Big binary clock vs Catdown ~ Countdown
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Big binary clock
This app displays the current time using binary code. Customize the appearance with different LED shapes, colors, and brightness levels. It offers a unique way to view time for tech enthusiasts.
- Binary time display
- Round LED option
- Square LED option
- Geek mode
- Customizable colors
- Adjustable brightness
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Big Binary clock is a engaging innovation that does exactly what you'd expect a Binary Clock to do - it tells the time in Binary format. Options: -Round LED's -Square LED's -Geek mode -Show time (on / off) -Auto lock (on / off) -time format (12 / 24 ) -All colors (swipe right, left for change colors) -Brightness (swipe up, down for change brightness) -Tap for hide help numbers
Catdown ~ Countdown
Create personalized countdowns for any event with customizable themes and AI-generated visuals. Add your own photos or drawings to make each countdown unique. Make waiting for special moments more enjoyable with a touch of feline charm.
- Fully customizable countdowns
- Personalized themes and color palettes
- Upload own photos or drawings
- AI-generated visual inspiration
- Cute cat imagery options
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Countdown to your special day—your way, with a touch of cuteness. Catdown is a delightfully customizable countdown widget that helps you celebrate what matters most. Whether it’s a birthday, anniversary, or a dream trip, you can make each countdown uniquely yours. Fully personalizable Choose from our cute cat images, upload your own photo, or even draw one yourself. Customize the color palette to match your style—no limits! Powered by Apple Intelligence Need some inspiration? Tap “generate” and let AI create a visual that speaks to you. Make every moment worth waiting for.
Screenshots
Verdict
The clearest difference is review sentiment: Catdown ~ Countdown at 100% against Big binary clock's 50%. Catdown ~ Countdown also leads on update cadence (daily vs every 13 months). Big binary clock's advantage is price ($0.99 vs $3.99) and device support (3 vs 1). On ads, in-app purchases and monetization model 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
Big binary clock costs $0.99 and Catdown ~ Countdown $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Big binary clock ships an update every 13 months, Catdown ~ Countdown daily. The most recent releases landed on September 24, 2026 and September 9, 2026 respectively.
| Parameter | Big binary clock | Catdown ~ Countdown |
|---|---|---|
| Price | $0.99 — better | $3.99 |
| Rating | 4.6 (5 ratings) — better | — |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 — better | — |
| Update frequency | Every 13 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.4 — better | 18.1 |
| Further details — not scored | ||
| Size | 2 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Rutkowskij | Chatsopon Deepateep |
Customer experience
Big binary clock
Catdown ~ Countdown
In-app purchases
Big binary clock
No in-app purchases
Catdown ~ Countdown
No in-app purchases
Questions
Is Big binary clock free?
Is Catdown ~ Countdown free?
Do Big binary clock or Catdown ~ Countdown have ads?
Which is updated more often, Big binary clock or Catdown ~ Countdown?
Other comparisons
