Nav Clock 2 vs Gazulation
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Nav Clock 2
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NavClock2 is a clock, navigation info and weather info app.
Gazulation
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Will tonight be worth looking up? Gazulation answers one question: when is the best time to stargaze from where you stand. It reads the next 12 hours of sky conditions and gives every hour a simple rating โ Excellent, Good, Fair, or Poor โ so you know at a glance whether to grab your telescope or stay cozy inside. THE BEST TIME, FOUND FOR YOU Gazulation weighs everything that matters for a dark, clear sky: โข Cloud cover โ the deal-breaker โข True darkness โ not just sunset, but astronomical twilight โข The Moon โ its position and brightness wash out faint stars โข Humidity and dew โ the haze that blurs your view โข Wind โ steadiness for telescopes and astrophotography Then it highlights the single best window tonight, so you don't have to decode a weather chart yourself. HOUR BY HOUR See the next 12 hours as a simple timeline. Each hour gets a rating and the details behind it: sky visibility, temperature, humidity, wind, and where the Moon sits. ANYWHERE ON EARTH โข Use your current location with one tap โข Search any city or place โข Enter exact coordinates for that dark-sky site you love MADE FOR NIGHT A calm, dark interface that is easy on adapted eyes. Whether you are an astrophotographer planning a session, chasing a meteor shower, or just wondering whether to step outside โ Gazulation tells you when. Weather data by WeatherAPI.com.
Screenshots
Verdict
The clearest difference is update cadence: Nav Clock 2 at every 2 weeks against Gazulation's monthly. Gazulation's advantage is iOS requirement (15.0 vs 17.2). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Nav Clock 2 ships an update every 2 weeks, Gazulation monthly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | Nav Clock 2 | Gazulation |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks โ better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 17.2 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 9 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Infoserv Hosting ApS | Li Yong Teng |
In-app purchases
Nav Clock 2
No in-app purchases
Gazulation
No in-app purchases









