Comparison

World Cal vs WTO Scanner

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

Head to head
About

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.

Highlights
  • 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
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

WTO Scanner

Read full description

Manage your tool holders easily with the WTO Scanner app! The app developed by WTO Werkzeugeinrichtungen GmbH enables you to optimize the tool holder management. Key Features: - Scan your WTO tool holders for instant access to detailed product information. - Download technical drawings and operating instructions for your tool holders directly in the app, making maintenance and operation a breeze. - Connect your tool holders to the myTools platform to manage your tool holders. - Simply register your WTO tool holders for the WTO repair service. Optimize the management of your WTO tool holders with the Scanner app.

Screenshots

World Cal4 screens
WTO Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: WTO Scanner at none against World Cal's 1. WTO Scanner also leads on ads (none vs shown). World Cal's advantage is device support (4 vs 2) and iOS requirement (16.6 vs 18.0). On price 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. World Cal sells 1 one-off in-app purchase. WTO Scanner asks for nothing beyond the download.

UpkeepUpdate frequency

World Cal ships an update every 4 months, WTO Scanner every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
World Cal versus WTO Scanner: the parameters behind the verdict, then further details
ParameterWorld CalWTO Scanner
PriceFreeFree
Rating4.9 (315 ratings) — better—
Positive reviews76.5% of reviews—
Number of ratings315 — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad
Requires iOS16.6 — better18.0
Further details — not scored
Size21 MB148 MB
Age rating4+4+
DeveloperGeospike Pty LtdWTO Werkzeug-Einrichtungen GmbH

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
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

WTO Scanner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

World Cal

One-time1
  • Remove Advertising$19.95
None

WTO Scanner

No in-app purchases

Questions

Is World Cal free?
World Cal is free to download, with in-app purchases available.
Is WTO Scanner free?
WTO Scanner is free to download, with no in-app purchases.
Do World Cal or WTO Scanner have ads?
World Cal shows ads; WTO Scanner does not.
Which is updated more often, World Cal or WTO Scanner?
World Cal ships an update every 4 months, and WTO Scanner every 2 months. Most recently, World Cal was updated on November 6, 2026 and WTO Scanner on November 3, 2026.

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