
CalendarZ
Calendarific
Countries, cities, timezones, holidays, currencies, airports — unified in a single, interconnected API. Stop juggling 6 APIs for global data.

Google Calendar
WAVE Calendar
Business Calendar
Annual View
Morgen.so
CalendarZ
Jorte
Features | 1.0.175 for Android™

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | worlddataapi.com | android.calengoo.com |
| Pricing | — | |
| Company | 2026 | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Users who heavily rely on Google Calendar, need customizable and reliable calendar management, or require offline access to their calendar will find CalenGoo particularly beneficial. It's also a great choice for those who appreciate advanced features like detailed reminders and recurring event options.
Walkthroughs and reviews on video.
No World Data API videos yet. You could help us improve this page by suggesting one.
CalenGoo iPhone App Review: Easy Google Calendar Navigation and Access
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing World Data API and CalenGoo.
World Data API's answer
It bundles reference data that usually requires 5+ separate integrations. Countries, timezones, holidays, currencies, airports, astronomy - all with consistent response formats and cross-linked identifiers. Query a country, get its IANA timezones. Query an airport, get its country's emergency numbers. One API key instead of managing credentials for Calendarific, TimezoneDB, REST Countries, and whatever you cobbled together for power plug data.
World Data API's answer
Depends what you're building. If you only need holidays, Nager.Date is free and covers Europe well. If you only need timezones, there are simpler options. But if your app touches multiple data types - say, a scheduling tool that needs holidays AND business day calculations AND timezone conversion - you're otherwise looking at integrating 4+ APIs with different auth, different pagination, different update schedules. That's the problem we solve.
World Data API's answer
Developers building apps where international data is a means to an end, not the product itself. Fintech teams who need business day math but don't want to maintain holiday calendars. E-commerce platforms calculating delivery dates. Travel apps showing adapter types and emergency numbers. Anyone who's wired up REST Countries, realized it doesn't have power plugs, and started Googling "power plug API" before giving up and making a spreadsheet.
World Data API's answer
Built it because I kept solving the same problem. Every project that needed "just a little country data" turned into integrating three APIs, writing adapters, and maintaining update scripts. The data exists - it's just scattered across incompatible sources. World Data API consolidates it.
World Data API's answer
Fullstack Rust for both backend, frontend, and the data sourcing layer. Data sourced from ISO standards, IANA timezone database, official government holiday calendars, and other similar authoritative sources.
Share your experience with using World Data API and CalenGoo. For example, how are they different and which one is better?
When comparing World Data API and CalenGoo, you can also consider the following products.

CalendarZ is a simple yet high-level calendar application, introduced lots of advanced functions and features.
Compare CalendarZ to World Data API or CalenGoo:

Spend less time managing your day & more time enjoying it
Compare Google Calendar to World Data API or CalenGoo:

Calendarific is a global holiday JSON API and event management & intelligence platform.
Compare Calendarific to World Data API or CalenGoo:

WAVE Calendar is a revolutionary app, which is designed to bring balance to your life
Compare WAVE Calendar to World Data API or CalenGoo: