# 晴天钟 vs Noctis

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.

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.

## The numbers

| Metric | 晴天钟 | Noctis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/id946485291/reviews) | **[2.5 (2 ratings)](https://appshunter.io/ios/app/noctis-light-pollution-map/id6780199923/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 34.8% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | — | Freemium |
| Size | 1 MB | 89 MB |
| Requires iOS | **6.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Youhua Technology Company Limited](https://appshunter.io/developer/423977368) | [Ahmet Giray Ucar](https://appshunter.io/developer/1583246836) |

## What reviewers say

### 晴天钟

[App page](https://appshunter.io/ios/app/id946485291)

**Features:** macOS Compatibility

**In-app purchases:** none


### Noctis

[App page](https://appshunter.io/ios/app/noctis-light-pollution-map/id6780199923)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Noctis+ Weekly | $2.99 | per 7 days |
| Noctis+ Monthly | $6.99 | per month |
| Noctis+ Yearly | $24.99 | per year |


## Frequently asked questions

### Is 晴天钟 free?

晴天钟 is free to download, with no in-app purchases.

### Is Noctis free?

Noctis is free to download, with in-app purchases available.

### Which has better reviews, 晴天钟 or Noctis?

Noctis is rated higher. 晴天钟 averages 1.0 out of 5 from 3 ratings, while Noctis averages 2.5 from 2 ratings.

### Do 晴天钟 or Noctis have ads?

Neither 晴天钟 nor Noctis shows ads.

### Which is updated more often, 晴天钟 or Noctis?

晴天钟 ships an update every 9 days, and Noctis fortnightly. Most recently, 晴天钟 was updated on October 21, 2026 and Noctis on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*