timezones. Create, edit, and share events with a single tap, ensuring your global schedule is always perfectly aligned. KEY FEATURES: • Time Travel: Scroll into the future to plan days, weeks, or months ahead. • No Limits: Add and compare as many timezones as you need. • Day/Night Indicators: Instantly see if your contact is awake or asleep. • Home Screen Widget: Check your favorite timezones at a glance without unlocking your device. • Watch Widget and App: Put your recently selected timezones on your wrist • Easy Search: Find locations by city name, timezone abbreviation (e.g., EST, GMT), or UTC offset. • Global Sharing: Send event invites to other users that automatically adapt to their local timezone. • DST Accuracy: Fully automatic adjustments for daylight saving time changes globally. • Nautical Time Zones: Full support for standard UTC offsets without DST adjustments. • Landscape View: Turn your device for a wider, comprehensive timeline view.

About

Savvy Time

Easily compare times across different cities and time zones to plan meetings and stay updated. Features include searching over 24,000 locations, automatic daylight saving calculations, and customizable widgets for your home and lock screens.

Highlights
  • Compare times across cities and time zones
  • Search 24,000+ places
  • Automatic daylight saving calculations
  • Home and Lock Screen widgets
  • Working Hours view for best meeting times
  • Offline functionality
Features
Read full description

Compare times across cities and time zones, plan meetings, and keep the places you care about close at hand. • Add cities and time zones, then change a date or time to see the corresponding times everywhere. • Search 24,000+ places, with or without accents, or find a time zone by name or GMT offset. • Best time: in Working Hours view, see the hours that work for the most places, then tap to move every clock there. • Plan around daylight saving changes with automatic time-zone calculations. • See upcoming clock changes for your saved places on Home. • Choose Compact or Standard layouts and pick what each place shows in Place Details. • Add One Place and Compare Places widgets to your Home Screen. One Place can show a Daylight or Working Hours track. On supported iPhones with iOS 27, a full-page Compare Places widget can show a track for each place. • Add world clocks to your Lock Screen: One Place line and circle widgets are free; the rectangular Compare Places widget for up to three places requires Pro. • Share a time comparison or add it to your calendar, and open supported Savvy Time comparison links in the app. • Use light, dark, or system appearance. • Send feedback from Settings with an optional screenshot. Savvy Time needs no account, and comparing times works offline. Free users can save four places. Existing saved places are preserved when updating and are included in iPhone and iPad backups. One Place widgets and small Compare Places widgets are free. Savvy Time Pro adds unlimited saved places, medium and large Compare Places widgets, the full-page Compare Places widget on supported iPhones with iOS 27, and an ad-free experience. Existing Ad-Free subscribers receive Pro access. New installations also receive a three-day ad-free welcome, which is separate from a subscription trial. Optional subscriptions Monthly subscriptions are billed immediately and have no free trial. Annual subscriptions offer a seven-day free trial for eligible customers; otherwise payment is charged when you subscribe. Localized prices, trial eligibility, and renewal terms are displayed before purchase. Subscriptions renew automatically unless canceled through your Apple account. Manage or cancel your subscription in Settings, and use Restore Purchases to restore eligible access. Lifetime Pro Where offered, Lifetime Pro unlocks the same iOS Pro benefits with one payment and no subscription or trial. Verified lifetime access works indefinitely offline. Restore using the Apple account that made the purchase. Refunds or revocations are applied on the next successful verification. Lifetime Pro does not cancel any separate subscription. Availability varies; the App Store shows your localized price before purchase. Terms of Use: https://savvytime.com/terms Privacy Policy: https://savvytime.com/privacy

Screenshots

World Timezone Calendar4 screens
Savvy Time4 screens

Verdict

The call

The clearest difference is update cadence: Savvy Time at every 9 days against World Timezone Calendar's every 4 months. World Timezone Calendar's advantage is device support (4 vs 2). On price, rating, review sentiment and ratings volume 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. World Timezone Calendar sells 1 one-off in-app purchase and Savvy Time sells 4 in-app purchases, starting at $1.99 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 — 4.9 for World Timezone Calendar against 4.9 for Savvy Time. Both are backed by a comparable volume of ratings — 315 and 537 respectively. Written reviews are what separate them: 76% of World Timezone Calendar's written reviews are positive against 78% of Savvy Time's.

