Glass Watch vs Clock Stamp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Glass Watch
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Glass Watch is a calm and elegant time management app that combines a clock, timer, stopwatch, world clock, alarm and focus timer into a single experience. Designed with a modern glass-inspired interface, Glass Watch helps you stay aware of time without unnecessary distractions. Whether you are working, studying, exercising or traveling, the tools you need are always within reach. ■ Features ・Clock View the current time with optional seconds display and 12/24-hour formats. ・World Clock Track multiple cities and time zones for travel, remote work and international teams. ・Timer Simple countdown timers for studying, cooking, workouts and everyday tasks. ・Stopwatch Measure elapsed time and record lap times. ・Focus Timer Create structured focus and break sessions inspired by productivity methods such as Pomodoro. ・Alarm Create one-time or repeating alarms using local notifications. ・Widgets Check time and focus sessions directly from your home screen. ・Themes & Customization Adjust appearance and display settings to fit your workflow. ■ Perfect For ・Students ・Professionals ・Remote workers ・Travelers ・Anyone looking for a clean and distraction-free clock app ■ Local-First Glass Watch is designed to work primarily on your device without requiring account registration or cloud synchronization. ※ Notification delivery may be affected by OS settings, battery optimization and device restrictions. ※ Widget refresh frequency may vary depending on platform behavior.
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 iOS requirement: Glass Watch at 15.0 against Clock Stamp's 26.2. On price, ads, 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 | Glass Watch | Clock Stamp |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 2 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 28 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | NINJA SYSTEM | Zhicheng Chen |
In-app purchases
Glass Watch
No in-app purchases
Clock Stamp
No in-app purchases









