Comparison

Timezone World Clock vs Shadowline

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

Head to head
About

Timezone World Clock

Easily track multiple time zones with a visually appealing interface. Plan meetings across different regions and stay updated on upcoming events with home and lock screen widgets. This app prioritizes privacy with no account sign-ups or data tracking.

Highlights
  • World clock with up to 8 cities
  • Time-of-day gradients
  • Meeting planner across timezones
  • Calendar event countdowns
  • Home and lock screen widgets
  • Live Activities and Dynamic Island support
  • Siri and Shortcuts integration
Features
Read full description

Timebase is a calmer way to keep time across the world. Add the cities you care about, scrub through the day to see what time it is everywhere at once, and plan meetings that actually land at humane hours. Watch your upcoming calendar events count down on the lock screen. Glance at every city from a widget on your home screen. Designed for people who live and work across timezones — distributed teams, remote workers, families abroad, frequent travelers, and anyone who just wants to know what time it is somewhere else right now. — FEATURES — WORLD CLOCK • Up to 8 cities, automatically ordered by timezone offset • Time-of-day gradients that flow with the hour, anywhere on Earth • Fluid parallax gradients that respond to how you hold your phone • Scrub vertically through the day — every clock moves together • Tap any city for daylight and the local date MEETING PLANNER • Pick participants by city, find a time that works for everyone • Anchor the meeting to anyone's timezone — your home or theirs • Save straight to your calendar with one tap UP NEXT • Native Apple Calendar integration — no signup required • See countdowns to your upcoming events • Pull to refresh for the latest changes WIDGETS (HOME & LOCK SCREEN) • Small, medium, large home screen widgets • Lock screen accessory widgets (circular, rectangular, inline) • Up Next countdown widgets in every size LIVE ACTIVITIES + DYNAMIC ISLAND • Lock screen card for your next event with a live ticking countdown • Branded gradient design that matches your event's time-of-day • Glance the time-to-next-meeting from the Dynamic Island SIRI + SHORTCUTS + SPOTLIGHT • "Hey Siri, what time is it in Tokyo?" • Spotlight indexed — search any of your cities from anywhere on iOS • Quick actions on app icon long-press CONTROL CENTER • One-tap Timebase tile (iOS 18+) ALSO • Auto-rotating app icon that changes through the day • Multiple alternate app icons • Full iCloud sync across your devices • No accounts, no signup, no tracking PRIVACY Timebase does not collect, store, or sell your data. Cities, settings, and calendar access stay on your device or sync via your own iCloud account. Crafted by @amrith.

About

Shadowline

Visualize time zones with elegant clock faces or a single 24-hour dial. Plan meetings, manage jet lag with science-based advice, and view a live day & night map. Widgets offer at-a-glance city times.

Highlights
  • World clocks with customizable themes
  • 24-hour dial for at-a-glance time comparison
  • Meeting planner with calendar integration
  • Jet lag adjustment plans
  • Live day & night map with moon phase
  • Home and Lock Screen widgets
Features
Read full description

Shadowline turns time zones into something you can actually see. Track the cities that matter to you, then read them at a glance — as elegant clock faces, or on a single 24-hour dial where every city sits on one ring so you instantly see who's awake, who's asleep, and the hours you overlap. FEATURES • World clocks — Add any city on Earth and see its time, day or night, and offset from you. Reorder, rename, and theme each one. • 24-hour dial — All your cities on one circular timeline. Drag to scrub through the day and find a time that works everywhere. • Meeting planner — Swipe through upcoming hours and watch every city update together. Found a slot? Add it straight to your calendar. • JetLag IQ — Heading somewhere new? Get a simple, science-based plan to shift your body clock and land ready. • Day & night map — A live world map with the real sunlight terminator, plus sunrise, sunset, and moon phase. • Widgets — Put your favorite cities and the dial on your Home and Lock Screen in styles that match your look. Everything runs entirely on your device. No account, no ads, no tracking — your cities and settings never leave your phone. SHADOWLINE PRO Free to use with up to three cities. Unlock Shadowline Pro once — a single $2.49 purchase, no subscription — for unlimited cities, every widget style, and import/export. Yours forever.

Screenshots

Timezone World Clock4 screens
Shadowline4 screens

Verdict

The call

The clearest difference is in-app purchases: Timezone World Clock at none against Shadowline's 1. On price, rating, ratings volume and ads 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. Shadowline sells 1 one-off in-app purchase. Timezone World Clock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Timezone World Clock against 5.0 for Shadowline. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Scorecard2 real differences · 7 level
Timezone World Clock versus Shadowline: the parameters behind the verdict, then further details
ParameterTimezone World ClockShadowline
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequency—Every 2 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS17.017.0
Further details — not scored
Size10 MB40 MB
Age rating4+4+
DeveloperAmrith ShanbhagKKB CoRi Technologies Private Limited

In-app purchases

None

Timezone World Clock

No in-app purchases

1 purchases

Shadowline

One-time1
  • Shadowline Pro$2.49

Questions

Is Timezone World Clock free?
Timezone World Clock is free to download, with no in-app purchases.
Is Shadowline free?
Shadowline is free to download, with in-app purchases available.
Which has better reviews, Timezone World Clock or Shadowline?
Timezone World Clock and Shadowline are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Timezone World Clock or Shadowline have ads?
Neither Timezone World Clock nor Shadowline shows ads.

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