UpkeepUpdate frequency

World Timezone Calendar ships an update every 4 months, Savvy Time every 9 days. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
World Timezone Calendar versus Savvy Time: the parameters behind the verdict, then further details
ParameterWorld Timezone CalendarSavvy Time
PriceFreeFree
Rating4.9 (315 ratings)4.9 (537 ratings) — better
Positive reviews76.0% of reviews77.8% of reviews — better
Number of ratings315537 — better
Update frequencyEvery 4 monthsEvery 9 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad
Requires iOS16.6 — better17.0
Further details — not scored
Size19 MB50 MB
Age rating4+4+
DeveloperGeospike Pty LtdSavvy Time LLC

Customer experience

World Timezone Calendar

All ratings295 ratings
Positive98.6%
Neutral0.7%
Negative0.7%
Written reviews50 reviews
Positive76.0%
Neutral10.0%
Negative14.0%

Savvy Time

All ratings537 ratings
Positive97.4%
Neutral1.3%
Negative1.3%
Written reviews45 reviews
Positive77.8%
Neutral4.4%
Negative17.8%

User reviews

World Timezone Calendar

From 315 App Store ratings

What we love

  • 👍 Easy to use
  • 🌍 Great for multiple time zones
  • 💡 Simple and efficient
  • ✅ Clear display
  • 🤝 Helpful for international scheduling

Room to improve

  • 💰 Expensive ad-free version
  • 🔞 Inappropriate ads in free version
  • 💸 High price for functionality

Savvy Time

From 537 App Store ratings

What we love

  • 👍 Clean and simple user interface
  • 💰 Free with no ads (historically)
  • 🌍 Comprehensive timezone coverage
  • 🎨 Color-coded daylight hours visualization
  • 🔄 Easy to customize and reorder timezones

Room to improve

  • 📢 Recently added ads (major user dissatisfaction)
  • 🐛 Timezone calculation errors
  • 🔒 Stuck on incorrect timezone (BST issue)
  • ⚠️ Unreliable time accuracy for critical use
  • 📜 Requires manual 'current time' selection

Bugs and requests

World Timezone Calendar

Reported bugs

7 issues
  • 🐛 Inappropriate ads in free version
  • 🐛 Widget settings not saved
  • 🐛 Cannot add new events with double tap
  • 🐛 Timezone abbreviations not displayed
  • 🐛 Search feature doesn't work
Show 2 more
  • 🐛 Crashes when adding a city
  • 🐛 Widget expansion settings not saved

Requested features

5 requests
  • Add more cities
  • Option to freeze time zones for comparison
  • Switch between 24-hour and AM/PM clock
  • Cleaner design with better calendar event integration
  • Ability to pick a specific date to view

Savvy Time

Reported bugs

4 issues
  • Incorrect timezone offset calculations
  • App stuck on BST with no update option
  • PDT timezone showing wrong time
  • Daylight saving time transitions not handled correctly

Requested features

4 requests
  • Widget option for quick access
  • Auto-sync with device time
  • Ability to display more timezones without scrolling
  • Premium paid option for additional functionality

In-app purchases

1 purchases

World Timezone Calendar

One-time1
  • Remove Advertising$19.95
4 purchases

Savvy Time

Subscriptions3
  • Pro Monthly (Legacy)7 Days trial$1.991 Month
  • Savvy Time Pro Monthly$1.991 Month
  • Savvy Time Pro Annual7 Days trial$9.991 Year
One-time1
  • Lifetime Pro$34.99

Questions

Is World Timezone Calendar free?
World Timezone Calendar is free to download, with in-app purchases available.
Is Savvy Time free?
Savvy Time is free to download, with in-app purchases available.
Which has better reviews, World Timezone Calendar or Savvy Time?
Savvy Time is rated higher. World Timezone Calendar averages 4.9 out of 5 from 315 ratings, while Savvy Time averages 4.9 from 537 ratings.
Do World Timezone Calendar or Savvy Time have ads?
Both World Timezone Calendar and Savvy Time show ads.
Which is updated more often, World Timezone Calendar or Savvy Time?
World Timezone Calendar ships an update every 4 months, and Savvy Time every 9 days. Most recently, World Timezone Calendar was updated on October 26, 2026 and Savvy Time on October 30, 2026.

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