# Nanit Pro Smart Baby Monitor vs eufy Baby Monitor E21: specs and price compared

A sourced, side-by-side comparison of the Nanit Pro Smart Baby Monitor (Nanit) and eufy Baby Monitor E21 (eufy) among baby monitors. eufy Baby Monitor E21 is the cheaper of the two at $259.99.

## Side by side

| 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 |

## Key differences

- 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

**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.)

**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.)

## Sources

- Nanit Pro Smart Baby Monitor: https://www.nanit.com/products/nanit-pro-camera (nanit.com, verified 2026-06-15)
- eufy Baby Monitor E21: https://www.eufy.com/collections/baby-monitor (eufy.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/baby-monitors/nanit-pro-camera-vs-eufy-baby-monitor-e21/
Cite: Per The Front Desk Review, Nanit Pro Smart Baby Monitor ($289.99) vs eufy Baby Monitor E21 ($259.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/baby-monitors/nanit-pro-camera-vs-eufy-baby-monitor-e21/
License: CC BY 4.0.