Comparison

Clock4Key World Clock Keyboard vs Calculator Ultra

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

Head to head
About

Clock4Key World Clock Keyboard

This custom keyboard allows users to quickly input the current time for major cities worldwide directly from their device's keyboard. It offers real-time global time updates and an intuitive design for efficient time zone coordination.

Highlights
  • Instant time input for global cities
  • Real-time worldwide time updates
  • Seamless keyboard integration
  • Avoids manual time conversions
  • Ideal for travelers and professionals
Features
Read full description

World Clock Keyboard is a powerful iOS app designed to simplify the process of entering the current time for famous cities worldwide. This custom keyboard is ideal for anyone who frequently needs to know or share international times, offering convenience and speed at your fingertips. Key Features: - Instant Time Input: Quickly enter current times for major cities worldwide directly from your keyboard. - Global Coverage: Get real-time updates for numerous cities, ensuring accurate information. - User-Friendly: Intuitive design seamlessly integrates with your device’s keyboard. - Efficient: Save time by avoiding manual time conversions and app switching. - Traveler-Friendly: Perfect for globetrotters, business professionals, and anyone coordinating across time zones.

About

Calculator Ultra

Read full description

Calculator Ultra is a fast, accessible calculator designed for everyday use. CALCULATE WITH CONFIDENCE • Large, easy-to-tap keys • Live expression and result display • Memory functions, percentages, sign changes, and scientific tools • Calculation history with notes MORE THAN A CALCULATOR • Convert units and currencies • Calculate durations and date differences • Use the interactive Home Screen widget • Work in portrait or a dedicated landscape layout • Everyday calculations work offline; currency rates refresh online when available MAKE IT YOURS • Four polished themes stored on your device • Midnight, Graphite, Porcelain, and Forest styles • Consistent colors throughout the interface BUILT FOR EVERYONE • English is the default language • Supports Thai, Spanish, French, German, Japanese, Korean, Simplified Chinese, and Arabic • VoiceOver-friendly labels and right-to-left layout support No account or sign-in is required.

Screenshots

Clock4Key World Clock Keyboard3 screens

Verdict

The call

The clearest difference is device support: Clock4Key World Clock Keyboard at 3 against Calculator Ultra's —. Clock4Key World Clock Keyboard also leads on iOS requirement (15.0 vs 17.0). On price and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
Clock4Key World Clock Keyboard versus Calculator Ultra: the parameters behind the verdict, then further details
ParameterClock4Key World Clock KeyboardCalculator Ultra
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyDaily—
AdsNo—
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — better—
Requires iOS15.0 — better17.0
Further details — not scored
Size3 MB4 MB
Age rating4+4+
DeveloperKhang Lephakin chatngamapichat

In-app purchases

None

Clock4Key World Clock Keyboard

No in-app purchases

None

Calculator Ultra

No in-app purchases

Questions

Is Clock4Key World Clock Keyboard free?
Clock4Key World Clock Keyboard is free to download, with no in-app purchases.
Is Calculator Ultra free?
Calculator Ultra is free to download, with no in-app purchases.

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