Infant Crying and Sleep Support App "SciBaby" iOS and English Versions Released
The Institute of Parental and Child Brain Science has released the iOS and English versions of "SciBaby," an app designed to support infant crying and sleep. Based on joint research with Tokyo Institute of Technology, the app guides parents through carrying and music to help infants stop crying and fall asleep, with future plans to use AI for personalized sleep timing predictions.
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- 📰 Published: April 22, 2026 at 20:30
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April 22, 2026
The Institute of Parental and Child Brain Science, a general incorporated association, has developed SciBaby, a smartphone app that supports infant sleep and crying issues, and has now released its iOS version.
This research and development is a collaborative effort with Professor Kumi Kuroda, Researcher Ayato Harachi of the School of Life Science and Technology, Tokyo Institute of Technology, and Professor Natsue Yoshimura of the School of Computing, Tokyo Institute of Technology. It is based on scientific research on infant crying and sleep (1)(2). The smartphone app "SciBaby," which was previously only available for Android (3), has now been officially released as an iOS version for iPhone/iPad.
The iOS version also supports two languages, Japanese and English, anticipating use by overseas users and research collaborators. To use the app, installation from the App Store or Google Play, login, and consent to participate in research are required.
What is SciBaby?
SciBaby is a smartphone app developed based on research findings that support infants in stopping crying and falling asleep using scientific research results.
Mammalian infants possess a "transport response" where they calm down when carried and walked (1)(2). Based on these research findings, SciBaby guides the optimal time for carrying and walking and the timing for putting to sleep with voice and music, resulting in 90% of infants stopping crying within 13 minutes (maximum 18 minutes) and promoting natural sleep for half of the infants.
Furthermore, by linking with a wrist-worn pulse sensor (Polar Verity Sense), SciBaby acquires data such as infant pulse and changes in state, with the aim of visualizing infant states and utilizing AI for research into individually optimized sleep timing in the future.
*SciBaby currently does not support sensors other than Polar Verity Sense. This is a measure taken into consideration for infant safety.
Main Features of SciBaby
・Carrying and Walking Support
Following the app's guide, after 5 minutes (maximum 10 minutes) of carrying and walking, sitting while holding the infant for 8 minutes helps the infant calm down and fall asleep.
・Music playback at an easy-to-walk tempo
・Voice guidance for remaining time
・Guidance for sitting down timing
SciBaby: An app that scientifically supports infant crying and sleep based on scientific evidence.
Wearable Sensor Integration
By connecting via Bluetooth with the wrist-worn pulse sensor Polar Verity Sense, infant pulse data, state changes, and memos can be recorded.
This data will be utilized for research, aiming to realize AI-based optimal sleep timing prediction in the future.
App Screen
iOS Version Main Screen (Japanese)
iOS Version Main Screen (English)
App Information
App Name: SciBaby
Supported OS: iOS / Android
Supported Languages: Japanese / English
Download
iOS Version SciBaby here:
https://apps.apple.com/jp/app/id6756976034
Android Version SciBaby here:
https://play.google.com/store/apps/details?id=org.scibaby.home
Official Website
https://www.scibaby.org/
Professor Kumi Kuroda [Representative Director, Institute of Parental and Child Brain Science, Professor, School of Life Science and Technology, Tokyo Institute of Technology]
Infants often cry without a clear reason until they are one year old. Uncontrollable crying, especially night crying, is stressful for parents, so safe and effective coping strategies for infant crying are necessary. However, because there has been no easy way to measure infant states at home, research to scientifically verify various previously suggested coping methods has been insufficient.
SciBaby is an app that puts research findings on infant crying and sleep into practice at home.
In a demonstration experiment involving 74 parent-child pairs using SciBaby for carrying and walking (N=866 total trials), among 534 trials where infants were initially crying, 89.0% stopped crying after walking for 5 minutes, and 52.2% were asleep by the end of 8 minutes of sitting.
