World Sync vs WAI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
World Sync
Easily check and compare current or future times across multiple global locations. Coordinate meetings, travel, or connect with loved ones worldwide with a simple scroll interface. No account setup required for instant global time awareness.
- Compare time across unlimited cities
- Scroll to view future times
- Add and manage custom city lists
- Daylight saving time insights
- Immediate use without account setup
- Smart location setup
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World Sync is the easiest way to check and compare the time anywhere in the world, now or in the future. Whether you’re coordinating a meeting, catching up with family overseas, or booking travel, World Sync helps you see what time it will be across your selected cities—all with a simple scroll. No account. No setup. Unlimited cities. Just global time awareness made effortless. Features: • Immediate use – Launch and start syncing time immediately without creating an account. • Smart location setup – Use your current location or enter a city manually. • Scroll to the future – Drag the time ribbon forward or backward to see how local times shift across all your selected cities. • Custom city list – Add, reorder, or remove cities anytime. • Daylight saving insights – Tap the info button to see when and how time shifts due to DST. • Manual control – Switch your “current city” to simulate different scenarios. Perfect for remote teams, travelers, event planners, or anyone who needs to think globally.
WAI
Easily track time across multiple cities with this clean and lightweight world clock. Plan schedules with quick hour offset calculations, ideal for travelers and remote teams.
- Save favorite cities and time zones
- View live local time
- Quick hour offset calculation
- Simple, distraction-free design
- No account required
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WAI-TZ is a clean and lightweight world clock app that helps you keep track of time across cities — perfect for travel, remote teams, and family in different time zones. Features • Save your favorite cities and time zones • See local time instantly, updated live • Quick hour offset to plan schedules (“What if it’s +3 hours?”) • Simple, distraction-free design • No account required
Screenshots
Verdict
The clearest difference is price: World Sync at Free against WAI's $0.99. On rating, ratings volume, update cadence and ads 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
World Sync is free to download; WAI costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for World Sync against 5.0 for WAI. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
World Sync ships an update fortnightly, WAI every 2 weeks. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.
| Parameter | World Sync | WAI |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Fortnightly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.6 — better | 18.6 |
| Further details — not scored | ||
| Size | 18 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | One47 | Yusuf Butun |
Customer experience
World Sync
WAI
In-app purchases
World Sync
No in-app purchases
WAI
No in-app purchases
