Comparison

Twilight Time vs Binary Clock

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

Head to head
About

Twilight Time

Features
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Shows the time before sunrise and after sunset when the sun is below the horizon and it is bright outside (twilight). Twilight 1. Civil twilight 2. Nautical twilight 3. Astronomical twilight

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

Twilight Time1 screens
Binary Clock4 screens

Verdict

The call

The clearest difference is in-app purchases: Twilight Time at none against Binary Clock's 1. Twilight Time also leads on iOS requirement (16.7.10 vs 26.0). Binary Clock's advantage is ads (none vs shown) and update cadence (daily vs every 2 weeks). On price and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Binary Clock sells 1 one-off in-app purchase. Twilight Time asks for nothing beyond the download.

UpkeepUpdate frequency

Twilight Time ships an update every 2 weeks, Binary Clock daily. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

Scorecard4 real differences ยท 2 level
Twilight Time versus Binary Clock: the parameters behind the verdict, then further details
ParameterTwilight TimeBinary Clock
PriceFreeFree
Update frequencyEvery 2 weeksDaily โ€” better
AdsYesNo โ€” better
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.7.10 โ€” better26.0
Further details โ€” not scored
Size36 MB7 MB
Age rating4+4+
DeveloperHideaki UchikoshiSuper, Inc.

In-app purchases

None

Twilight Time

No in-app purchases

1 purchases

Binary Clock

One-time1
  • Binary Clock Pro$2.99

Questions

Is Twilight Time free?
Twilight Time is free to download, with no in-app purchases.
Is Binary Clock free?
Binary Clock is free to download, with in-app purchases available.
Do Twilight Time or Binary Clock have ads?
Twilight Time shows ads; Binary Clock does not.
Which is updated more often, Twilight Time or Binary Clock?
Twilight Time ships an update every 2 weeks, and Binary Clock daily. Most recently, Twilight Time was updated on November 8, 2026 and Binary Clock on October 31, 2026.

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