Comparison

Timeline Calendar vs Clock4Key World Clock Keyboard

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

Head to head
About

Timeline Calendar

Features
Read full description

Timeline Calendar - Feel Your Time, Not Just See a List Experience your schedule on a unified timeline. Unlike standard calendars, Timeline Calendar lets you sense time flow and patterns—perfect for managing complex, recurring schedules. Once you get used to it, there's no going back. Key Features: • Unified Timeline View - All events on one consistent axis across all views • Reminders - Simple, intuitive reminders alongside your events; a line of text is enough, or add importance, a due date, and notes • Smart Color Bar Rules - Auto-group similar events by color for instant recognition • Pattern Recognition - Spot routines, gaps, and conflicts at a glance • Two Time Zones per Event - Independent zones for an event's start and end—perfect for flights and travel • Zoom - Pinch to zoom in the Week and Day views • Month, Week, Day & List Views - Switch seamlessly between layouts • Personal Week Photo - Add your own photo to the Week view, then pinch and drag to place it exactly the way you want • Dedicated Holidays, Birthdays & Reminders - See each in its own list, and together at the bottom of the Day view—so they're never buried among your events • Multiple Languages - Hebrew (full right-to-left) and English, plus French, Spanish, German, and Russian in beta Perfect For: • Students - Visualize class schedules and study time • Transportation Crews - Pilots, sailors, drivers managing shifts • Travel Agencies - Present tour itineraries and vacation plans • Anyone managing long, recurring activities Timeline Calendar brings Gantt-chart clarity to your personal calendar. See your time as a story, not just a list. Timeline Calendar is optimized for iPhone. It runs on iPad too—a layout tailored to the iPad's larger screen is on the way.

About

Clock4Key World Clock Keyboard

This custom keyboard allows users to quickly input the current time for major cities worldwide directly from their device's keyboard. It offers real-time global time updates and an intuitive design for efficient time zone coordination.

Highlights
  • Instant time input for global cities
  • Real-time worldwide time updates
  • Seamless keyboard integration
  • Avoids manual time conversions
  • Ideal for travelers and professionals
Features
Read full description

World Clock Keyboard is a powerful iOS app designed to simplify the process of entering the current time for famous cities worldwide. This custom keyboard is ideal for anyone who frequently needs to know or share international times, offering convenience and speed at your fingertips. Key Features: - Instant Time Input: Quickly enter current times for major cities worldwide directly from your keyboard. - Global Coverage: Get real-time updates for numerous cities, ensuring accurate information. - User-Friendly: Intuitive design seamlessly integrates with your device’s keyboard. - Efficient: Save time by avoiding manual time conversions and app switching. - Traveler-Friendly: Perfect for globetrotters, business professionals, and anyone coordinating across time zones.

Screenshots

Timeline Calendar4 screens
Clock4Key World Clock Keyboard3 screens

Verdict

The call

The clearest difference is in-app purchases: Clock4Key World Clock Keyboard at none against Timeline Calendar's 6. Clock4Key World Clock Keyboard also leads on update cadence (daily vs fortnightly). On price, ads, device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Timeline Calendar sells 6 one-off in-app purchases. Clock4Key World Clock Keyboard asks for nothing beyond the download.

UpkeepUpdate frequency

Timeline Calendar ships an update fortnightly, Clock4Key World Clock Keyboard daily. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 7 level
Timeline Calendar versus Clock4Key World Clock Keyboard: the parameters behind the verdict, then further details
ParameterTimeline CalendarClock4Key World Clock Keyboard
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyFortnightlyDaily — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size145 MB3 MB
Age rating4+4+
DeveloperNir TsookKhang Le

In-app purchases

6 purchases

Timeline Calendar

One-time6
  • TL Calendar$1.99
  • Time Line Calendar Upgrade$2.99
  • Support $10$9.99
Show 3 more
  • Support $20$19.99
  • Support $50$49.99
  • Support $100$99.99
None

Clock4Key World Clock Keyboard

No in-app purchases

Questions

Is Timeline Calendar free?
Timeline Calendar is free to download, with in-app purchases available.
Is Clock4Key World Clock Keyboard free?
Clock4Key World Clock Keyboard is free to download, with no in-app purchases.
Do Timeline Calendar or Clock4Key World Clock Keyboard have ads?
Neither Timeline Calendar nor Clock4Key World Clock Keyboard shows ads.
Which is updated more often, Timeline Calendar or Clock4Key World Clock Keyboard?
Timeline Calendar ships an update fortnightly, and Clock4Key World Clock Keyboard daily. Most recently, Timeline Calendar was updated on October 29, 2026 and Clock4Key World Clock Keyboard on October 27, 2026.

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