# Onetime. — Navigate time zones with style > World clock app displaying multiple time zones on a single, intuitive dial. (iPhone/iPad app by FLUID Design GmbH.) - Source: https://appshunter.io/ios/app/onetime/id921569664 (this page in markdown: same URL + `.md`) - Developer: [FLUID Design GmbH](https://appshunter.io/developer/921569663) - Category: Utilities, Productivity - Price: Free - Rating: 3.50/5 from 39 App Store ratings · 134 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 2 MB - Languages: American English - Released: 2014-10-04 - Data updated: 2026-06-11 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/onetime/id921569664/reviews.md ## What is Onetime.? One world. Onetime. Finally, a world clock that integrates all time zones into one easy-to-read dial. We are all living and working globally more and more, so we needed a way to simply see the time in cities around the world at a glance. That’s how Onetime was born. Built on the metaphor of the earth’s rotation, Onetime displays all the cities that matter to you as they move through the day and night in a natural, clockwise direction referencing the international date line. Whether you are scheduling an international call or checking to see what time it is back home, Onetime is the clock for you. No more mistakes adding and subtracting hours, no more confusing GMT numbers, no more remembering daylight savings calendars. Onetime takes care of it all, automatically. And with Timetravel™, you can fly through time so that you quickly find the right moment to schedule that important teleconference with your international colleagues or catch your loved ones before their bedtimes. The „Share“ feature lets you choose a date with TimeTravel and send an invite via message or email. Give up your wall of newsroom clocks and switch to Onetime today. Onetime. By FLUID. ABOUT FLUID Onetime was created by the award-winning design firm FLUID. With our locations in Munich and Silicon Valley and our international client base, the FLUID team is a heavy Onetime user, too. ## Key features - Single, easy-to-read time zone dial - Visualizes cities moving through day and night - Automatic daylight saving time adjustments - Timetravel™ feature for scheduling - Shareable time invites ## Recent user reviews (10 of 134) All indexed reviews: https://appshunter.io/ios/app/onetime/id921569664/reviews.md ### 3/5 — Indispensable app, major data quality issues *2026-03-25* This has been for years my go-to app for checking timezone differences with family and coworkers and I have recommended it over time to many people. However, I recently started noticing that data for some cities is completely unreliable. Try adding Taipei or São Paulo and the app will put them in the same timezone as London. This made use it way less since I’m always checking if the data is accurate, particularly during daylight saving time when countries adopt different policies. Please fix this! I love the app (and I would pay for it) but without reliable data it is completely useless. ### 1/5 — geht nicht mehr *2026-02-26, version 1.4.2* Überall falsche Zeiten. sehr schade, da perfekt designt! ### 1/5 — Beauty and Function *2026-02-10* Was cool. Now broken. Times and adding are wonky. Easy visual for all my friends far flung. ### 1/5 — Leider nicht mehr nutzbar *2025-09-27, version 1.4.2* Die App ist leider unbrauchbar geworden da sie nicht mehr die richtige Zeit für die gesuchten Städte angibt. Schade! Sie war perfekt. ### 5/5 — please fix bug *2025-08-15, version 1.4.2* I really love this app. I don’t know why but suddenly all the cities that i search have the same european time zone… please fix this bug, thank you! ### 5/5 — Beautiful and useful *2025-04-22, version 1.4.2* Love it! ### 5/5 — Sehr schöne Darstellung *2025-04-21, version 1.4.2* Gefällt mir außerordentlich. ### 5/5 — Danke *2024-10-25, version 1.4.2* für das Update. Wollte die App schon löschen, weil sie nicht mehr mit den neusten iOS funktionierte. ### 5/5 — Beauty and Function *2024-10-24* Easy visual for all my friends far flung. ### 1/5 — Lächerlich *2024-09-30, version 1.4.1* Da gibt es 3 voreingestellte Städte, man kann nicht mal London als DIE internationale Referenz hinzufügen. Tolle Idee, extrem schlechte Umsetzung. ## Frequently asked questions about Onetime. ### What does Onetime do? Onetime is a world clock application that displays multiple time zones on a single, easy-to-read dial. It visually represents cities moving through day and night, simplifying the process of understanding and coordinating across different regions. ### How does Onetime help with scheduling? Onetime's Timetravel™ feature allows you to easily navigate through time to find the optimal moment for international calls or meetings. You can also use the 'Share' feature to send invites with a chosen date and time via message or email, eliminating the need for manual calculations. ### Is Onetime free to use? Yes, Onetime is available for free. The application does not have any in-app purchases or advertisements, providing a seamless experience for users. ### What are the benefits of using Onetime over other world clocks? Onetime offers a unique visual metaphor of the earth's rotation, making time zones intuitive to understand at a glance. It automatically handles daylight saving time changes and eliminates the need for manual hour calculations or remembering complex GMT numbers. ## Version history (last 5 releases) ### 1.4.2 — 2024-10-24 We upgraded the app to run even better with the latest OS and devices versions, the location-lookup was renewed. Enjoy it and drop us a line if you like it or have recommendations for future features. Thanks. ### 1.4.1 — 2022-01-10 This new version is updated for the latest iOS. We hope you like it as much as we do. ### 1.4.0 — 2019-11-26 This latest version of Onetime not only is updated to work with the latest versions of larger screen iPhones and the new iOS - it also brings a great dark-mode implementation and quite a few of the new features that our exited users recommended. - It offers a direct scheduling of new events from the chosen event time into your calendar. There you can directly select the location and invite meeting attendees. - Now Timetravel gives you even better feedback through the use of the taptic engine at 15 min increments. - We also optimised further the app and its underlying code to keep with the same great user experience and simplicity that Onetime is known for. We hope you like this new version as much as we do. ### 1.3.0 — 2018-05-16 iPhone X Support - - - - - - - - - - - - - - - - - - - - - Updated code and performance improvements. Onetime now also supports large iPhone X screens, bringing it's simple and iconic look and feel to your latest devices. ### 1.2.0 — 2015-04-07 UTC Time added - - - - - - - - - - - - - - - - - - - - - Hello, pilots! You can now switch to UTC Time in the settings as well. New Search - - - - - - - - - - - - - - - - - - - - - We improved the search to give you more precise and faster results. ## Apps similar to Onetime. | App | Rating | Price | Category | | --- | --- | --- | --- | | [Overlap: World Clock](https://appshunter.io/ios/app/overlap-world-clock/id1516950324) | 4.8 (777) | Free | Utilities | | [World Clock Pro: Convert Time](https://appshunter.io/ios/app/world-clock-pro-convert-time/id969635117) | 4.8 (1,263) | Free | Utilities | | [World Time Clock Master](https://appshunter.io/ios/app/world-time-clock-master/id6448859727) | 4.7 (688) | Free | Utilities | | [Clock](https://appshunter.io/ios/app/clock/id1584215688) | 2.6 (15,648) | Free | Utilities | | [World Clock. Time Widget](https://appshunter.io/ios/app/world-clock-time-widget/id1453369651) | 4.7 (3,892) | Free | Utilities | | [World Clock Time Zone Widget](https://appshunter.io/ios/app/world-clock-time-zone-widget/id912698955) | 4.7 (29,677) | Free | Utilities | ## More apps by FLUID Design GmbH - [Onetimer.](https://appshunter.io/ios/app/onetimer/id1569075703) All apps by FLUID Design GmbH: https://appshunter.io/developer/921569663 ## Related topics [time zone shifter](https://appshunter.io/ios/topics/time-zone-shifter) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-11.*