# World Time Shifter Clock vs Tip Zombie

The clearest difference is rating: Tip Zombie at 5.0 against World Time Shifter Clock's 4.4. Tip Zombie also leads on ads (none vs shown) and monetization model (free vs ad-supported). World Time Shifter Clock's advantage is ratings volume (98 vs 2). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tip Zombie holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: World Time Shifter Clock has 98 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

World Time Shifter Clock ships an update every 3 weeks, Tip Zombie every 2 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | World Time Shifter Clock | Tip Zombie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (98 ratings)](https://appshunter.io/ios/app/world-time-shifter-clock/id1499246199/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tip-zombie/id6760268550/reviews)** |
| Number of ratings | **98** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 23 MB | 61 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Richmond](https://appshunter.io/developer/329944573) | [Zombie Platforms LLC](https://appshunter.io/developer/1882441097) |

## What reviewers say

### World Time Shifter Clock

[App page](https://appshunter.io/ios/app/world-time-shifter-clock/id1499246199)

This app helps you manage time across different time zones for global coordination. Easily plan meetings, stay connected with loved ones, and track events worldwide. Its intuitive display and time-shifting feature make it simple to understand and use.

**Highlights:** Intuitive world clock display, Time shifting for time zone comparison, Meeting scheduling across time zones, Travel time forecasting, Event reminders and notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Tip Zombie

[App page](https://appshunter.io/ios/app/tip-zombie/id6760268550)

This app helps you confidently calculate tips worldwide, offering location-aware guidance for over 100 countries. It provides service-specific recommendations and handles various currencies and tipping modes.

**Highlights:** Location-aware tipping guidance for 100+ countries, Service-specific tipping recommendations, Supports percentage, flat rate, optional, and no-tip modes, Handles standard, zero-decimal, and three-decimal currencies, Flexible calculation options, Built-in Tip Guide with cultural context, Private by design, no account or data collection

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is World Time Shifter Clock free?

World Time Shifter Clock is free to download, with no in-app purchases.

### Is Tip Zombie free?

Tip Zombie is free to download, with no in-app purchases.

### Which has better reviews, World Time Shifter Clock or Tip Zombie?

Tip Zombie is rated higher. World Time Shifter Clock averages 4.4 out of 5 from 98 ratings, while Tip Zombie averages 5.0 from 2 ratings.

### Do World Time Shifter Clock or Tip Zombie have ads?

World Time Shifter Clock shows ads; Tip Zombie does not.

### Which is updated more often, World Time Shifter Clock or Tip Zombie?

World Time Shifter Clock ships an update every 3 weeks, and Tip Zombie every 2 weeks. Most recently, World Time Shifter Clock was updated on November 3, 2026 and Tip Zombie on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*