World Clock 世界時鐘 vs Meridiem
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
World Clock 世界時鐘
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World Clock makes it effortless to track time across the globe. Whether you travel, work with international teams, or keep in touch with family abroad, you'll always know what time it is anywhere. KEY FEATURES - World Clock — See the current time in multiple cities at a glance - Add Cities — Search and add any city you care about - Meeting Planner — Find the best time to connect across time zones - Time Converter — Instantly convert times between zones - Clean, simple interface — Everything you need, nothing you don't - Remove Ads — Optional in-app purchase for an ad-free experience WHY WORLD CLOCK - Perfect for frequent travelers and business trips - Plan calls and meetings with overseas clients and colleagues - Coordinate with friends and family in different time zones - Avoid confusion over time differences and jet lag World Clock is free to use, supported by ads. You can remove ads anytime via in-app purchase.
Meridiem
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Meridiem is a world clock built for people who live across time zones — remote teams, long-distance relationships, frequent travelers, and anyone who needs to know what time it is somewhere else, at a glance. See the whole picture on a living 3D globe that tracks day and night in real time, with every city you follow pinned right where it belongs. Switch to Timeline to compare hours side by side, and let Golden Hour do the math for you — it automatically finds the best overlapping window to call, meet, or message someone in a different time zone. FEATURES - Interactive 3D globe with a real-time day/night terminator - Golden Hour: automatically finds the best time to connect across every city you track - Add any city in seconds, with smart matches for lesser-known places (search "Alaska" and Adak shows up; search "Guadalajara" and Mexico City appears, since they share a zone) - Fully customizable list — reorder or remove any city, including the ones Meridiem starts you with - A clean, calm, distraction-free design PRIVATE BY DESIGN Meridiem doesn't ask for your location, doesn't require an account, and doesn't connect to the internet at all. "You" is simply your iPhone's own time zone setting. There's no tracking, no analytics, and nothing about you ever leaves your device. Whether you're just curious what time it is in Tokyo right now, keeping up with family abroad, or coordinating with a team across three continents, Meridiem makes time zones feel simple again.
Screenshots
Verdict
The clearest difference is ads: Meridiem at none against World Clock 世界時鐘's shown. World Clock 世界時鐘's advantage is iOS requirement (13.0 vs 17.0). On price, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | World Clock 世界時鐘 | Meridiem |
|---|---|---|
| Price | Free | Free |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 23 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | fung ka wa | Alejandro Paez |
In-app purchases
World Clock 世界時鐘
No in-app purchases
Meridiem
No in-app purchases









