Comparison

Big Days vs ClockX

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

Head to head
About

Big Days

Easily track important dates with a stylish and lightweight countdown app. Set reminders for appointments, anniversaries, birthdays, and more. Customize with your own photos or find free images online, and receive notifications for upcoming events.

Highlights
  • Countdown to events
  • Track days elapsed
  • Customizable event images
  • Online image search (Pixabay)
  • Event notifications/alarms
  • Favorite event display
  • Share events
Features
Read full description

For over 12 years, Big Days has helped millions of people look forward to life's most meaningful moments. Over 2 million downloads. NOW WITH ALL-NEW WIDGETS Keep your most important events front and center on your iPhone. With brand-new Home Screen and StandBy widgets, your countdown is always just a glance away. The fresh, modern look integrates smoothly into the iOS aesthetic. FIND THE PERFECT BACKGROUND Don't feel limited to your camera roll. Thanks to integrated Pixabay search, you can explore millions of free, high-resolution photos without ever leaving the app. Find the perfect backdrop for any occasion in seconds. REMINDERS & NOTIFICATIONS Never miss an important date again! Set custom alerts for any event and receive a notification right when it's time to celebrate or start packing. FULLY CUSTOMIZABLE Tailor every countdown to match your personal taste with custom fonts, colors, themes, and backgrounds: • Choose from dozens of clean, modern typefaces. • Adjust text color, alignment, and position. • Days remaining & days since: track both upcoming events and how much time has passed. • Favorite event on startup: set your primary countdown to open instantly when launch the app. • Easy sharing: export your countdowns for social media or save them directly as wallpapers. Follow us and share your special moments: #bigdaysapp @bigdaysapp For support or feedback, please use the Support module inside the app's Info menu.

About

ClockX

Features
Read full description

ClockX is a simple, powerful time clock for teams and individuals in Germany. Track work hours with one tap, log breaks automatically, and stay compliant with German labour law (ArbZG) and audit-proof records (GoBD). • One-tap clock in/out with live timer and break reminders • Absence, vacation (Urlaub), sick leave and shift planning • Trip & mileage logging (Fahrtenbuch) for business travel • Projects with time allocation and photo documentation • Calendar with public holidays, vacation and shifts • Export your hours with or without projects and trips • Works fully offline on-device, or synced in the cloud ClockX Premium unlocks all productive features for €1.50 per user / month. Explore the app for free and subscribe whenever you're ready. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://clockx.io/datenschutz

Screenshots

Big Days4 screens
ClockX4 screens

Verdict

The call

The clearest difference is ads: ClockX at none against Big Days's shown. ClockX also leads on update cadence (every 2 days vs every 4 months). On price, in-app purchases, device support and iOS requirement 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. Big Days sells 2 one-off in-app purchases and ClockX sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Big Days ships an update every 4 months, ClockX every 2 days. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 8 level
Big Days versus ClockX: the parameters behind the verdict, then further details
ParameterBig DaysClockX
PriceFreeFree
Rating4.6 (590 ratings) — better—
Positive reviews91.4% of reviews—
Number of ratings590 — better—
Update frequencyEvery 4 monthsEvery 2 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size81 MB36 MB
Age rating4+4+
DeveloperastrovicAppsIP Strategy UG (Haftungsbeschrankt)

Bugs and requests

Big Days

Reported bugs

3 issues
  • Login screen freezes
  • Images disappearing from events
  • Constant ads interrupting usage

Requested features

5 requests
  • Unlimited free events
  • Recurring event option
  • Customizable countdown styles
  • Ability to reorder events
  • Sync across multiple devices

ClockX

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Big Days

One-time2
  • Widget Pack$2.99
  • Big Days Pro$3.99
1 purchases

ClockX

Subscriptions1
  • ClockX Premium$0.991 Month

Questions

Is Big Days free?
Big Days is free to download, with in-app purchases available.
Is ClockX free?
ClockX is free to download, with in-app purchases available.
Do Big Days or ClockX have ads?
Big Days shows ads; ClockX does not.
Which is updated more often, Big Days or ClockX?
Big Days ships an update every 4 months, and ClockX every 2 days. Most recently, Big Days was updated on October 14, 2026 and ClockX on October 5, 2026.

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