Comparison

World Clock vs Solution Calculator

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

Head to head
About

World Clock

Features
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Stay Connected Globally with World Clock -Widgets! Never miss a moment across different time zones with World Clock- Widgets , the most intuitive and feature-packed World Clock app available. Whether you're coordinating with international teams, planning your travels, or keeping in touch with loved ones around the world, World Clock - Widgets has you covered. Key Features: Multiple Time Zones: Easily add and view as many cities as you need. Customizable Widgets: Personalize your home screen with dynamic time displays. Interactive World Map: Visualize time across the globe with our interactive map. Alarm & Reminders: Set alarms and reminders for any time zone effortlessly. Sleek & User-Friendly Design: Enjoy a clean, modern interface that's easy to navigate. Offline Access: Access your world clock anytime, anywhere without internet. Why Choose World Clock -Widgets? Reliable Accuracy: Syncs automatically to ensure you always have the correct time. Flexible Customization: Tailor the app to match your personal style and needs. Lightweight & Fast: Optimized for performance without draining your battery. Join thousands of satisfied users who rely on World Clock- Widgets to manage their global schedules seamlessly. Download now and take control of time, no matter where you are in the world!

About

Solution Calculator

Features
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Provides calculations for solution dilution and preparation.

Screenshots

World Clock4 screens
Solution Calculator3 screens

Verdict

The call

The clearest difference is in-app purchases: Solution Calculator at none against World Clock's 1. Solution Calculator also leads on update cadence (every 6 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. World Clock sells 1 one-off in-app purchase. Solution Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

World Clock ships an update fortnightly, Solution Calculator every 6 days. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

Scorecard2 real differences ยท 4 level
World Clock versus Solution Calculator: the parameters behind the verdict, then further details
ParameterWorld ClockSolution Calculator
PriceFreeFree
Update frequencyFortnightlyEvery 6 days โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS17.616.6 โ€” better
Further details โ€” not scored
Size2 MB2 MB
Age rating4+17+
DeveloperMehmet Erdem DevgeXING WU

In-app purchases

1 purchases

World Clock

One-time1
  • Pro Features- Lifetime$1.99
None

Solution Calculator

No in-app purchases

Questions

Is World Clock free?
World Clock is free to download, with in-app purchases available.
Is Solution Calculator free?
Solution Calculator is free to download, with no in-app purchases.
Do World Clock or Solution Calculator have ads?
Neither World Clock nor Solution Calculator shows ads.
Which is updated more often, World Clock or Solution Calculator?
World Clock ships an update fortnightly, and Solution Calculator every 6 days. Most recently, World Clock was updated on October 13, 2026 and Solution Calculator on October 6, 2026.

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