# Celestium vs Quiet Sky

The clearest difference is update cadence: Celestium at every 5 days against Quiet Sky's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Celestium sells 2 in-app purchases, starting at $6.99 per month and Quiet Sky sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Celestium ships an update every 5 days, Quiet Sky every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Celestium | Quiet Sky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/celestium-cosmic-compass/id6761672904/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 146 MB | 3 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jhinna Salinas](https://appshunter.io/developer/1850224128) | [Fumiya Sekiguchi](https://appshunter.io/developer/6808564193) |

## What reviewers say

### Celestium

[App page](https://appshunter.io/ios/app/celestium-cosmic-compass/id6761672904)

Explore personalized astrological insights for life's decisions. Discover ideal locations for love, work, and growth, and understand daily cosmic weather. Engage in guided rituals and connect with others through shared astrological charts.

**Highlights:** Location scoring for love, work, vitality, and growth, Daily cosmic weather and moon phase tracking, Guided rituals for moon phases, Couples and group chart analysis, On-device chart computation with no tracking, AI interpretations via user's Anthropic API key

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $6.99 | per month |
| Premium Yearly | $42.99 | per year |


### Quiet Sky

[App page](https://appshunter.io/ios/app/quiet-sky/id6810943093)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $9.99 | one-time |


## Frequently asked questions

### Is Celestium free?

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

### Is Quiet Sky free?

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

### Do Celestium or Quiet Sky have ads?

Neither Celestium nor Quiet Sky shows ads.

### Which is updated more often, Celestium or Quiet Sky?

Celestium ships an update every 5 days, and Quiet Sky every 2 weeks. Most recently, Celestium was updated on October 31, 2026 and Quiet Sky 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.*