# Unit Converter vs World Clock Time Zone Widgets

The clearest difference is update cadence: World Clock Time Zone Widgets at every 3 weeks against Unit Converter's every 3 months. World Clock Time Zone Widgets also leads on device support (4 vs 2) and iOS requirement (15.4 vs 17.0). Unit Converter's advantage is ratings volume (193K vs 22K). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Unit Converter sells 4 in-app purchases, starting at $3.99 per month and World Clock Time Zone Widgets sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Unit Converter against 4.7 for World Clock Time Zone Widgets. That said, the two scores are not equally well evidenced: Unit Converter has 193K ratings behind it against 22K, so its average is the more settled of the two. Written reviews are what separate them: 76% of Unit Converter's written reviews are positive against 77% of World Clock Time Zone Widgets's.

Unit Converter ships an update every 3 months, World Clock Time Zone Widgets every 3 weeks. Both last shipped on September 25, 2026.

## The numbers

| Metric | Unit Converter | World Clock Time Zone Widgets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (193K ratings)](https://appshunter.io/ios/app/unit-converter-best-unit-app/id623691968/reviews)** | [4.7 (22K ratings)](https://appshunter.io/ios/app/world-clock-time-zone-widgets/id956377119/reviews) |
| Number of ratings | **193K** | 22K |
| Positive reviews | 75.9% of reviews | **77.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#120** | #160 |
| Size | 13 MB | 158 MB |
| Requires iOS | 17.0 | **15.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 9+ |
| Developer | [Alan Mrvica](https://appshunter.io/developer/593306623) | [Overdesigned, LLC](https://appshunter.io/developer/914665832) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-best-unit-app/id623691968)

**Currently charting:** #120 Top Grossing · Travel (US App Store)

Easily convert between a wide range of units across 20 categories, including length, weight, temperature, and more. Features live currency updates for 155 world currencies, refreshed daily. Designed for simplicity and visual appeal.

**Highlights:** 20 conversion categories, Live currency updates, 155 world currencies, Daily exchange rate refresh, Simple and beautiful design, Swap units functionality

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | per month |
| Premium | $6.99 | per month |
| Premium | $24.99 | per year |
| Premium | $34.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Comprehensive conversions
- 💡 Useful for travel and cooking
- 🚀 Quick and efficient
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Limited character input
- 🐛 Difficulty with negative numbers
- 💡 Lack of ability to quickly switch between conversions
- 💰 Pro version not worth the cost

**Reported bugs**

- Forced 5-star review prompt
- Inaccurate weight/stone conversion

**Requested features**

- Add calorie/kJ conversion
- Allow negative number input
- Improve ability to quickly switch between conversions


### World Clock Time Zone Widgets

[App page](https://appshunter.io/ios/app/world-clock-time-zone-widgets/id956377119)

**Currently charting:** #160 Top Grossing · Travel (US App Store)

Easily track the time in multiple cities worldwide with customizable analog or digital clock widgets. Get instant access to local times from your Home Screen, Lock Screen, or Dynamic Island. Includes a conversion tool for comparing times and managing schedules across different zones.

**Highlights:** Analog and digital clock displays, Search and manage 10,000+ cities, Customizable city names, Home, Lock Screen, and Dynamic Island widgets, Live Activities support, Time zone conversion tool, Sunrise/sunset and moon phase information

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| World Clock Pro | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate time display
- 🌍 Helpful for tracking multiple time zones
- 💡 Customizable widgets
- 👍 Simple and clean interface

**What reviewers complain about**

- 🐛 Widget issues (not updating, displaying incorrect time)
- 💰 Ads can be intrusive
- 🐛 Occasional crashes or bugs
- 🔋 Widget drains battery
- 🔒 Lack of iCloud sync between devices

**Reported bugs**

- Widget not updating correctly
- App crashing when adding/editing locations
- Incorrect time zone offsets for some locations

**Requested features**

- Add more customization options for widgets
- Improve widget reliability and update speed
- Integrate with Apple Watch
- Add ability to calculate time differences between locations
- Provide a smaller widget size option


## Frequently asked questions

### Is Unit Converter free?

Unit Converter is free to download, with in-app purchases available.

### Is World Clock Time Zone Widgets free?

World Clock Time Zone Widgets is free to download, with in-app purchases available.

### Which has better reviews, Unit Converter or World Clock Time Zone Widgets?

Unit Converter is rated higher. Unit Converter averages 4.8 out of 5 from 193K ratings, while World Clock Time Zone Widgets averages 4.7 from 22K ratings.

### Do Unit Converter or World Clock Time Zone Widgets have ads?

Both Unit Converter and World Clock Time Zone Widgets show ads.

### Which is updated more often, Unit Converter or World Clock Time Zone Widgets?

Unit Converter ships an update every 3 months, and World Clock Time Zone Widgets every 3 weeks. Most recently, Unit Converter was updated on September 25, 2026 and World Clock Time Zone Widgets on September 25, 2026.

### Which is more popular, Unit Converter or World Clock Time Zone Widgets?

Unit Converter currently peaks at #120 in the App Store charts, and World Clock Time Zone Widgets at #160. Chart position reflects recent download velocity rather than total install base.

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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.*