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"What is the SmilesBack App?

Cows’ Milk Protein Allergy (CMPA) is one of the most common food allergies in babies and young children and the symptoms can be challenging to recognise. It may take many months of doctors’ appointments to reach a diagnosis. The symptoms are often varied and may affect different parts of the body such as the skin, digestive system and respiratory system.

SmilesBack is an easy-to-use mobile app that enables you to keep track of your baby’s symptoms and feeds, to help support your doctor and facilitate a diagnosis. It can also be used to help monitor symptom improvements following any dietary changes.

Features of SmilesBack App include:
• Accurately and easily keep track of your baby’s symptoms and feeds
• Symptoms are summarised in an expert designed one page report to help you communicate symptoms to your doctor to help facilitate a diagnosis, if your baby has CMPA
• Add pictures, notes and keep track of doctors’ appointments
• Designed in collaboration with CMPA experts and tested with parents
• Learn more about CMPA, including the common symptoms and the path to diagnosis and management.

Download the app and help put smiles back where they belong.


Important Notice:

SmilesBack is not a diagnostic tool. Always consult a healthcare professional if you have any concerns about your baby’s health.

What’s New

Version 2.1.6

- Added support for additional regions: Belgium, Luxembourg, Netherlands

Ratings and Reviews

4.1 out of 5
20 Ratings

20 Ratings

Duracel_13 ,

Fantastic app easy to see and use

This app has been amazing not just for tracking the allergy but being able to see patterns of behaviour and things that may affect his mood and also make it brilliant for establishing a consistent routine.
The only two things I would say is it’s a shame you cannot add their sleep time into it also. And I would also say it would be handy if you could calculate their daily formula intake somewhere especially as for preemies this is so important especially with an allergy.
But can’t recommend this enough and being able to leave comments means you can go back and check things for instance whether you’ve added gaviscon to that feed etc.

Mum_to_5 ,

A must for parents of babies with suspected CMPA

I came across this app when desperately stumbling around for a way to record the food my baby was eating and symptoms he was having to try and spot a pattern! The concept is brilliant and the app works well, I never experience any issues, the information I have recorded is all available in the log or reports and can even be shared with a doctor. There are areas that could be expanded further, I’d like to be able to attach media to the “mood” and also record any illness or teething that may contribute to symptoms but overall it has helped me identify what was triggering my little one and provides a single place to store all the allergy related symptoms.

Claire H56 ,

Fab app for tracking symptoms

Used this for my little girl- really helped to narrow down when symptoms happened and in the end confirmed that she had a milk allergy through being able to track back feeds and symptoms.

App Privacy

The developer, Nestlé, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Location
  • Identifiers
  • Usage Data

Data Linked to You

The following data may be collected and linked to your identity:

  • Location
  • Contact Info
  • User Content
  • Sensitive Info

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Identifiers
  • Usage Data
  • Diagnostics
  • Other Data

Privacy practices may vary based on, for example, the features you use or your age. Learn More


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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