Comparison

Big binary clock vs CardKeeper

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

Head to head
About

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.

Highlights
  • Binary time display
  • Round LED option
  • Square LED option
  • Geek mode
  • Customizable colors
  • Adjustable brightness
Features
Read full description

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

About

CardKeeper

Features
Read full description

CardKeeper: Cards & Passes is the simple way to store the cards you actually use. Stop digging through your wallet, screenshots, emails, and old messages just to find one loyalty card at checkout. With CardKeeper, you can scan and save your loyalty cards, membership cards, transport passes, and barcode or QR-based cards directly on your device and keep them ready whenever you need them. Built to stay fast, clean, and easy to use, CardKeeper helps you organize everyday cards in one place without clutter. WHAT YOU CAN DO • Scan QR codes and supported barcodes in seconds • Save loyalty cards, membership cards, and everyday passes • Organize cards into categories • Mark important cards as favorites • Search by keyword to find cards faster • Open saved cards quickly at checkout or entry points • Keep your most-used cards close at hand PERFECT FOR • Store loyalty cards • Shopping reward programs • Membership cards • Transport cards • Gym or club cards • Barcode and QR-based passes • Everyday cards you want available on your phone WHY CARDKEEPER Most card apps try to do too much. CardKeeper does one job well: it helps you save and open your cards fast. The experience is designed to be simple: scan a card, name it, save it, and use it later. No bloated wallet experience. No confusing setup. No nonsense. JUST OPEN AND SHOW When you are at the register, at the gym, in a shop, or anywhere else a barcode or QR code needs to be scanned, CardKeeper makes it easy to bring up the right card quickly. YOUR CARDS, ORGANIZED Keep everything sorted in clear categories such as: • Favorites • Shopping & Loyalty • Membership • Transport You can keep your collection neat and easy to browse, even as it grows. FAST SEARCH Need one specific card right now? Use keyword search instead of scrolling through endless screenshots or digging through your physical wallet. CLEAN AND PRACTICAL CardKeeper is made for people who want a focused app that solves a real everyday problem: keeping important cards and passes available on demand. If you regularly use loyalty cards, membership cards, or other "scannable" passes, CardKeeper gives them a proper place on your device. Download CardKeeper: Cards & Passes and keep your cards ready when it matters. Privacy Policy: https://iomc.rs/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Big binary clock4 screens
CardKeeper4 screens

Verdict

The call

The clearest difference is price: CardKeeper at Free against Big binary clock's $0.99. Big binary clock's advantage is iOS requirement (14.4 vs 18). On ads, in-app purchases and device support 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

CardKeeper is free to download; Big binary clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
Big binary clock versus CardKeeper: the parameters behind the verdict, then further details
ParameterBig binary clockCardKeeper
Price$0.99Free — better
Rating4.6 (5 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 13 months—
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.4 — better18
Further details — not scored
Size2 MB2 MB
Age rating4+4+
DeveloperAlexander RutkowskijMilan Djordjevic

In-app purchases

None

Big binary clock

No in-app purchases

None

CardKeeper

No in-app purchases

Questions

Is Big binary clock free?
Big binary clock costs $0.99, with no in-app purchases.
Is CardKeeper free?
CardKeeper is free to download, with no in-app purchases.
Do Big binary clock or CardKeeper have ads?
Neither Big binary clock nor CardKeeper shows ads.

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