Simple_Clock vs Astra Prevention
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple_Clock
A minimalist analog clock designed with a classic Apple iPad aesthetic. It offers the unique ability to integrate calendar events and reminders as clock hands for enhanced time management.
- Classic Apple iPad style analog clock
- Optional calendar integration as clock needles
- Optional reminders integration as clock needles
- Minimalist design
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Classic Apple iPad style clock. Feature • Add Calendar and Reminders as clock needles (optional) Support: vibecoder.company@gmail.com
Astra Prevention
This app monitors your home or property for water damage. Receive real-time alerts for leaks, temperature changes, and system health. Remotely control water shutoff valves and manage system access for enhanced protection.
- Real-time water leak alerts
- Temperature and freeze risk monitoring
- Remote valve control
- System health monitoring
- Event history review
- Multi-site management
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Astra Prevention helps protect homes and managed properties from water damage. Connect your Astra system to see water-leak alerts, temperature and freeze-risk conditions, valve status, and system health from one clear app. With Astra, you can: • Monitor Astra Sensors, Orion Panels, valves, and gateways across multiple sites • Receive real-time alerts when water is detected or a component needs attention • Review event history and identify where and when an issue occurred • Monitor temperatures and conditions that may indicate freezing risk • Control compatible motorized water shutoff valves remotely, based on your permissions • Manage systems, sites, rooms, zones, users, and access • Support installation and maintenance workflows Astra combines local detection, coordinated alerts, and automatic water shutoff to help reduce water-damage risk. Certain functions require compatible Astra hardware, connectivity, permissions, and installation configuration. Designed in Canada by Nebulab Technologies Inc.
Screenshots
Verdict
The clearest difference is in-app purchases: Astra Prevention at none against Simple_Clock's 1. Astra Prevention also leads on ads (none vs shown) and rating (5.0 vs 4.7). Simple_Clock's advantage is ratings volume (146 vs 1). On price, update cadence 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
Both are free to download. Simple_Clock sells 1 one-off in-app purchase. Astra Prevention asks for nothing beyond the download.
Astra Prevention holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Simple_Clock has 146 ratings behind it against 1, so its average is the more settled of the two.
Simple_Clock ships an update weekly, Astra Prevention every 6 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | Simple_Clock | Astra Prevention |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (146 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 70.6% of reviews | — |
| Number of ratings | 146 — better | 1 |
| Update frequency | Weekly | Every 6 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 91 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Seung-Un Ham | Nebulab Technologies Inc. |
Customer experience
Simple_Clock
Astra Prevention
In-app purchases
Simple_Clock
- Remove Ads (Lifetime)$4.99
Astra Prevention
No in-app purchases
Questions
Is Simple_Clock free?
Is Astra Prevention free?
Which has better reviews, Simple_Clock or Astra Prevention?
Do Simple_Clock or Astra Prevention have ads?
Which is updated more often, Simple_Clock or Astra Prevention?
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