# Planetary Hours vs Clavis

The clearest difference is price: Clavis at Free against Planetary Hours's $4.99. Clavis also leads on update cadence (every 5 days vs monthly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Clavis is free to download; Planetary Hours costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Planetary Hours ships an update monthly, Clavis every 5 days. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Planetary Hours | Clavis |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/planetary-hours-astro-clock/id6757678864/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Paid | — |
| Size | 16 MB | 31 MB |
| Requires iOS | 17 | **16.2** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [雪 蔺](https://appshunter.io/developer/1853712836) | [Pedro Henrique Oliveira Sousa](https://appshunter.io/developer/1875393541) |

## What reviewers say

### Planetary Hours

[App page](https://appshunter.io/ios/app/planetary-hours-astro-clock/id6757678864)

This app provides a dynamic clock that displays planetary hours, adapting to the natural flow of the sun. It offers real-time calculations based on your location and supports various iOS features like Live Activities and Apple Watch complications for at-a-glance timing updates.

**Highlights:** Dynamic Island & Live Activities, Apple Watch Complications, StandBy & Lock Screen Widgets, Interactive Home Screen Widgets, Precision Astronomy Calculations, Offline Processing, Customizable Notifications

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

**In-app purchases:** none


### Clavis

[App page](https://appshunter.io/ios/app/clavis-planetary-clock/id6758866461)

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

**In-app purchases:** none


## Frequently asked questions

### Is Planetary Hours free?

Planetary Hours costs $4.99, with no in-app purchases.

### Is Clavis free?

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

### Do Planetary Hours or Clavis have ads?

Neither Planetary Hours nor Clavis shows ads.

### Which is updated more often, Planetary Hours or Clavis?

Planetary Hours ships an update monthly, and Clavis every 5 days. Most recently, Planetary Hours was updated on October 15, 2026 and Clavis on October 5, 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.*