Nanit
Nanit Pro Smart Baby Monitor
$289.99
Released 2019
Best Baby Monitors · head-to-head
Nanit Pro Smart Baby Monitor vs eufy Baby Monitor E21
A sourced, side-by-side comparison. eufy Baby Monitor E21 is cheaper at $259.99. Every spec and price links to its source.
eufy
eufy Baby Monitor E21
$259.99Cheaper
Released 2024
Which is better: the Nanit Pro Smart Baby Monitor or eufy Baby Monitor E21?
On the specs we track, they're closely matched. The eufy Baby Monitor E21 is the cheaper at $259.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Nanit Pro Smart Baby Monitor | eufy Baby Monitor E21 |
|---|---|---|
| US price | $289.99 | $259.99 |
| Brand | Nanit | eufy |
| Released | 2019 | 2024 |
| Camera resolution | 1080p Full HD | 4K UHD |
| Connectivity | Dual-band WiFi 2.4 GHz / 5 GHz | Hybrid: WiFi 2.4 GHz (remote app access) + local wireless transmission (in-home, no internet required) |
| Range (ft) | — | 1000 |
| Battery hr | — | 15 |
| Night vision | Yes | Yes |
| Two way audio | Yes | Yes |
| Sensors | Breathing motion (requires Nanit patterned swaddle/band accessory); temperature; humidity; sound detection | Motion detection; sound detection; temperature reading |
| Subscription | optional | none |
| Release | 2019 | 2024 |
Sources — Nanit Pro Smart Baby Monitor: nanit.com (verified 2026-06-15). eufy Baby Monitor E21: eufy.com (verified 2026-06-15).
What's the difference between the Nanit Pro Smart Baby Monitor and eufy Baby Monitor E21?
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.
- Camera resolution: Nanit Pro Smart Baby Monitor 1080p Full HD vs eufy Baby Monitor E21 4K UHD
- Connectivity: Nanit Pro Smart Baby Monitor Dual-band WiFi 2.4 GHz / 5 GHz vs eufy Baby Monitor E21 Hybrid: WiFi 2.4 GHz (remote app access) + local wireless transmission (in-home, no internet required)
- Sensors: Nanit Pro Smart Baby Monitor Breathing motion (requires Nanit patterned swaddle/band accessory); temperature; humidity; sound detection vs eufy Baby Monitor E21 Motion detection; sound detection; temperature reading
- Subscription: Nanit Pro Smart Baby Monitor optional vs eufy Baby Monitor E21 none
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Nanit Pro Smart Baby Monitor
All three whitelisted reviewers cover the Nanit Pro Smart Baby Monitor. Wirecutter's 2026 hands-on round names it the best Wi-Fi monitor, praising its clear 1080p video, best-in-class security (strong encryption plus mandatory two-factor auth) and easy-to-use app. Engadget's 2021 hands-on test also picks it 'best overall' for crystal-clear bird's-eye video, but flags a flimsy stand and aggravating notifications. SafeWise (2022) is a feature comparison, not hands-on, and praises the sleep analytics while arguing rivals now match or beat it. All three flag the high price and required subscription. No source published lab-benchmarked numbers. (3 sourced reviews, 2 lab-tested.)
Praised: Clear 1080p bird's-eye video, excellent in both daylight and night vision; Well-designed app with sleep summaries and personalized insights; Strong security: strong encryption and mandatory two-factor authentication.
Flagged: Expensive, with a paid membership required after the free trial to unlock key features; Heavy-handed in-app upsells and notifications that can't be fully opted out of; Camera cannot be panned or adjusted remotely.
eufy Baby Monitor E21
Only one whitelisted outlet — Good Housekeeping — published a genuine hands-on review of the exact eufy Baby Monitor E21. The GH reviewer tested it in her own home over a year, and it also won a 2025 Parenting Award with parent-tester feedback. The verdict is glowing but entirely qualitative, with no lab-measured numbers reported. Praise covers 4K clarity, 8x zoom, effective night vision, easy setup, a compact travel mount, and Wi-Fi-optional flexibility. Treat this as single-source and unverified against a second tester. (1 sourced review, 1 lab-tested.)
Praised: 4K video quality called among the sharpest the tester has seen on a baby monitor; 8x zoom sharp enough to make out fine detail like a finger moving; Effective night vision.