Comparison

Ctzone vs BigClock

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

Head to head
About

Ctzone

Features
Read full description

Ctzane is an offline app that helps you explore, track, and manage time zones around the globe, whether you’re a frequent traveler, remote worker, or just curious about world clocks. With an intuitive interface, CTZone delivers fast, reliable access to local times, personalized favorites, and flexible formatting. Ctzone can be accessed completely offline, storing time zone and location data directly on the device. With an intuitive interface, you can dynamically select your home and destination countries and see how their local times compare with just a few taps. Key Features & Functionality: - Real‑Time Search & Filtering
 instantly find any city or country by typing a few letters. Ctzone’s search filters your list as you type, so you’ll never scroll through hundreds of entries again. - Pin & Bookmark Favorites
Tap the pin icon on a location’s detail screen to bookmark it. - 12‑Hour and 24‑Hour Toggle
Switch between AM/PM and 24‑hour formats with one tap. Your preference is saved automatically, so Ctzone always displays times the way you like. - Offline access to stores pinned locations, search, and format settings locally. Once you’ve loaded your list, you don’t need a network connection to view your favorites again. Use Cases - Travel Planning: Compare departure and arrival times across zones before you book. - Remote Collaboration: Coordinate meetings with teammates in multiple countries without mental math. - Event Scheduling: Verify time conversions for global webinars, live streams, or virtual conferences. Ctzone brings the world’s clocks to your pocket with a modern, user‑friendly design.  Download now and take control of time, anywhere, anytime. Meet the Ctzone Squad Crafted with passion by Ali An Nuur, Steven, Aria Maulana

About

BigClock

Features
Read full description

It's a clock with no function It's a big clock with a full screen size There is no Ads

Screenshots

Ctzone4 screens
BigClock3 screens

Verdict

The call

Ctzone and BigClock are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
Ctzone versus BigClock: the parameters behind the verdict, then further details
ParameterCtzoneBigClock
PriceFreeFree
Update frequencyEvery 4 weeks—
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone
Requires iOS17.617.6
Further details — not scored
Size18 MB0 MB
Age rating4+4+
DeveloperAli An NuurChangJae Mun

In-app purchases

None

Ctzone

No in-app purchases

None

BigClock

No in-app purchases

Questions

Is Ctzone free?
Ctzone is free to download, with no in-app purchases.
Is BigClock free?
BigClock is free to download, with no in-app purchases.
Do Ctzone or BigClock have ads?
Neither Ctzone nor BigClock shows ads.

Other comparisons