Blena vs Planetary Hours
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Blena
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.
- Web Bluetooth API testing
- Browser integration
- Developer tool
- Streamlined development process
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Blena is a powerful app specifically designed for developers who want to test Bluetooth-related features directly from their browsers. With its unique focus on streamlining the development process, Blena transforms how developers work with the Web Bluetooth API, making it an essential tool for any tech professional.
Planetary Hours
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.
- Dynamic Island & Live Activities
- Apple Watch Complications
- StandBy & Lock Screen Widgets
- Interactive Home Screen Widgets
- Precision Astronomy Calculations
- Offline Processing
- Customizable Notifications
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Unlock the ancient rhythm of time with Planetary Hours. Unlike standard mechanical clocks, planetary hours adapt to the natural flow of the sun, dividing day and night into unequal segments ruled by the seven classical planets. Whether you practice electional astrology, planetary magic, or simply wish to align your schedule with cosmic rhythms, this app is your precision tool. EXCLUSIVE iOS FEATURES We leverage the full power of your device to keep you in sync without opening the app: Dynamic Island & Live Activities Track the current planetary ruler and remaining time instantly from your Lock Screen or Dynamic Island. Never miss a transition again. Pro Apple Watch Experience • Complications: Rich data on your wrist. See the current planet, symbol, and countdown directly on your favorite watch face (Modular, Infograph, Circular supported). • Standalone App: Fully functional on Apple Watch, no iPhone needed nearby. StandBy & Lock Screen Widgets Turn your iPhone into a magical altar clock at night. Our StandBy widgets look stunning on your nightstand, while Lock Screen widgets give you at-a-glance timing updates. Interactive Home Screen Widgets Beautiful, data-rich widgets that adapt to Light and Dark mode. View the current hour, next transition, and day/night progress directly from your Home Screen. CORE FEATURES • Precision Astronomy: Real-time calculation based on your exact GPS coordinates and local sunrise/sunset. • Chaldean Order: Accurate sequence for all 7 classical planets (Saturn to Moon). • Privacy First: All calculations happen offline on your device. No tracking, no data collection. • Notification System: Get notified exactly when the planetary hour changes. Download now to synchronize your life with the solar rhythm.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Blena | Planetary Hours |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 3.7 (3 ratings) | 4.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 10 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 16.6 — better | 17 |
| Further details — not scored | ||
| Size | 11 MB | 16 MB |
| Age rating | 17+ | 4+ |
| Developer | Oneworld Equipment Corp | 雪 蔺 |
Customer experience
Blena
Planetary Hours
In-app purchases
Blena
No in-app purchases
Planetary Hours
No in-app purchases









