World Cal vs CalendarLog
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.
CalendarLog
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CalendarLog is the simple calendar tracker that helps you remember life's occasional moments. When did you last get a haircut? Change your car's oil? Visit the dentist? These are the things that don't happen every day — but matter when you forget them. PERFECT FOR TRACKING: • Medical appointments — dentist, eye exams, physicals • Vehicle maintenance — oil changes, tire rotations, inspections • Personal care — haircuts, skincare treatments • Home maintenance — HVAC filters, deep cleaning • Pet care — grooming, vet visits • Any activity you do every now and then HOW IT WORKS: • Add your activities with a name, color, and description • Tap any date to view logs, long-press to quickly add a new entry • See your full history on a beautiful yearly calendar • Check exactly how long it's been since your last entry KEY FEATURES: • Visual yearly calendar — see all your activities at a glance • Color-coded activities — instantly recognize what happened when • Personal notes — remember the details that matter • "Days since last log" — always know when something is overdue • Works completely offline — your data stays private on your device • Backup & Restore — export and import your data as a JSON file • Filter activities — focus on what you want to see No reminders. No pressure. No daily streaks. Just a clean, simple way to answer one question: "When was the last time I did this?" Download CalendarLog today and never lose track of life's occasional moments again. SUBSCRIPTIONS: CalendarLog offers optional auto-renewable subscriptions to support development: • Monthly Support — recurring monthly subscription • Yearly Support — recurring yearly subscription Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Payment will be charged to your Apple ID account at confirmation of purchase. You can manage or cancel your subscriptions in your device's Settings > Subscriptions. Privacy Policy: https://tyastonotaufiq.dev/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: CalendarLog at weekly against World Cal's every 4 months. World Cal's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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 and CalendarLog sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
World Cal ships an update every 4 months, CalendarLog weekly. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.
| Parameter | World Cal | CalendarLog |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (318 ratings) — better | — |
| Positive reviews | 76.5% of reviews | — |
| Number of ratings | 318 — better | — |
| Update frequency | Every 4 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 21 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Geospike Pty Ltd | Tyastono Taufiq |
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
CalendarLog
Not enough reviews yet to summarise bugs or requests.
In-app purchases
World Cal
- Remove Advertising$19.95
CalendarLog
- Monthly Support$0.991 Month
- Yearly Support$0.991 Year
- Support CalendarLog$0.99
- Support More CalendarLog$0.99









