iPhone Screenshots


"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

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, for example, based on 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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