Mona Child Symptom Diary

Tom Scheduikat · Medical

Free

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Chart standing · US

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What changed · US

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Oct 12, 2026
New version 1.4.0 → 1.4.1

New in 1.4.1 • Statistics: the "Tummy & nappy" card now also counts vomiting and wet nappies. • Fever chart: the spacing between readings reflects the time between them, so longer breaks are visible. • Fluids and weight use round axis values; the weight chart is drawn in full again. • Summary for your doctor (Mona Pro): now with vomiting and wet nappies, and symptoms in the summary's language. • Smaller fixes and improvements.

Oct 9, 2026
New version 1.3.1 → 1.4.0
Sep 28, 2026
New version 1.3.0 → 1.3.1
Sep 15, 2026
New version 1.2.0 → 1.3.0
Aug 28, 2026
New version 1.1 → 1.2.0

In-app purchases · US

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Subscriptions
Mona Pro $3.99/ month · 7-day free trial
Mona Pro $34.99/ year · 14-day free trial

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About

It's three in the morning, your child has a fever, and you're wondering: when was the last dose? How high was the temperature two hours ago? Mona is the fever diary and illness diary for your child. You log fever, medication and symptoms in a few seconds, with one hand and even without an internet connection. Free for one child For one child, Mona is free with no time limit: every entry type, the fever curve and daily overviews for the last 30 days, and the PDF export. You need Mona Pro for more than one child, to share the history with your family, to look back beyond 30 days and for the summary for your doctor. What you can record • Fever: every reading with the time and the method (ear, forehead, armpit, oral, rectal). The fever curve shows the readings over hours and days. • Medication: syrups, suppositories, drops or tablets with the dose and time. So you can always see when the last dose was given. • Symptoms: cough, runny nose, sore throat, earache, vomiting, diarrhoea, rash and more, each with the time and severity. Like a symptom diary, only faster. • Drinking and eating: what and how much your child drank and ate, as a simple drinks log. • Tummy and nappy: stools, vomiting and wet nappies. • When an illness started: how long your child has been unwell. • Sleep, mood and weight. • Headaches: a headache diary for children with a child-friendly pain scale. • Skin and rashes: a history with up to three photos that stay on your device. For the paediatrician You show the whole illness history as a PDF: temperature readings, medication and symptoms, day by day with the time. You don't have to piece anything together from memory. With Mona Pro you also get the summary for your doctor: the highest temperature, doses, fluids and stools, day by day on one page. Together for a sick child (Mona Pro) Whoever takes the temperature at night logs it, and your partner sees it in the morning on their own phone. You can also invite a parent who lives apart, grandparents, a nanny or a babysitter. That way everyone who looks after your child knows when the last dose was given. Made for the night Dark mode, big buttons and one-handed entry. Mona works offline, even in a waiting room with no signal. In cold season Whether it's a cold, a stomach bug or the next infection brought home: you have a record of what started when and what your child was given. For newborns, babies, toddlers and school-age children. Mona does not measure Mona is not a thermometer. You measure with your own thermometer as usual and record the reading in Mona. Privacy Without an account, all entries stay on your device. If you create an account, your entries are synced in encrypted form via servers in the EU. No ads, no selling of data. Built by a father Tom, a father of three, built Mona after he could no longer tell the paediatrician when the fever had started. Note: Mona is for documentation. Mona is not a medical device and does not diagnose, treat, cure, or prevent any medical condition, and it does not replace medical advice. If you have questions about your child's health, please contact your child's doctor. Terms of Use (EULA): https://www.mona-symptom-diary.com/terms Privacy Policy: https://www.mona-symptom-diary.com/privacy

What's new · 1.4.1

New in 1.4.1 • Statistics: the "Tummy & nappy" card now also counts vomiting and wet nappies. • Fever chart: the spacing between readings reflects the time between them, so longer breaks are visible. • Fluids and weight use round axis values; the weight chart is drawn in full again. • Summary for your doctor (Mona Pro): now with vomiting and wet nappies, and symptoms in the summary's language. • Smaller fixes and improvements.

Details

ReleasedFeb 2026
UpdatedJun 2026
Version1.4.1
Size57.5 MB
RequiresiOS 15.1 or later
Age rating4+
LanguagesEnglish
PriceFree
Categories MedicalHealth & Fitness
Bundle IDcom.mona-system-diary.www