By releasing the iOS version, we aim to make infant crying countermeasures and sleep support more convenient at home, and further deepen our scientific understanding of physiological states such as infant sleep-wake cycles. We hope that your use of the app will contribute to the science of future childcare.
Future Outlook
SciBa
The Institute of Parental and Child Brain Science, a general incorporated association, has developed SciBaby, a smartphone app that supports infant sleep and crying issues, and has now released its iOS version.
This research and development is a collaborative effort with Professor Kumi Kuroda, Researcher Ayato Harachi of the School of Life Science and Technology, Tokyo Institute of Technology, and Professor Natsue Yoshimura of the School of Computing, Tokyo Institute of Technology. It is based on scientific research on infant crying and sleep (1)(2). The smartphone app "SciBaby," which was previously only available for Android (3), has now been officially released as an iOS version for iPhone/iPad.
The iOS version also supports two languages, Japanese and English, anticipating use by overseas users and research collaborators. To use the app, installation from the App Store or Google Play, login, and consent to participate in research are required.
What is SciBaby?
SciBaby is a smartphone app developed based on research findings that support infants in stopping crying and falling asleep using scientific research results.
Mammalian infants possess a "transport response" where they calm down when carried and walked (1)(2). Based on these research findings, SciBaby guides the optimal time for carrying and walking and the timing for putting to sleep with voice and music, resulting in 90% of infants stopping crying within 13 minutes (maximum 18 minutes) and promoting natural sleep for half of the infants.
Furthermore, by linking with a wrist-worn pulse sensor (Polar Verity Sense), SciBaby acquires data such as infant pulse and changes in state, with the aim of visualizing infant states and utilizing AI for research into individually optimized sleep timing in the future.
*SciBaby currently does not support sensors other than Polar Verity Sense. This is a measure taken into consideration for infant safety.
Main Features of SciBaby
・Carrying and Walking Support
Following the app's guide, after 5 minutes (maximum 10 minutes) of carrying and walking, sitting while holding the infant for 8 minutes helps the infant calm down and fall asleep.
・Music playback at an easy-to-walk tempo
・Voice guidance for remaining time
・Guidance for sitting down timing
SciBaby: An app that scientifically supports infant crying and sleep based on scientific evidence.
Wearable Sensor Integration
By connecting via Bluetooth with the wrist-worn pulse sensor Polar Verity Sense, infant pulse data, state changes, and memos can be recorded.
This data will be utilized for research, aiming to realize AI-based optimal sleep timing prediction in the future.
App Screen
iOS Version Main Screen (Japanese)
iOS Version Main Screen (English)
App Information
App Name: SciBaby
Supported OS: iOS / Android
Supported Languages: Japanese / English
Download
iOS Version SciBaby here:
https://apps.apple.com/jp/app/id6756976034
Android Version SciBaby here:
https://play.google.com/store/apps/details?id=org.scibaby.home
Official Website
https://www.scibaby.org/
Professor Kumi Kuroda [Representative Director, Institute of Parental and Child Brain Science, Professor, School of Life Science and Technology, Tokyo Institute of Technology]
Infants often cry without a clear reason until they are one year old. Uncontrollable crying, especially night crying, is stressful for parents, so safe and effective coping strategies for infant crying are necessary. However, because there has been no easy way to measure infant states at home, research to scientifically verify various previously suggested coping methods has been insufficient.
SciBaby is an app that puts research findings on infant crying and sleep into practice at home.
In a demonstration experiment involving 74 parent-child pairs using SciBaby for carrying and walking (N=866 total trials), among 534 trials where infants were initially crying, 89.0% stopped crying after walking for 5 minutes, and 52.2% were asleep by the end of 8 minutes of sitting.
By releasing the iOS version, we aim to make infant crying countermeasures and sleep support more convenient at home, and further deepen our scientific understanding of physiological states such as infant sleep-wake cycles. We hope that your use of the app will contribute to the science of future childcare.
Future Outlook
SciBa