# World Time Shifter Clock vs Prozentrechner (%)

The clearest difference is ads: World Time Shifter Clock at none against Prozentrechner (%)'s shown. World Time Shifter Clock also leads on update cadence (every 3 weeks vs every 52 months) and ratings volume (153 vs 1). Prozentrechner (%)'s advantage is rating (5.0 vs 4.7) and price ($0.99 vs $3.99). On in-app purchases, monetization model, device support and iOS requirement there is nothing between them.

World Time Shifter Clock costs $3.99 and Prozentrechner (%) $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Prozentrechner (%) holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: World Time Shifter Clock has 153 ratings behind it against 1, so its average is the more settled of the two.

World Time Shifter Clock ships an update every 3 weeks, Prozentrechner (%) every 52 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | World Time Shifter Clock | Prozentrechner (%) |
| --- | --- | --- |
| Price | $3.99 | **$0.99** |
| Rating | [4.7 (153 ratings)](https://appshunter.io/ios/app/world-time-shifter-clock-pro/id866437742/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prozentrechner/id1623761071/reviews)** |
| Number of ratings | **153** | 1 |
| Positive reviews | 94.1% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 52 months |
| Monetization | Free | Free |
| Size | 19 MB | 7 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [David Richmond](https://appshunter.io/developer/329944573) | [H Valeur](https://appshunter.io/developer/621824042) |

## What reviewers say

### World Time Shifter Clock

[App page](https://appshunter.io/ios/app/world-time-shifter-clock-pro/id866437742)

This intuitive world clock helps you coordinate with people across different time zones. Easily plan meetings, stay connected with loved ones, and manage global teams. It offers a unique visual display and time shifting capabilities for effortless time management.

**Highlights:** Unique intuitive display, Time shifting for time changes, Meeting scheduling, Global team management, Travel time forecasting, Event reminders and notifications

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✨ Stunning visuals
- 👍 Intuitive and attractive interface
- 🌍 Excellent for international time visualization
- 🚀 Efficient and readable world clock
- 💡 Unique forecasting ability

**What reviewers complain about**

- ❓ Missing specific cities (e.g., Beijing)
- 🐛 Minor typo in welcome screen
- 🤔 Lack of UTC timezone initially (resolved by GMT)

**Reported bugs**

- Welcome screen typo: "by add" instead of "by adding"
- Beijing, China not visible in city list

**Requested features**

- Bigger rim font option
- Native Mac app
- Ability to set up profiles for different projects
- Custom locations
- Time synchronization


### Prozentrechner (%)

[App page](https://appshunter.io/ios/app/prozentrechner/id1623761071)

This utility app provides a standalone percentage calculator that functions without an internet connection. Designed for intuitive and quick use, it aims to be a go-to tool for everyday calculations.

**Highlights:** Offline functionality, Intuitive design, Quick calculations, Simple to use, Standalone utility

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

**In-app purchases:** none


## Frequently asked questions

### Is World Time Shifter Clock free?

World Time Shifter Clock costs $3.99, with no in-app purchases.

### Is Prozentrechner (%) free?

Prozentrechner (%) costs $0.99, with no in-app purchases.

### Which has better reviews, World Time Shifter Clock or Prozentrechner (%)?

Prozentrechner (%) is rated higher. World Time Shifter Clock averages 4.7 out of 5 from 153 ratings, while Prozentrechner (%) averages 5.0 from 1 ratings.

### Do World Time Shifter Clock or Prozentrechner (%) have ads?

Prozentrechner (%) shows ads; World Time Shifter Clock does not.

### Which is updated more often, World Time Shifter Clock or Prozentrechner (%)?

World Time Shifter Clock ships an update every 3 weeks, and Prozentrechner (%) every 52 months. Most recently, World Time Shifter Clock was updated on November 1, 2026 and Prozentrechner (%) on November 3, 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.*