World Cal vs Timezone Assistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
World Cal
Easily schedule global meetings and events across different time zones. This app helps you find the perfect time for international calls and trips by comparing multiple time zones and integrating with your calendar.
- Cross-timezone scheduling
- View calendar in multiple timezones
- Time travel into the future
- Add unlimited timezones
- Day/night indicators
- Home screen and watch widgets
- DST accuracy
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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.
Timezone Assistant
Easily convert times across multiple cities and timezones. Select a date and time to see conversions, or find optimal meeting times for global teams. Supports over 7,000 cities and includes Daylight Saving Time adjustments.
- Time conversions for multiple cities
- Meeting time planner
- 7,000+ cities and timezones
- Daylight Saving Time support
- Customizable timezone list
- Mark home timezone
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Timezone assistant will help you with timezone conversions across multiple cities/timezones. · Convert time by selecting date and time needed · Pick meeting times across multiple cities and timezones · 7,000+ cities and time zones · Reorder and sort the list of timezones/cities · Daylight saving (DST) support · Mark a time zone home to easily navigate
Screenshots
Verdict
The clearest difference is rating: World Cal at 4.9 against Timezone Assistant's 1.0. World Cal also leads on ratings volume (318 vs 1) and device support (4 vs 2). Timezone Assistant's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price 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
Both are free to download. World Cal sells 1 one-off in-app purchase. Timezone Assistant asks for nothing beyond the download.
World Cal holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: World Cal has 318 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 76% of World Cal's written reviews are positive against 100% of Timezone Assistant's, so the app with the better star average is not the one people write more warmly about.
| Parameter | World Cal | Timezone Assistant |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (318 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 76.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 318 — better | 1 |
| Update frequency | Every 4 months | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPod |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Geospike Pty Ltd | Scalable Ventures, LLC |
Customer experience
World Cal
Timezone Assistant
Bugs and requests
World Cal
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
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- 🐛 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
Timezone Assistant
Not enough reviews yet to summarise bugs or requests.
In-app purchases
World Cal
- Remove Advertising$19.95
Timezone Assistant
No in-app purchases
Questions
Is World Cal free?
Is Timezone Assistant free?
Which has better reviews, World Cal or Timezone Assistant?
Do World Cal or Timezone Assistant have ads?
Other comparisons
