World Clock vs Clock Stamp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
World Clock
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Pin your cities once. Slide time forward or back. See the whole world's clock at a glance. Instantly know who's awake, what day it is for them, and when a moment works for everyone. WHAT YOU GET — Time shift scrubber: drag up to ±12 hours in 15 min, 30 min, or 1 hr steps — Find Best Time: jump straight to the next window when everyone's awake — Flags, local times, UTC offsets, and timezone names for every city — Day/night indicator so you can see at a glance who's asleep — Tomorrow/yesterday badge when a city's date differs from yours — Tap any city's time to copy it to clipboard — One-tap share of the current shifted moment across all your cities, or as an image card — City search from a worldwide database — Reorder and remove cities freely — Dark mode, light mode, 12-hour or 24-hour clock PRIVATE BY DEFAULT Your city list lives on your device. Works offline. No account needed. TimeShift Pro is a one-time purchase, no subscription: unlimited cities (free stays at 12), four premium accent themes, unlimited Find Best Time searches, Share as Card, and two alternate app icons. Built for remote workers, founders, frequent travelers — anyone juggling more than one clock.
Clock Stamp
This app displays multiple city time zones on a single, elegant clock face. It provides visual context for day, night, and weather in each location, aiding in travel planning and international communication.
- Multiple city time zones
- Visual analog world clock
- Local time difference display
- Weather and day/night context
- 12-hour and 24-hour modes
- Light and dark appearance
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Clock Stamp makes world time easy to read. See the time in several cities at once on one elegant dial, and check time differences, whether it's day or night, and the local weather at a glance. • Dial: every city sits on the dial, so time differences and daylight are clear at a glance • City search: search Apple Maps for cities and towns worldwide, and add as many as you like • Local Time: follows your location, or uses your phone's time zone • Weather: local weather at a glance, with backgrounds and weather effects that follow each city's time and weather • iPhone Duo: controls within reach of your thumb on both displays, and a live map of Earth showing day and night when it's open • 12/24-hour dial, Light/Dark appearance, Celsius/Fahrenheit, two text sizes • Six languages: English, 简体中文, Français, Italiano, 日本語, 한국어 • Supports VoiceOver and Reduce Motion Made for working across borders, remote meetings, planning trips, studying abroad, and keeping in touch with friends and family in other time zones.
Screenshots
Verdict
The clearest difference is in-app purchases: Clock Stamp at none against World Clock's 1. Clock Stamp also leads on update cadence (every 2 days vs every 5 weeks). World Clock's advantage is iOS requirement (15.1 vs 26.2). 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
Both are free to download. World Clock sells 1 one-off in-app purchase. Clock Stamp asks for nothing beyond the download.
World Clock ships an update every 5 weeks, Clock Stamp every 2 days. Both last shipped on October 31, 2026.
| Parameter | World Clock | Clock Stamp |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 26.2 |
| Further details — not scored | ||
| Size | 41 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomash Sugint | Zhicheng Chen |
In-app purchases
World Clock
- TimeShift Pro$3.99
Clock Stamp
No in-app purchases








