Gregor vs World Clock
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Gregor
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Minimalist calendar-based notes and journaling app. Guiding principles: # Simplicity You pick a day on the calendar and add a note to that day. Basic usage is as simple as that. No clutter, no distractions, no ads. # Reliability Your notes are stored as plain markdown files in iCloud or on your own device. Edit them with your preferred apps, copy or sync them wherever you want, and keep access and control regardless of Gregor itself. # Polish Access information easily, edit markdown from a native UI, and use local AI features to easily search and summarize your notes.
World Clock
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World Clock makes it effortless to track time across the globe. Whether you're coordinating with colleagues overseas, planning a call with family abroad, or just curious what time it is in Tokyo right now, World Clock gives you the answer in seconds โ no ads, no sign-up, completely free. FEATURES 200+ Countries & Cities Look up the current time for any country or major city worldwide, with accurate time zone and daylight saving time handling. Favorites Save the places you check most often and see them all at a glance on your home screen. Interactive Globe Spin a beautiful 3D globe to see your favorite time zones, complete with a live day/night overlay based on the real position of the sun. Weather Forecast Check current conditions and a 7-day forecast for any saved location. Exchange Rates See live currency exchange rates compared to your reference country, right alongside the time and weather. Best Time to Call Instantly see the ideal time window to call someone in another time zone, based on both parties' waking hours. Personalization Choose light or dark mode and pick from 5 accent colors to make the app your own. 13 Languages Fully localized in English, Korean, Japanese, Chinese, Spanish, French, German, Portuguese, Russian, Arabic, Hindi, Indonesian, and Vietnamese. World Clock is built for travelers, remote teams, international students, and anyone with friends or family on the other side of the world.
Screenshots
Verdict
The clearest difference is in-app purchases: World Clock at none against Gregor's 4. World Clock also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price and ads 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
Both are free to download. Gregor sells 4 one-off in-app purchases. World Clock asks for nothing beyond the download.
| Parameter | Gregor | World Clock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | โ |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone | iPhone, iPad, iPod โ better |
| Requires iOS | 18.0 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 11 MB | 20 MB |
| Age rating | +4 | 4+ |
| Developer | Daniel Marques | HO JUN YOO |
In-app purchases
Gregor
- Small Tip$2.99
- Medium Tip$4.99
- Large Tip$9.99
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- Lifetime Supporter$24.99
World Clock
No in-app purchases







