Comparison

World Clock vs 3DM Viewer

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

Head to head
About

World Clock

Visualize global time zones with a 3D Earth and Moon. This app displays local times for over 460 cities and offers a 3D/2D map view. It supports numerous system languages and provides detailed country and region information.

Highlights
  • 3D Earth and Moon visualization
  • Solar Clock feature
  • Over 460 cities' local time
  • 3D/2D Time Zone Map
  • Support for numerous system languages
  • Extensive country and region listing
Features
Read full description

SPIN THE WHEEL, SHOW THE TIME ! • 3D Earth & Moon • Solar Clock • Over 460+ Cities Local Time • 3D/2D Time Zone Map • System Languages: English Japanese Russian Chinese Arabic German French Spanish Korean Norwegian Hebrew Danish Portuguese Swedish Indonesian Turkish Dutch Uyghur Hungarian Polish Tibetan Czech Maltese Khmer Urdu Slovak Romanian Greek Slovene Lithuanian Latvian Hindi Kazakh Uzbek Malay Ukrainian • Countries and Regions Abkhazia, Afghanistan, Albania, Algeria, Andorra, Angola, Antigua & Barbuda, Argentina, Armenia, Australia, Austria, Azerbaijan, Bahamas, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bhutan, Bolivia, Bosnia & Herzegovina, Botswana, Brazil, Brunei, Bulgaria, Burkina Faso, Burundi, Cambodia, Cameroon, Canada, Cape Verde, Central Africa, Chad, Chile, China, Colombia, Comoros, East Congo, West Congo, Cook Islands, Costa Rica, Croatia, Cuba, Cyprus, Czech, Denmark, Djibouti, Dominican Republic, Dominica, East Timor, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Ethiopia, Fiji, Finland, France, Gabon, Gambia, Georgia, Germany, Ghana, Greece, Grenada, Guatemala, Guinea-Bissau, Guinea, Guyana, Haiti, Honduras, Hungary, Iceland, India, Indonesia, Iran, Iraq, Ireland, Israel, Italy, Ivory Coast, Jamaica, Japan, Jordan, Kazakhstan, Kenya, Kiribati, North Korea, South Korea, Kosovo, Kuwait, Kyrgyzstan, Laos, Latvia, Lebanon, Lesotho, Liberia, Libya, Liechtenstein, Lithuania, Luxembourg, Macedonia, Madagascar, Malawi, Malaysia, Maldives, Mali, Malta, Marshall Islands, Mauritania, Mauritius, Mexico, Micronesia, Moldova, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Myanmar, Nagorno-Karabakh, Namibia, Nauru, Nepal, Netherlands, New Zealand, Nicaragua, Nigeria, Niger, Niue, Norway, Oman, Pakistan, Palau, Palestine, Panama, Papua New Guinea, Paraguay, Peru, Philippines, Poland, Portugal, Qatar, Romania, Russia, Rwanda, Sahrawi, St. Kitts & Nevis, St. Lucia, St. Vincent & the Grenadines, Samoa, San Marino, Saudi Arabia, Senegal, Serbia, Seychelles, Sierra Leone, Singapore, Slovakia, Slovenia, Solomon Islands, Somalia, Somaliland, South Africa, South Ossetia, South Sudan, Spain, Sri Lanka, Sudan, Suriname, Swaziland, Sweden, Switzerland, Syria, São Tomé & Príncipe, Tajikistan, Tanzania, Thailand, Togo, Tonga, Transnistria, Trinidad & Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu, Uganda, Ukraine, UAE, UK, US, Uruguay, Uzbekistan, Vanuatu, Vatican City, Venezuela, Vietnam, Yemen, Zambia, Zimbabwe

About

3DM Viewer

Features
Read full description

3DM Viewer – Monitor Your Vehicle Anytime, Anywhere 
Gain peace of mind with the 3DM Viewer app by 3DM Vision. Access your vehicle’s cameras, track its location, and review past trips—all in one intuitive app. 3DM Viewer keeps your vehicle at your fingertips. Key Features: • Live Camera Streaming – Watch real-time footage from your vehicle’s cameras, ensuring safety and security. • Video Playback – Easily search and replay recorded footage from your vehicle cameras. • Real-Time Location Tracking – Monitor your vehicle’s live location on a map. • Route History Insights – Review past trips and traveled routes to stay informed about your vehicle’s movements. Why Choose 3DM Viewer?
 With 3DM Viewer, you’re always in control—no matter where you are. Compatible with iOS 14+. Requires a 3DM Vision camera system. Download now and never lose sight of your vehicle again!

Screenshots

World Clock4 screens
3DM Viewer4 screens

Verdict

The call

The clearest difference is price: 3DM Viewer at Free against World Clock's $2.99. 3DM Viewer also leads on update cadence (every 8 months vs every 21 months). On ads, 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

3DM Viewer is free to download; World Clock costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

World Clock ships an update every 21 months, 3DM Viewer every 8 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 6 level
World Clock versus 3DM Viewer: the parameters behind the verdict, then further details
ParameterWorld Clock3DM Viewer
Price$2.99Free — better
Positive reviews0.0% of reviews—
Update frequencyEvery 21 monthsEvery 8 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.614.0 — better
Further details — not scored
Size11 MB38 MB
Age rating4+4+
Developer俊 姜锡敏 石

In-app purchases

None

World Clock

No in-app purchases

None

3DM Viewer

No in-app purchases

Questions

Is World Clock free?
World Clock costs $2.99, with no in-app purchases.
Is 3DM Viewer free?
3DM Viewer is free to download, with no in-app purchases.
Do World Clock or 3DM Viewer have ads?
Neither World Clock nor 3DM Viewer shows ads.
Which is updated more often, World Clock or 3DM Viewer?
World Clock ships an update every 21 months, and 3DM Viewer every 8 months. Most recently, World Clock was updated on November 2, 2026 and 3DM Viewer on October 27, 2026.

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