Mellow Kids - Personalized sleep and development app for parents

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Most baby apps track what happened. Mellow Kids explains why, and what comes next. 🌙 Understand today: Log sleep, feeds and diapers easily. Mellow spots changes and tells you why. A routine to adjust, or a phase that will pass. 🔮 Prepare for tomorrow: A heads-up before sleep and development change, so you feel ready for each new stage. 🌱 The right guidance at the right time: Evidence based support, from short naps to separation anxiety and first tantrums.

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Hi Product Hunt 👋

We are parents and pediatric sleep experts. We built Mellow Kids after seeing the same thing again and again: parents log every nap and feed, and their app gives them back only the next nap time.

But when sleep suddenly changes, parents want to know why and what they can do about it. Sometimes the schedule needs to change, and sometimes it is development. A new skill, a leap, separation awareness starting.

Knowing that changes everything about how you respond.

That is why Mellow connects sleep, development and behaviour, all in one place.

Tracking is free. Insights and expert guidance are part of the subscription. Start for free and try the guidance with a free trial.


We would love your feedback on one thing: when your baby’s sleep changed, what did you wish you had known sooner?

, this is such a great launch. I'm a father of 2, and my wife does parent coaching.
Tracking data was never the problem. It's the understanding of why things are happening, and therefore understanding what to expect and how to act.

I love this, and I wish I had that when my daughters were born.

 Thank you so much! ❤️ You really nailed it! It's not about collecting more data, but helping parents make sense of it all. Hearing that you wish you'd had Mellow for your daughters means a lot, especially knowing your wife works with parents too. Really appreciate your kind words and support! 🙏

I've worked on Mellow Kids as a developer 👩‍💻, so I've seen how much care went into the guidance behind it. What I'd point other parents to is the developmental changes coverage 🌱: it explains what's going on at each stage, not just what to do. Congratulations on the launch! 🎉 which developmental change do parents ask about most? 😴

 Thank you, Letizia! 💛 That's exactly what we're trying to change!

What's interesting is that parents often don't realize their baby is going through a developmental change until they're already dealing with its effects. They notice the signs, especially disrupted sleep, but don't always know what's behind them.

Two periods stand out from my experience supporting parents: around 4 months, when sleep architecture matures and babies who previously slept well may suddenly start waking frequently, and around 9–10 months, when rapid development and growing separation awareness can bring another wave of sleep challenges.

These are the moments when I see parents reaching out for help the most. And it's exactly why we want Mellow to help parents understand what's happening before they're caught off guard, rather than simply reacting to another difficult night. 💛

 That makes so much sense 💛 Knowing what's coming changes everything. 🌱 And I'm so proud to have been part of the team that built this amazing app! 🎉

Hey Product Hunt!!

Mauricio here, co-founder and dad to two little ones!

Our first son didn't sleep well for over two years. We tried everything, and nothing explained why it kept changing. When Dai showed me what she was building, I was in right away. It's the app we needed back then.

Really proud of this team today 💛 Parents, what's one thing you wish someone had told you about baby sleep sooner?

Where was your app when my children were little? I recommend it to all moms!

This made our day, thank you! 💛 Hearing that from a parent who's been through it means a lot, and thanks for passing it on.

 So kind of you! I really appreciate your message ❤️ It made my day!

Exited for the Mellow Kids launch. I’d been using Huckleberry for months when introduced me to Mellow and I have to say, the Mellow nap predictions beat Huckleberry’s each time. What I loved even more though was how beautiful the interface is, how good the explanations are and how easy they are to find. A very elegant tool .. something that’s key for me as a busy parent.

 This is so kind of you, Natalia! ❤️ We're so happy you joined us during beta. Your thoughtful feedback has been incredibly valuable in helping us shape and improve Mellow. Thank you for being part of our journey and for supporting us from the early days! 🥹❤️

I'm a mom of three, and my kids are all grown up now. Each of them had completely different sleep patterns as babies. I went through sleepless nights, frequent nighttime feedings, difficulties with independent sleep, colic, and also periods of more peaceful sleep. One thing I learned is that babies' sleep patterns change a lot as they grow and develop.

I absolutely love the idea behind this app! ❤️ I'm curious: How does it help parents understand whether a change in their baby's sleep is just a natural part of development or a sign that their sleep routine needs some adjustments?

 Such a great question! ❤️ And you're absolutely right, every baby is different!

Mellow looks at each baby's age, sleep patterns, and developmental context to help parents understand what might be behind a change in sleep, and whether their routine may need adjusting.

It's grounded in research on children's sleep and development, and shaped by feedback from hundreds of parents. As we learn more, our goal is to make the guidance increasingly accurate and personalized to each child. ❤️

Mellow has a special place in my life, I’ve been working there since the beginning and I know how much care we put into this app! We’re already helping many families with their children’s development and sleep and I know we’ll make a difference in the lives of many more families!

, you have a very special place in our hearts too! ❤️ We truly wouldn't be here without you. You've been with us from the very beginning, putting so much care and dedication into Mellow. We're so lucky to have you on this journey with us! 🥹❤️

Excited to see launch on Product Hunt today! 🚀🌙

As one of the developers behind Mellow Kids, it's been an incredible experience helping bring this product to life.

One thing I really appreciate about what we're building is the focus on turning everyday tracking data into meaningful, actionable insights. It's not just about recording what happened, but helping parents understand why. Building features that solve real problems is what makes software development so rewarding.

Proud to be part of this team! 💛

Would love to hear your feedback and ideas for what we should build next!

Congratssss

 Thank you ☺️

As a new mum, I felt lost in a sea of advice, much of it conflicting and most of it making me more anxious. Mellow Kids changed that. It helped me understand my daughter's sleep, and through that, how she's developing, and that not everything is a problem to fix. That understanding has given me real peace of mind, and slowly but surely, more confidence as a mother. Thank you Mellow Kids!

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