WhenIsGood vs World Time Buddy
We give WhenIsGood a 3.2 GPA and World Time Buddy a 3.8, out of 4.0. World Time Buddy grades higher on ease of use and platforms. They get the same grade on value for money, the free plan and features.
Price, platforms and features side by side. The table says where each price was read and when.
World Time Buddy
Visual time zone converter and world clock for planning calls
Free plan · from $2.99
How we grade them
| 3.2GPAWhenIsGoodVery good | 3.8GPAWorld Time BuddyExcellent | |
|---|---|---|
| Value for money | AEverything is free. The FAQ says so, the terms of use say so, and there's no paid plan anywhere on the site. | AThe website costs nothing. The only price anywhere is a $2.99 upgrade inside the iPhone app, for location groups, and the maker's own mobile page gives a workaround that unlocks it for free. |
| Free plan and trial | AThe product is free, and the FAQ says there are no adverts and that everything works without an account. Free polls with neither ads nor a sign-up are not common, so that's worth a mention. | AFree with every feature on the web since the maker dropped paid subscriptions in May 2022. The iPhone and Android apps are free downloads too. Most people will never pay a thing. |
| Features | BOne job, done fully: slots of 15, 30 or 60 minutes or whole days, times adjusted to each invitee's own time zone, and results that show near misses with a red dot per person who can't make it. But calendar integration is only an iCal export of the chosen time. | BIt does one job, comparing time zones, and does it fully: hour tiles, daylight saving warnings a week ahead, a Google Calendar overlay and widgets for your own website. But it won't hold your events, and the App Store shows the last iPhone version as November 2020. |
| Ease of use | BClick the grid, press Create Event, send the link. No password to choose even if you make an account, as login is a six-digit code by email. There's no rating on record to go by, so a B at best. | A4.8 from about 14,000 App Store ratings. Add your cities, drag across the hours you want, send them to your calendar. That's the whole thing. |
| Platforms and integrations | CA web page and nothing else. No phone or desktop app is listed, and it doesn't connect to any calendar or video tool. The nearest thing is the iCal file you can download for the chosen time. | AWeb, iPhone and Android, and a time you pick opens in Google Calendar, Outlook, iCal or Gmail. Do note Google Play labels the Android app as having ads, and shows its last update as January 2020. |
| Best for | a free group poll with no sign-up and no adverts | comparing time zones at a glance |
The GPA is the average of the five grades: an A is 4 points, an F is none. The full reasons are on each tool's page: WhenIsGood and World Time Buddy. How we grade
Where they differ
- WhenIsGood is free. World Time Buddy starts at $2.99 in-app upgrade in the iOS app (billing basis not shown).
- Only World Time Buddy lists iOS and Android apps.
- WhenIsGood also covers surveys.
- World Time Buddy also covers calculator.
In commonFree planWebCalendar
At a glance
| WhenIsGood | World Time Buddy | |
|---|---|---|
| Pricing | Free | Free plan |
| Starts at | Free | $2.99 in-app upgrade in the iOS app (billing basis not shown) |
| Free plan | The FAQ says everything on WhenIsGood is free, with no adverts, and that everything works without an account. The terms of use also state that the service is free. | The website is free with every feature: the maker announced in May 2022 that paid subscriptions were discontinued. The iOS and Android apps are free to download. |
| Free trial | None listed | None listed |
| Web | ||
| iOS | ||
| Android | ||
| Made by | WhenIsGood | Helloka, LLC |
| Price read from | whenisgood.net | apps.apple.com |
| Checked | Oct 9, 2026 | Oct 9, 2026 |
Who each one suits
WhenIsGood
- Organizers who want an availability poll with no sign-up and no adverts
- Groups in different time zones choosing a time for a call
- One-off meetings and events where invitees should not need accounts
World Time Buddy
- Comparing working hours across several time zones at a glance
- Picking a call time for people in different countries
- Showing a webinar time in each website visitor's local time
Worth knowing
WhenIsGood
- Event links have no passwords; the FAQ relies on the random invitation URL being hard to guess.
- The FAQ describes calendar integration only as an iCal (.ics) export of the chosen time, so availability is entered by hand.
- Without an account, you need the results code from the event-created page to see responses later.
- The site text is in English only; the language box changes how dates, times and numbers are written.
World Time Buddy
- Renaming locations and grouping them in tabs on the website require signing in.
- The iOS app lists a $2.99 in-app upgrade, although the maker's mobile page gives a workaround that unlocks it free of charge.
- The App Store shows iOS version 1.28 from November 2020, and Google Play shows the Android app last updated in January 2020.
- Google Play labels the Android app as containing ads and in-app purchases.
Key features
WhenIsGood
- Paint-the-grid event setup
- Click the grid for the dates and times you propose, optionally name the event, and press Create Event to get a link for invitees and a results code for yourself.
- Results with near misses
- Times that suit everyone show in green, and near misses carry red dots for the people who cannot make them. Respondents are listed from most flexible to least flexible.
- Adjustable slots and hours
- Buttons switch the grid between 15-, 30- and 60-minute slots or whole days, and the options panel widens the hours beyond the default 8am to 6pm.
- Time zone support
- With time zones switched on, proposed times are adjusted to each invitee's own zone, and the results page produces text showing the chosen time for every invitee.
- Optional account and dashboard
- Logging in with an emailed six-digit code, with no password to choose, collects your events and responses on a dashboard so results codes do not have to be kept.
- Email alerts and iCal export
- An organizer can ask for an email whenever someone responds. Clicking the chosen time on the results grid gives an iCal (.ics) link to add to a calendar or attach to an email.
World Time Buddy
- Hour-tile time comparison
- Add locations by searching for places or time zones such as UTC, reorder them by dragging and mark one as home. Each location gets a row of hour tiles aligned with the others.
- Select and share a time range
- Click and drag across the hour tiles to pick a range, then open it in Outlook, iCal, Google Calendar or Gmail, copy it to the clipboard, or create a public event page.
- Google Calendar overlay
- Signed-in users can overlay Google Calendar above the hour tiles to find open slots. The mobile apps can show the device's calendars in the same position.
- DST warnings and weekend marking
- Daylight saving warnings appear a week before a change. Weekends are highlighted, including in countries where the weekend is not Saturday and Sunday.
- 12-hour, 24-hour or mixed format
- Hours can be shown in 12-hour or 24-hour format, or in a mixed mode that uses each location's native format.
- Embeddable widgets
- A world clock widget and an event widget can be placed on a website. Both detect each visitor's time zone, and the event widget shows the event in the visitor's local time.
Plans
WhenIsGood
Free$0
Create events, collect responses and view results at no cost, with or without an account. No adverts are shown.
World Time Buddy
Free$0
The website with all features, plus the iOS and Android apps without the in-app upgrade.
Upgrade$2.99
in-app purchase on the App Store; billing basis not shown
The iOS listing marks location groups as the pro feature. The maker's mobile page describes a temporary workaround that unlocks the upgrade at no charge.
