ZoneFlip vs Clock Stamp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZoneFlip
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ZoneShift is the fastest, cleanest way to work across time zones. Pin your most-used cities and see their current times on one screen — no scrolling, no setup friction. Tap any card to enter What-If mode: type a time in that zone and every other pin updates instantly. Perfect for scheduling meetings, booking calls, or just keeping track of friends abroad. Features: - Fast single-screen design — all times visible at once - What-If mode — type a time in any zone, see it everywhere - 24h or 12h clock, your choice - Fully offline — no internet required, no accounts, no tracking - Overlap Finder (Pro) — see shared business hours across all your zones - Unlimited zone pins (Pro) - Share time tables (Pro) ZoneShift Pro is a one-time purchase that unlocks all features forever.
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 is a visual world clock designed for people who live across time zones. Add cities around the world, compare local times at a glance, and see each location’s day, night, and weather context on one elegant clock face. It is useful for travel planning, remote work, international meetings, studying abroad, and staying connected with friends and family overseas. Features: • Multiple city time zones • Visual analog world clock • Local time difference display • Weather and day/night context • 12-hour and 24-hour modes • Celsius and Fahrenheit support • Light and dark appearance • Clean mode with airport-style city codes • Multi-language interface
Screenshots
Verdict
The clearest difference is in-app purchases: Clock Stamp at none against ZoneFlip's 1. On price, ads, 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
Both are free to download. ZoneFlip sells 1 one-off in-app purchase. Clock Stamp asks for nothing beyond the download.
| Parameter | ZoneFlip | Clock Stamp |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 26.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 0 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | 永 张 | Zhicheng Chen |
In-app purchases
ZoneFlip
- ZoneFlip Pro$4.99
Clock Stamp
No in-app purchases








