Binary O'Clock vs Binary Clock
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Binary O'Clock
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There are only 10 types of people in this world: those who understand binary and those who don't. Binary O'Clock is a glowing binary clock for your iPhone, iPad and Apple Watch. Six columns of LEDs show the time as hours, minutes and seconds, ticking away in ones and zeros. HOW TO READ IT Each column is one digit of the time: HH MM SS. Read each column from the bottom up. The LEDs are worth 1, 2, 4 and 8, so add up the ones that are lit to get the digit. For example, a column with the 2 and 4 LEDs lit shows 6. FEATURES โข Full-screen 24-hour clock with hours, minutes and seconds โข Widgets for the Home Screen, Lock Screen and StandBy โข An Apple Watch app, and complications for your watch face โข Keeps the screen on while the clock is showing โข No ads, no accounts, no data collected BINARY O'CLOCK PRO Tap the clock to open Settings, and try any of it first: a live preview shows your clock before you buy. A one-time purchase unlocks, on Apple TV, Mac, iPad, iPhone and Apple Watch alike: โข Themes: White, Aviation green, and Dust, with dark dots on sand โข Round LEDs โข Learning mode: shows what each LED is worth and the number in each column โข 12-hour time โข A speaking clock: touch and hold the clock to hear "14:32 and 20 seconds", then a beep exactly on the second No subscription. The classic blue clock stays free, widgets and complications included. Also on Apple TV and Mac. Perfect on the nightstand in StandBy, on your wrist, or as a daily brain teaser for anyone learning binary.
Binary Clock
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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
Verdict
The clearest difference is in-app purchases: Binary O'Clock at none against Binary Clock's 1. Binary O'Clock also leads on device support (5 vs 2). Binary Clock's advantage is update cadence (daily vs every 3 weeks). On price, ads and iOS requirement 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
Both are free to download. Binary Clock sells 1 one-off in-app purchase. Binary O'Clock asks for nothing beyond the download.
Binary O'Clock ships an update every 3 weeks, Binary Clock daily. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.
| Parameter | Binary O'Clock | Binary Clock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Daily โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, Mac, Apple TV, Apple Watch โ better | iPhone, iPad |
| Requires iOS | 26.0 | 26.0 |
| Further details โ not scored | ||
| Size | 8 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Backslashed | Super, Inc. |
In-app purchases
Binary O'Clock
No in-app purchases
Binary Clock
- Binary Clock Pro$2.99
Questions
Is Binary O'Clock free?
Is Binary Clock free?
Do Binary O'Clock or Binary Clock have ads?
Which is updated more often, Binary O'Clock or Binary Clock?
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