# Starlight Clock vs Astro Conditions

The clearest difference is in-app purchases: Astro Conditions at none against Starlight Clock's 1. Astro Conditions also leads on ads (none vs shown) and update cadence (weekly vs every 3 months). Starlight Clock's advantage is iOS requirement (14.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Starlight Clock sells 1 one-off in-app purchase. Astro Conditions asks for nothing beyond the download.

Starlight Clock ships an update every 3 months, Astro Conditions weekly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Starlight Clock | Astro Conditions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/astro-conditions/id6759236025/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 14 MB | 57 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Mihoko Araki](https://appshunter.io/developer/1476136915) | [Gaston Dombiak](https://appshunter.io/developer/1412557624) |

## What reviewers say

### Starlight Clock

[App page](https://appshunter.io/ios/app/starlight-clock/id6470951164)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starlight Clock with no ads | $2.99 | one-time |


### Astro Conditions

[App page](https://appshunter.io/ios/app/astro-conditions/id6759236025)

This app provides astronomy enthusiasts with real-time viewing conditions, astronomical data, and smart recommendations for telescope and visual observing. It offers hourly cloud cover forecasts, visibility conditions, and a night quality score to plan the perfect night under the stars.

**Highlights:** Hourly cloud cover forecasts, Real-time visibility conditions, Night Quality assessment score, Sunrise, sunset, and twilight times, Moon phase and illumination, ISS pass predictions, BestSpot viewing location recommendations

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Starlight Clock free?

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

### Is Astro Conditions free?

Astro Conditions is free to download, with no in-app purchases.

### Do Starlight Clock or Astro Conditions have ads?

Starlight Clock shows ads; Astro Conditions does not.

### Which is updated more often, Starlight Clock or Astro Conditions?

Starlight Clock ships an update every 3 months, and Astro Conditions weekly. Most recently, Starlight Clock was updated on October 24, 2026 and Astro Conditions on October 31, 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.*