94.0
Amazon
Smart Plug, Works
Best for dedicated alexa users seeking the most reliable and easy-to-configure smart outlet.
- Alexa-exclusive optimization
- Space-saving horizontal profile
- 15 Amp maximum load capacity
$25
Head to head · Smart Home
21.5 Inch Digital Calendar Wall vs Home Assistant Green
Ravvy scores 21.5 Inch Digital Calendar Wall at 89.36 and Home Assistant Green at 89.32. 21.5 Inch Digital Calendar Wall takes the overall pick, best for busy households with multiple children and complex extracurricular schedules.
Ravvy pick
89.4
$300
Active families should buy this to consolidate multiple digital calendars into a high-visibility physical hub, accepting that it requires a constant power source and a stable Wi-Fi connection.
Nabu Casa
Home Assistant Green
89.3
$219
This is the best entry point for privacy-focused users who want the power of Home Assistant without the hassle of DIY hardware, provided they are willing to buy separate USB adapters for wireless connectivity.
How they score
| Factor | 21.5 Inch Digital Calendar Wall | Home Assistant Green |
|---|---|---|
| Versatility | 91 | – |
| Connectivity | 88.5 | – |
| App Interface | 86 | – |
| Mounting Ease | 82 | – |
| Display Quality | 94 | – |
| Ease of setup | – | 94.2 |
| Value for money | – | 91 |
| Automation power | – | 95 |
| Hardware reliability | – | 89.4 |
| Privacy and security | – | 98.5 |
| Connectivity versatility | – | 72.8 |
21.5 Inch Digital Calendar Wall
What owners praise
- Large high-resolution touchscreen provides excellent visibility
- Seamless synchronization with Google, iCloud, and Outlook calendars
- Built-in gamified chore and reward system for kids
- Multi-functional use as a digital photo frame and meal planner
- Easy remote management through the dedicated mobile app
What to know first
- Large physical footprint requires significant wall space
- Certain advanced software features require a paid subscription
- Relies entirely on a constant power connection
Skip it if minimalists with small wall space or tech-averse users who prefer offline planning
Home Assistant Green
What owners praise
- Ready to use out of the box with Home Assistant OS pre-installed
- Highly energy efficient with a silent fanless design
- Local data processing ensures high privacy and offline reliability
- Uses reliable eMMC storage instead of failure-prone SD cards
- Direct support from the Nabu Casa development team
What to know first
- No built-in Zigbee, Z-Wave, or Thread radios (requires USB dongles)
- Limited to 4GB of RAM which may constrain power users
- Plastic enclosure feels less premium than the Home Assistant Yellow
Skip it if users needing integrated zigbee/z-wave radios without extra dongles
Specs side by side
| Spec | 21.5 Inch Digital Calendar Wall | Home Assistant Green |
|---|---|---|
| ASIN | B0FBWC8RFN | B0CXVKSG19 |
| Size | 21.5'' | – |
| Brand | Bsimb | Nabu Casa |
| Material | Plastic | – |
| Brand Name | Bsimb | – |
| Part Number | CL215W | – |
| Manufacturer | ShenZhen IDWELL Technology Co.Ltd | Nabu Casa |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,181) 4.3 out of 5 stars | 4.4 4.4 out of 5 stars (843) 4.4 out of 5 stars |
| Best Sellers Rank | #60,187 in Office Products (See Top 100 in Office Products) #24 in Digital Calendars | #4,381 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #5 in Home Automation Hubs & Controllers |
| Product Dimensions | 11.7"W x 19.91"H | – |
| Item Dimensions W x H | 11.7"W x 19.91"H | – |
| UPC | – | 860011789703 |
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93.9
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- 1.6 inch full range driver
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