晴天钟 vs Noctis
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
晴天钟
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免费的数值天气预报，感谢上海天文台提供服务支持
Noctis
This app provides a comprehensive score for stargazing conditions by combining light pollution data, weather forecasts, and moon phases. It helps users plan optimal times and locations for astrophotography and observing dark skies.
- Milky Way Score for shooting conditions
- Light-pollution map with Bortle class
- Real-time dark window countdown
- Moon phase and rise/set times
- 7-night planning
- Best shooting hours calculation
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NOCTIS tells you exactly when and where to shoot the night sky. Stop guessing whether tonight is worth the drive. NOCTIS combines real light-pollution data, live weather, moon phases, and the position of the Milky Way into one simple score — so you always know if the sky is ready before you pack your gear. Built for astrophotographers, stargazers, and anyone who loves a truly dark sky. WHAT YOU GET • Milky Way Score (0–100) See tonight's shooting conditions at a glance, scored from real darkness, cloud cover, moonlight, and Galactic Center altitude. • Light-Pollution Map Tap anywhere to read its exact Bortle class and sky brightness, and find the darkest spot near you — straight from satellite data. • Dark Window, Live A real-time countdown to your window of true darkness, from astronomical twilight to dawn. • Moon Phase & Rise/Set Know how much moonlight will wash out the sky, every night. • 7-Night Planning Compare the Milky Way Score for every night this week and pick the perfect one to shoot. • Best Shooting Hours The exact moon-free, low-cloud, high-Galactic-Center window for tonight. REAL DATA ONLY Every number comes from a real source — NASA light-pollution data, live weather, and precise astronomy. No guesses. No filler. NOCTIS+ Unlock all countries, high-resolution maps, full 7-night planning, the complete Galactic Center timeline, and unlimited saved dark-sky locations. Plan smarter. Drive less. Shoot more. — Privacy Policy: https://docs.google.com/document/d/1qNmBEtoR9yyo2DtrzmasKH9MGZ3R10ZwGGitklWXlQk/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/16IRbNhS8XbfncUq6VmWxg0QuUvU5Wb3aE_2J9ZTriGA/edit?usp=sharing
Screenshots
Verdict
The clearest difference is rating: Noctis at 2.5 against 晴天钟's 1.0. Noctis also leads on review sentiment (67% vs 35%). 晴天钟's advantage is in-app purchases (none vs 3) and iOS requirement (6.0 vs 18.6). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Noctis sells 3 in-app purchases, starting at $2.99 per 7 days. 晴天钟 asks for nothing beyond the download.
Noctis holds the better App Store score, 2.5 against 1.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 35% of 晴天钟's written reviews are positive against 67% of Noctis's.
晴天钟 ships an update every 9 days, Noctis fortnightly. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.
| Parameter | 晴天钟 | Noctis |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (3 ratings) | 2.5 (2 ratings) — better |
| Positive reviews | 34.8% of reviews | 66.7% of reviews — better |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 9 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 6.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 1 MB | 89 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Youhua Technology Company Limited | Ahmet Giray Ucar |
Customer experience
晴天钟
Noctis
In-app purchases
晴天钟
No in-app purchases
Noctis
- Noctis+ Weekly$2.997 Days
- Noctis+ Monthly$6.991 Month
- Noctis+ Yearly$24.991 Year
