Comparison

Zen World Time Converter vs 54 Dân Tộc

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

Head to head
About

Zen World Time Converter

Easily find the current time in any location worldwide. This app simplifies scheduling calls across different time zones with an intuitive slider for quick time adjustments. It offers extensive location data and clear visual differentiation of day and night hours.

Highlights
  • Global time zone conversion
  • Over 22,000 locations
  • Customizable daylight hours
  • Intuitive time slider
  • Clear day/night differentiation
  • Ad-free experience
Features
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Zen World Time makes finding times in any location around the globe fast and easy. Figuring out the best time to call someone in a different time zone has never been easier—just drag our unique slider. Features • Over 22,000 locations available worldwide • Customizable daylight hours for each location • Elegant and intuitive interface • Nighttime and daytime hours are clearly differentiated • Time slider lets you advance to future times quickly • Ad-free • In-app purchase gives you access to all features Try it today!

About

54 Dân Tộc

Features
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54 Dân Tộc là ứng dụng AI đầu tiên dành riêng cho cộng đồng 54 dân tộc Việt Nam. Trò chuyện, lắng nghe, và bảo tồn văn hóa — bằng chính tiếng mẹ đẻ của bạn. [TÍNH NĂNG NỔI BẬT] • 25 người bạn AI — mỗi dân tộc một tính cách, câu chuyện, ngôn ngữ • Trò chuyện bằng giọng nói thật — phản hồi tức thì • Hỗ trợ tiếng H'Mông, Ê-Đê, Khmer và nhiều ngôn ngữ dân tộc • Hỏi đáp văn hóa, lễ hội, phong tục — có dẫn nguồn tin cậy • Tải gói dân tộc để dùng offline — phù hợp vùng sóng yếu • Bảo mật tuyệt đối, không chia sẻ dữ liệu cá nhân [SỨ MỆNH] Chúng tôi tin rằng công nghệ AI có thể gìn giữ và lan tỏa di sản của 54 dân tộc anh em. Mỗi cuộc trò chuyện là một nhịp cầu nối quá khứ với tương lai. [DÀNH CHO AI] • Người trẻ muốn khám phá văn hóa dân tộc mình • Gia đình muốn giữ tiếng mẹ đẻ cho con cháu • Nhà nghiên cứu, giáo viên, học sinh • Bất cứ ai quan tâm đến di sản Việt Nam [LƯU Ý] Ứng dụng sử dụng AI. Mọi tin nhắn đều từ trợ lý ảo, không phải người thật. Dữ liệu văn hóa có dẫn nguồn, khuyến nghị kiểm chứng với chuyên gia khi cần.

Screenshots

Zen World Time Converter4 screens
54 Dân Tộc4 screens

Verdict

The call

The clearest difference is in-app purchases: 54 Dân Tộc at none against Zen World Time Converter's 1. 54 Dân Tộc also leads on update cadence (every 3 days vs every 2 months). Zen World Time Converter's advantage is iOS requirement (10.0 vs 15.0). On price, ads 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

Both are free to download. Zen World Time Converter sells 1 one-off in-app purchase. 54 Dân Tộc asks for nothing beyond the download.

UpkeepUpdate frequency

Zen World Time Converter ships an update every 2 months, 54 Dân Tộc every 3 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Zen World Time Converter versus 54 Dân Tộc: the parameters behind the verdict, then further details
ParameterZen World Time Converter54 Dân Tộc
PriceFreeFree
Rating4.6 (189 ratings) — better—
Positive reviews88.2% of reviews—
Number of ratings189 — better—
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPodiPhone, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size18 MB69 MB
Age rating4+17+
DeveloperVlad ParaschivVu Dong

Bugs and requests

Zen World Time Converter

Reported bugs

8 issues
  • Time doesn't auto-update after app launch
  • Red button to snap back to current time shows outdated time
  • Incorrect time zone placement (St. Barthélemy in French Alps instead of Caribbean)
  • Calendar functionality not working as expected
  • Sunrise/sunset can only be set in 30-minute increments
Show 3 more
  • Daylight saving time not captured correctly in some regions
  • Hijri calendar mode cannot be changed to Gregorian
  • Cannot select specific dates manually

Requested features

16 requests
  • 24-hour time format option
  • Ability to rearrange cities by drag-and-drop
  • Alphabetical or custom sorting of city list
  • Customizable font colors per city
  • Custom city names (e.g., 'Grandma', 'Corporate')
Show 11 more
  • Minute-level time interval adjustments (15-min, 1-min increments)
  • Quick date selection for future dates
  • Automatic sunrise/sunset time updates based on location
  • UTC time zone display
  • Compact view option to fit more cities on screen
  • Widget functionality for home screen
  • Outlook calendar integration
  • Ability to view previous days
  • Add missing cities and locations
  • Move app settings from iPhone settings into app
  • Zoom in/out functionality

54 Dân Tộc

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Zen World Time Converter

One-time1
  • Zen World Time Pro Features$5.99
None

54 Dân Tộc

No in-app purchases

Questions

Is Zen World Time Converter free?
Zen World Time Converter is free to download, with in-app purchases available.
Is 54 Dân Tộc free?
54 Dân Tộc is free to download, with no in-app purchases.
Do Zen World Time Converter or 54 Dân Tộc have ads?
Neither Zen World Time Converter nor 54 Dân Tộc shows ads.
Which is updated more often, Zen World Time Converter or 54 Dân Tộc?
Zen World Time Converter ships an update every 2 months, and 54 Dân Tộc every 3 days. Most recently, Zen World Time Converter was updated on November 3, 2026 and 54 Dân Tộc on October 30, 2026.

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