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The best app for tracking a toddler’s weight and fussy eating

When a toddler is fussy and the weight stalls, the right app turns scattered, anxious days into a clear record you can act on and share. Here is what matters.

Updated 9 June 2026 · VitaBaby

In short

For a fussy or underweight toddler, the most useful app links the weight trend to what your child actually eats across good and bad days, and turns it into a summary you can show your GP or health visitor. VitaBaby charts weight against age, logs meals and snacks with daily calorie and nutrient totals, works around allergies, and produces a parent-friendly summary — so you can see whether things are improving and share the real picture at an appointment.

Written for UK parents and aligned with current NHS and NICE guidance. Last updated 9 June 2026.

Key takeaways

  • For fussy toddlers, track intake alongside the weight trend — not just one or the other.
  • Erratic day-to-day eating averages out: a week of logs is more useful than a single day.
  • A good app turns weeks of logs into a one-page summary for your GP or health visitor.
  • VitaBaby tracks weight, meals, calories, and allergies, and exports a clear summary.

What to look for

Most toddler apps focus on routines, sleep, or milestones. When the worry is weight and fussy eating, you need something different: a tool that shows the weight trend over time and connects it to what your toddler is actually eating across erratic days, so you can see whether small, calorie-dense changes are working — rather than reacting to one tiny lunch.

  • Weight tracking that shows the trend on a centile-style chart, not just the latest number.
  • Quick meal and snack logging that totals daily calories, protein, and key nutrients.
  • The ability to account for allergies so suggestions and recipes fit your child.
  • A clear summary you can show or export for a GP or health visitor appointment.

How VitaBaby helps

VitaBaby charts your toddler’s weight against age and logs meals, snacks, and appetite so daily calorie and nutrient totals sit next to the weight trend. Because toddler eating is erratic, it is the weekly average and the trend that tell the real story — and VitaBaby surfaces both. You can set your child’s allergies so meal plans and recipes are generated around them and labelled with allergens, and generate calorie-dense, age-appropriate recipe ideas for small appetites.

When you next see your GP or health visitor, VitaBaby turns weeks of logs into a one-page summary of weight, intake, and notes — so you arrive with evidence rather than a worried guess.

An app supports, it does not diagnose

Tracking helps you and your clinician spot patterns and check whether changes are helping — but persistent slow gain, weight loss, or a toddler who seems unwell should always be assessed by a health visitor or GP. For what is normal and when to seek advice, see our guide on a toddler not gaining weight and fussy eating.

FAQ

What app helps track a toddler who won’t gain weight?

Look for one that charts the weight trend and links it to what your toddler actually eats. VitaBaby tracks weight against age, logs meals and snacks with daily calorie and nutrient totals, and turns it into a summary you can share with your GP or health visitor.

Is there an app to show my toddler’s eating to the GP?

Yes — VitaBaby generates a parent-friendly one-page summary of weight, intake, and notes that you can show on screen or export, so a short appointment focuses on the real picture rather than guesswork.

Can the app handle my toddler’s allergies?

VitaBaby lets you set your child’s allergies so meal plans and recipes are built around them and clearly labelled with allergens, and you can log foods and symptom notes to keep a record of what agrees with them.

Is VitaBaby free?

VitaBaby is free to download on the App Store and Google Play, with optional paid tiers (Pro and Max) for advanced recipes, deeper analytics, and family sharing.

Sources

This guide is general information, not medical advice. For concerns about your baby’s growth or feeding, speak to your health visitor or GP.