Comparison

Sphere Time vs Ctzone

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

Head to head
About

Sphere Time

Easily convert time zones to stay connected globally. This app helps frequent travelers, those with international family, or professionals working across different regions understand the time in any city worldwide. It offers an intuitive interface for seamless time zone management.

Highlights
  • Intuitive time zone conversion
  • Supports multiple time zones simultaneously
  • Works offline with cached data
  • Global city database
  • Reduces meeting time zone confusion
Features
Read full description

Powerful time zone converter for global citizens Frequent traveler? Family in other countries? Working across multiple time zones? Need to always know the time in other cities? Make the world a smaller place. Always know the time anywhere in the world. Connect more intelligently with family, business partners and customers. Important features include: Jump between time zones with a simple and intuitive interface. End time zone confusion in meetings. Multiple time zones supported for comparison Works in airplane mode with cached data Add any of the cities available world-wide

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

Screenshots

Sphere Time4 screens
Ctzone4 screens

Verdict

The call

The clearest difference is iOS requirement: Sphere Time at 9.3 against Ctzone's 17.6. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Sphere Time ships an update every 5 weeks, Ctzone every 4 weeks. The most recent releases landed on September 9, 2026 and September 7, 2026 respectively.

Scorecard1 real difference · 9 level
Sphere Time versus Ctzone: the parameters behind the verdict, then further details
ParameterSphere TimeCtzone
PriceFreeFree
Rating4.2 (10 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings10 — better—
Update frequencyEvery 5 weeksEvery 4 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS9.3 — better17.6
Further details — not scored
Size33 MB18 MB
Age rating4+4+
DeveloperSphere Consulting, Inc.Ali An Nuur

In-app purchases

None

Sphere Time

No in-app purchases

None

Ctzone

No in-app purchases

Questions

Is Sphere Time free?
Sphere Time is free to download, with no in-app purchases.
Is Ctzone free?
Ctzone is free to download, with no in-app purchases.
Do Sphere Time or Ctzone have ads?
Neither Sphere Time nor Ctzone shows ads.
Which is updated more often, Sphere Time or Ctzone?
Sphere Time ships an update every 5 weeks, and Ctzone every 4 weeks. Most recently, Sphere Time was updated on September 9, 2026 and Ctzone on September 7, 2026.

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