Happiest Baby (SNOO) vs Nanit Sound + Light

Side-by-side specs from each maker.

Only the differences are shown.

The Happiest Baby, Inc. Happiest Baby, makers of SNOOUdisense Inc. Nanit Sound and Light
TypeMonitor or device appMonitor or device app
DeveloperThe Happiest Baby, Inc.Udisense Inc.
PlatformsiOS, iPadOS, watchOS, visionOSiOS
App price (US store)FreeFree
In-app plans (as listed)Premium $19.99/mo; $99.99 for 6 months; $149.99/yrNot listed
Age rating4+4+
Data linked to you (label)Email address, name, photos or videos, user ID, device ID, product interaction, sensitive info, other diagnostic dataCoarse location, email, phone number, user content (audio data, customer support, photos or videos), user ID, device ID, product interaction, sensitive info, diagnostics
What it logs or doesSNOO and SNOObie control, SNOO log and alerts, remote control, activity tracking (sleep, feeds, diapers, growth, pumping), timeline of articles, SNOObie nightlight and sound routinessound and night light control, routines with scheduled end time, favorites, cry detection notifications, fade in/out, temperature and humidity display, remote control outside local Wi-Fi
NeedsSNOO Smart Sleeper or SNOObie; Wi-Fi; NFC-enabled device for SNOObieNanit Sound and Light device
Developer's claim"help the whole family get 1-2+ hours more sleep a night (developer's words about SNOO)" (developer's words; no published validation found)"help your littles fall asleep, stay asleep longer" (developer's words; no published validation found)

Happiest Baby (SNOO)

Companion app for SNOO and SNOObie, with logs, remote control and a Premium tier.

  • Logs sleep, feeds, diapers, growth and pumping
  • Remote control of SNOO
  • Premium needs a paid plan
  • Needs SNOO or SNOObie hardware

Nanit Sound + Light

Controller app for the Nanit Sound and Light device, with sound and light routines.

  • Routines with scheduled end time
  • Free app
  • Needs the Nanit device