Comparison

Unit Converter vs World Clock Time Zone Widgets

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Unit Converter

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
Currently charting
Read full description

This is Units Plus Converter SWAP units by pressing button on keypad (lower left) ***Now with LIVE Currency Updates for all major currencies in the world*** Very simple and beautifully designed unit converter with 20 categories and many different units: CONVERT: *Angle *Area *Currency (155 world currencies updated every day.) *Data-computer data (byte, kilobyte, megabyte, etc.) *Data-Network Speed *Energy *Force *Fuel-Mileage *Length *Pants *Power *Pressure *Shoes *Speed *Temperature *Time (days, weeks, hours, etc.) *Tops-Clothing *Torque *Volume (dry and wet) *Weight-mass Currency exchange rates are downloaded once a day when app is opened. Every download uses very small amount of data. Around 1-2kb. Internet connection required. 155 currencies available - This is all world currencies with their respective country flags.

About

World Clock Time Zone Widgets

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
Currently charting
Read full description

Check the time, anytime! Track the local time in cities across the world, right from your Home Screen, Lock Screen, or Dynamic Island. Add cities to World Clock and select the analog or digital clocks. Then check the World Clock widget whenever you need to know the time. Features: • Attractive analog and digital clock displays, with options to display seconds and 24-hour time. • Simple UI for adding and managing cities. Search or browse 10,000+ cities by name. • Rename a city to create a custom clock, e.g., “Grandma’s House”. • Get your local time using location (GPS). • Widgets are available in many sizes and styles, including Lock Screen, Home Screen, and Today widgets. • Live Activities available on iOS 16.2+ and iPadOS 17+. See the Live Activity on your Apple Watch with iOS 18 and watchOS 11. • Stick a clock or two in the Dynamic Island with Live Activities and see them across all your apps. • Convert tool: set the date and time, compare the times across all your time zones, and then share, create a reminder, or add to your calendar with just a few taps. This is a must-have productivity tool for remote workers or anyone coordinating across time zones. • Includes easy instructions for adding the Widget to your home and lock screens. • Daylight hours shown visually, based on actual sunrise and sunset times. • Look up a location’s sunrise time, moon phase, time zone details, and more. • In-app purchase to remove ads and unlock extra features. One-time purchase — no subscriptions!

Screenshots

Unit Converter4 screens
World Clock Time Zone Widgets4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard4 real differences · 7 level
Unit Converter versus World Clock Time Zone Widgets: the parameters behind the verdict, then further details
ParameterUnit ConverterWorld Clock Time Zone Widgets
PriceFreeFree
Rating4.8 (193K ratings) — better4.7 (22K ratings)
Positive reviews75.9% of reviews77.1% of reviews — better
Number of ratings193K — better22K
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#109 — better#164
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS17.015.4 — better
Further details — not scored
Size13 MB158 MB
Age rating4+9+
DeveloperAlan MrvicaOverdesigned, LLC

Customer experience

Unit Converter

All ratings192,986 ratings
Positive96.3%
Neutral1.9%
Negative1.8%
Written reviews1,652 reviews
Positive75.9%
Neutral4.8%
Negative19.3%

World Clock Time Zone Widgets

All ratings22,401 ratings
Positive93.0%
Neutral2.8%
Negative4.2%
Written reviews620 reviews
Positive77.1%
Neutral5.5%
Negative17.4%

User reviews

Unit Converter

From 193K App Store ratings

What we love

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

Room to improve

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

World Clock Time Zone Widgets

From 22K App Store ratings

What we love

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

Room to improve

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

Bugs and requests

Unit Converter

Reported bugs

2 issues
  • Forced 5-star review prompt
  • Inaccurate weight/stone conversion

Requested features

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

World Clock Time Zone Widgets

Reported bugs

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

Requested features

5 requests
  • 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

In-app purchases

4 purchases

Unit Converter

Subscriptions4
  • Premium3 Days trial$3.991 Month
  • Premium$6.991 Month
  • Premium7 Days trial$24.991 Year
Show 1 more
  • Premium$34.991 Year
1 purchases

World Clock Time Zone Widgets

One-time1
  • World Clock Pro$4.99

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 #109 in the App Store charts, and World Clock Time Zone Widgets at #164. Chart position reflects recent download velocity rather than total install base.

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