The SNOO app is the smartphone companion to your Happiest Baby SNOO Smart Sleeper, the safest and most effective baby bed.

- Sleep Logs: Track your baby's sleep every day...automatically.
- Alerts: Get notified when your baby needs more than SNOO's soothing (due to hunger or discomfort).
- Remote Control: Quickly respond to your baby's needs by adjusting SNOO’s levels up and down.
- Customize: Pick the best motion and white noise settings for your baby.
- Adapt: Boost the level of rhythmic sensation - like riding in a car all night - during sleep disruptions from colds, growth spurts, sleep regressions, teething, etc.
- Easy Weaning: Easily transition your baby to the crib with our special weaning feature that helps your baby learn to sleep without motion

SNOO intelligently responds to your baby’s needs and, within just days, helps the whole family sleep better. It calms fussing and aids sleep with the rhythmic sound and motion that babies find so soothing in the womb.

A home Wi-Fi connection is required to use the app with your SNOO.

Safer. Better. Sleep…at the touch of a button.

What’s New

Version 2.2.2

Bug fixes and optimization

Ratings and Reviews

4.6 out of 5
1.1K Ratings

1.1K Ratings

Jac491 ,

Love the snoo and the app- have a suggestion

I bought the snoo when my son was 2.5 months old and it has totally changed our lives. He was sleeping a maximum of 45 minute stretches for the first two and a half months of his life- even at night (unless we held him). After we bought the snoo he started sleeping 2 hrs at a time, then 3, then 4-5 and now (he’s 3 and a half months old) we get a few 8.5 hour stretches each week and never anything less than 5 hours. I am so glad for his health and ours that the snoo exists. The app works well and I haven’t had any issues with connectivity or log outs or anything else. This being said, there are some features that I would love to see added.
The major one is the ability to add naps that he takes outside the snoo. My son is a fussy napper and I like to know that he is getting enough sleep each day. If I’m at a friends house and he sleeps an hour in the pack in play and an hour in the car there and back, I’d like to be able to add that to his sleep total for the day.
The other change is the ability to start the 24 hour horse shoe cycle in AM or PM. I like to base his naps for the day off of how well he slept at night since I have more control over day time napping to make sure he catches up. It would be good to set the 24 hour cycle to start at any time, AM or PM.

Developer Response ,

Dear Jac,

We're so happy to hear that you love SNOO and our app, and we appreciate your helpful feedback regarding our features. We're glad to inform you that we recently added the ability to change the start time of the SNOO log on the app. You can find this under the Settings icon and Preferences subcategory. Simply click on "SNOO Log Start Time" to adjust when the log begins for the day.

If you need any help navigating this feature, we'd love to work with you at


The Happiest Baby Team

KLemischak ,

The level-lock button same as pause

When you want the level to stay at 1 (helpful if your baby is learning to self soothe) you can press and hold pause to prevent it from going to any higher levels. This is a great feature. It can get hard to use, however. If you don’t press and hold for the exact amount of time the Snoo stops. That’s pretty high risk when your baby is falling asleep and the sudden cessation of movement causes them to wake up. An edit to fix that would be huge. Also if you could set a maximum level in terms of audio, not just motion. My baby doesn’t need the highest level to calm and it’s actually jarring to her. The Snoo would go to that level and I would need to constantly override in the app. Finally, if there was a way to turn off the glowing light around the start button on the product itself. That glow is pretty substantial at night and illumination can keep baby awake. Product is amazing, app is very good. These are a few changes I would highly suggest. *update: thank you for making these updates!!!!

Developer Response ,

Hi there,

Thank you for taking the time to leave us a review.
We are sorry to hear that you are not completely satisfied with our app. To make our level lock feature easier to use, all you need to do is hold down until the lock icon appears above the play button. To limit the motion when you are not using the app, you can engage the motion limiter setting under SETTINGS > MY SNOO > MOTION LIMITER. This will prevent the motion from escalating past green level (level 2). We hope this information helps. Please do not hesitate to reach out to us at if you have any further questions!

Lintacious ,

UX Improvements

The Snoo (hardware) is great! The app (software) needs interface work. First, Bugs: On the home screen the current session duration is incorrect and I always have to close the app completely then re-open to see correct information. This is annoying for me and probably giving incorrect app usage info to devs as well.
Second, UX Improvements: 1) I want the Daily Log to be a table of four columns with Sleep Start Time, Sleep End Time, Total Duration, % Of Time Soothing. No visual, just a text log. Th horseshoe graphic makes little visual sense and the exact times are not displayed. With the exact info, I can easily put everything into excel and do the deep dives myself. 2) Please “sticky” the last selected Log view. Since the Daily Log is not usable to me, I view each day using the Weekly Log. Unfortunately, every time I go back to the chart screen, it defaults back to Daily. 3) On the home screen, make the Session Duration larger, centered, more of the focus. The screen color coding means I already know my baby is calm or being soothed. What I always want to know immediately is how long has she been asleep. 4) Maybe, also add a “Total Daily Time” to the home screen (if this can be done without looking cluttered).

Developer Response ,

Hi there, we're glad to hear you are happy to SNOO's hardware, and we're so grateful for your constructive suggestions regarding our app interface. We have passed along this feedback to our development team. If you would be willing to contact us at, we would like to know more about the issue you experienced with inaccurate timestamps on the Daily Log. If you place App Review in the subject line, we will be able to connect your inquiry with this review. We would love to get this resolved for you!


The Happiest Baby, Inc
53.3 MB

Requires iOS 12.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, French, German, Italian, Spanish

Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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