Is the eufy Security eufyCam S3 Pro Add-on Cam worth it?
The eufy Security eufyCam S3 Pro Add-on Cam ($149.99) is a top pick with a 8.9/10 consensus score across 3 expert reviews. Experts highlight $219.99 one-time with $0 plan to fill a blind spot on an existing eufy system and same 1/1.8-inch maxcolor sensor and f/1.0 aperture as the full kits. Best for: Existing eufy HomeBase 3 owners who want one more local 4K angle with no new base and no subscription.
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eufy Security eufyCam S3 Pro Add-on Cam
Wireless Security Camera
SmartHomeExplorer proprietary rating
3 expert sources
The eufy Security eufyCam S3 Pro Add-on Cam earns a SHE Score of 6.8/10, driven by strong value (9.4/10) with room to improve in compatibility breadth (5/10). Based on 3 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 8.9/10 across 3 sources
Updated this weekKey Features
- ✓ Single 4K solar-powered add-on camera, requires existing HomeBase 3
- ✓ MaxColor spotlight-free color night vision with 1/1.8-inch sensor at f/1.0
- ✓ On-device face recognition AI, no subscription, built-in 16 GB storage
- ✓ Built-in SolarPlus 2.0 panel, effectively maintenance-free outdoors
Best For
eufy Security eufyCam S3 Pro Add-on Cam vs. the alternatives
How the eufy Security eufyCam S3 Pro Add-on Cam stacks up against other Security options on price, expert consensus, and our proprietary SHE Score.
| Product | Price | Consensus | SHE Score | Works With | Verdict |
|---|---|---|---|---|---|
| eufy Security eufyCam S3 Pro Add-on CamThis page | $149.99 | 8.9/10 | 6.8/10 | major smart home platforms | Must Buy |
| eufy Security eufyCam S3 Pro 2-Cam Kit | $379.99 | 9/10 | 6.8/10 | major smart home platforms | Must Buy |
| Arlo Ultra 4K HDR Security Camera (3rd Gen) 4-Cam Kit | $519.99 | 7.4/10 | 5.5/10 | Apple HomeKit | Recommended |
| eufy Security eufyCam S3 Pro 3-Cam Kit | $699.99 | 8.8/10 | 6.5/10 | major smart home platforms | Recommended |
The eufy Security eufyCam S3 Pro Add-on Cam ($149.99) earns a 8.9/10 expert consensus and a 6.8/10 SHE Score across 3 sources, versus the Eufy Security S330 Video Doorbell at $98.99 (8.7/10 consensus).
What Experts Agree On
What Experts Love
- ✓ $219.99 one-time with $0 plan to fill a blind spot on an existing eufy system
- ✓ Same 1/1.8-inch MaxColor sensor and f/1.0 aperture as the full kits
- ✓ On-device face recognition stays free forever on the local HomeBase 3
- ✓ Built-in solar panel skips the recharging routine after install
Common Criticisms
- ✗ Requires an existing HomeBase 3 — not a standalone purchase
- ✗ 135-degree field of view and 8x zoom trail the Arlo add-on's wider lens
- ✗ Per-camera cost of $219.99 edges just above the 2-cam kit's $215.00
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What The Experts Say
Ready to buy the eufy Security eufyCam S3 Pro Add-on Cam?
Check Price on Amazon$149.99 · 3 expert sources · 8.9/10 consensus
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Frequently Asked Questions
Is the eufy Security eufyCam S3 Pro Add-on Cam worth it?
The eufy Security eufyCam S3 Pro Add-on Cam earns a 8.9/10 consensus score across 3 expert sources and is rated "Must Buy". At $149.99, it is best for Existing eufy HomeBase 3 owners who want one more local 4K angle with no new base and no subscription. it ranks among the top picks in its category.
How much does the eufy Security eufyCam S3 Pro Add-on Cam cost?
The eufy Security eufyCam S3 Pro Add-on Cam is priced at $149.99. With a 8.9/10 score from 3 expert reviews and a "Must Buy" rating, that price represents strong value relative to the ~7.5/10 average for Security products. Prices shift often, so check the live figure before buying.
Who is the eufy Security eufyCam S3 Pro Add-on Cam best for?
The eufy Security eufyCam S3 Pro Add-on Cam is best for Existing eufy HomeBase 3 owners who want one more local 4K angle with no new base and no subscription. Experts rate it "Must Buy" with a 8.9/10 consensus across 3 sources.
How does the eufy Security eufyCam S3 Pro Add-on Cam compare to other Security options?
Among the Security products we have aggregated, the eufy Security eufyCam S3 Pro Add-on Cam ranks above average with a 8.9/10 score. See our full category comparison for head-to-head details.
What smart home systems does the eufy Security eufyCam S3 Pro Add-on Cam work with?
The eufy Security eufyCam S3 Pro Add-on Cam works with major smart home platforms. Check the compatibility notes above for any hub dependencies or setup requirements before you buy.
Does the eufy Security eufyCam S3 Pro Add-on Cam need a hub or a subscription?
No mandatory subscription — the core features work without a monthly fee.
What are the best alternatives to the eufy Security eufyCam S3 Pro Add-on Cam?
If the eufy Security eufyCam S3 Pro Add-on Cam ($149.99, 8.9/10) is not the right fit, the closest alternatives in Security are Eufy Security S330 Video Doorbell, Ring Video Doorbell 4. Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the eufy Security eufyCam S3 Pro Add-on Cam?
The main strengths of the eufy Security eufyCam S3 Pro Add-on Cam are $219.99 one-time with $0 plan to fill a blind spot on an existing eufy system and same 1/1.8-inch maxcolor sensor and f/1.0 aperture as the full kits. The most-cited downside is requires an existing homebase 3 — not a standalone purchase. Overall, 3 expert sources rate it "Must Buy" with a 8.9/10 consensus score.
Sources & Methodology
This review aggregates 3 independent expert reviews into a single consensus score. See how we build consensus scores and the SHE Score methodology.
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 3 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.