# Blena vs Planetary Hours

The clearest difference is price: Blena at Free against Planetary Hours's $4.99. Blena also leads on update cadence (every 10 days vs monthly) and ratings volume (3 vs 1). Planetary Hours's advantage is rating (4.0 vs 3.7). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Blena 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 holds the better App Store score, 4.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Blena ships an update every 10 days, Planetary Hours monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Blena | Planetary Hours |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/blena/id6717594992/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/planetary-hours-astro-clock/id6757678864/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | **Free** | Paid |
| Size | 11 MB | 16 MB |
| Requires iOS | **16.6** | 17 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Oneworld Equipment Corp](https://appshunter.io/developer/1839432831) | [雪 蔺](https://appshunter.io/developer/1853712836) |

## What reviewers say

### Blena

[App page](https://appshunter.io/ios/app/blena/id6717594992)

This app allows developers to test Bluetooth features directly from their web browser. It simplifies the use of the Web Bluetooth API, making it a valuable tool for tech professionals.

**Highlights:** Web Bluetooth API testing, Browser integration, Developer tool, Streamlined development process

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Blena free?

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

### Is Planetary Hours free?

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

### Which has better reviews, Blena or Planetary Hours?

Planetary Hours is rated higher. Blena averages 3.7 out of 5 from 3 ratings, while Planetary Hours averages 4.0 from 1 ratings.

### Do Blena or Planetary Hours have ads?

Neither Blena nor Planetary Hours shows ads.

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

Blena ships an update every 10 days, and Planetary Hours monthly. Most recently, Blena was updated on October 24, 2026 and Planetary Hours on October 24, 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.*