Comparison

Shadowline vs Binary Clock

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

Head to head
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.

About

Binary Clock

Features
Read full description

Binary Clock turns your iPhone into a beautiful binary timepiece for your desk, nightstand, or a charging dock in landscape. Read the time the elegant way. Six columns of glowing dots show the hours, minutes, and seconds in binary, floating on a pane of Liquid Glass over slow, living artwork. LIVING BACKGROUNDS Swipe through a gallery of hand-built backgrounds that drift, glow, and breathe: - Aurora, a living color gradient - Cosmos, deep nebula with a twinkling starfield - Borealis, northern lights over a starry sky - Horizon, a cinematic sunset - Ridges, misty layered mountains - Mercury, flowing liquid metal - Artwork, an editorial sun over hills - Contemporary, minimal drifting light - Pattern, a pulsing halftone wave MADE FOR STANDBY Leave it running while charging and the screen stays awake with a calm, always-on display. A matching widget brings the binary clock to StandBy and your Lock Screen. BEAUTIFUL BY DESIGN - A Liquid Glass clock face with refractive, glassy dots - Live local weather and the date - Clean controls that fade away on their own - Portrait and landscape, iPhone and iPad NEW TO BINARY? It is easy. Each column is one digit. A lit dot counts, from top to bottom, as 8, 4, 2, and 1. Add the lit dots in a column and you get the number. You will be reading it in a day. PRO One simple, one-time purchase unlocks every background, color themes, and the always-on standby display. No subscription, ever. Tell the time in binary. Make it art. Terms of Use (EULA): https://policies.superfuturelabs.com/binary-clock/terms Privacy Policy: https://policies.superfuturelabs.com/binary-clock/privacy

Screenshots

Shadowline4 screens
Binary Clock4 screens

Verdict

The call

The clearest difference is iOS requirement: Shadowline at 17.0 against Binary Clock's 26.0. On price, update cadence, ads and in-app purchases 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 and Binary Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Shadowline ships an update every 2 days, Binary Clock daily. Both last shipped on October 31, 2026.

Scorecard1 real difference · 8 level
Shadowline versus Binary Clock: the parameters behind the verdict, then further details
ParameterShadowlineBinary Clock
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 daysDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better26.0
Further details — not scored
Size40 MB7 MB
Age rating4+4+
DeveloperKKB CoRi Technologies Private LimitedSuper, Inc.

In-app purchases

1 purchases

Shadowline

One-time1
  • Shadowline Pro$2.49
1 purchases

Binary Clock

One-time1
  • Binary Clock Pro$2.99

Questions

Is Shadowline free?
Shadowline is free to download, with in-app purchases available.
Is Binary Clock free?
Binary Clock is free to download, with in-app purchases available.
Do Shadowline or Binary Clock have ads?
Neither Shadowline nor Binary Clock shows ads.
Which is updated more often, Shadowline or Binary Clock?
Shadowline ships an update every 2 days, and Binary Clock daily. Most recently, Shadowline was updated on October 31, 2026 and Binary Clock on October 31, 2026.

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