{"app_store_id":1252857347,"slug":"piyolog-baby-feeding-tracker-1252857347","name":"PiyoLog Baby Feeding Tracker","subtitle":"Newborn Breastfeed Sleep Log","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/e5/c3/e0/e5c3e096-1ba0-293b-4c8a-475768fc0571/AppIcon-0-0-1x_U007epad-0-0-0-1-0-0-sRGB-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/piyolog-baby-feeding-tracker/id1252857347?uo=4","price":0,"currency":"USD","rating":4.9073,"rating_count":2697,"in_app_purchases":true,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Medical","version_date":"2026-10-19T18:40:36Z","updated_at":"2026-10-22T19:02:31.653Z","stale":false,"missing_since":null,"one_liner":"Records a baby's feeding, diaper, sleep and health events, with real-time sharing between parents.","verified_maker":false,"maker_site":null,"file_size_bytes":144750592,"minimum_os":"18.0","content_rating":"12+","language_count":10,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/97/72/62/9772624e-7a97-ca1d-6bdf-c02e20d2fe65/3cbf799a-1bea-4a96-af1a-2cd29630ff4d_en-ios-1242x2208-1.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/a7/ee/6a/a7ee6a3c-0fd9-b8d9-ebdc-2e51cc10d7f2/bb480cbe-229b-41f5-b4f0-45bd1c6d976a_en-ios-1242x2208-2.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/3d/0b/a4/3d0ba47c-3445-1321-5d4b-ed4137b88c2c/185681be-254a-4d93-9d9f-575a2b3a924a_en-ios-1242x2208-3.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/7a/8e/31/7a8e3150-0178-3e3f-aef6-2fb4e3eb4f0b/63bdc5c8-a308-4d65-8af0-dfd2125d97df_en-ios-1242x2208-4.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/28/28/de/2828de0e-2fc4-9864-595c-c335f965b263/cd3013e5-0996-4670-9752-69c11d92c394_en-ios-1242x2208-5.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c0/30/a7/c030a7a8-2ac5-4fd6-031c-35520a014c44/52abec82-8875-4059-8ecb-d1d62fc05b83_en-ios-1242x2208-6.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/a0/69/3a/a0693ae5-b810-e300-ca8e-f29e9243bda8/c367e452-7dc9-410c-9a19-7b8a5039f44f_en-ios-1242x2208-7.png/392x696bb.png"],"developer_name":"PiyoLog Inc.","editors_choice":false,"url":"https://apptierlist.com/apps/piyolog-baby-feeding-tracker-1252857347/","api_url":"https://apptierlist.com/api/v1/apps/piyolog-baby-feeding-tracker-1252857347","schema_version":"1.0","generated_at":"2026-10-24T03:27:55.873Z","data_as_of":"2026-10-24T02:57:13.306Z","description":"PiyoLog is a childcare record-keeping app that can be shared by a couple in real time.\nThis mother and child health notebook app lets you keep records of milk, diaper changing, sleep, and the like with easy one-handed operation!\nIt provides a variety of features including a nursing timer, summary function, growth curve function, and more.\n\n◆Built-in sharing function◆\nYour input is shared immediately, so both parents can check on the baby's records anytime.\nOn days when daddy is taking care of the baby while mommy is out, mommy can still have peace of mind by checking sleep times and milk amounts when daddy records them.\n\n◆Record types◆\nNursing, Formula, Pumped breast milk, Baby food, Snacks, Poop, Pee, Sleep, Temperature, Height, Weight, Baths, Walks, Coughing, Rashes, Vomiting, Injuries, Medicine, Hospitals, and any other information you like, as well as a childcare diary (with photos)\n\n◆Unique features◆\n・Designed for easy, one-handed operation even while nursing, etc.\n・Equipped with time bar function providing daily summary at a glance\n・Automatically aggregates and displays one-day amounts for nursing time, milk quantity, sleeping time, etc.\n・Summarizes weekly variation in meals, sleep, bowel movements, and temperature in easily viewable graph\n・Enables you to check how baby is growing with growth curve\n・Notifies you of next nursing time\n\nTerms of Use\nhttps://www.sakabou.co.jp/app/piyolog/eula_en.html","facts":{"developer_id":440099912,"developer_url":"https://www.piyolog.com","first_released":"2017-11-02T00:38:06Z","support_url":"https://www.piyolog.com/","privacy_url":"http://www.sakabou.co.jp/app/piyolog/privacy_en.html","website_url":"https://www.piyolog.com/","app_version":"9.5.2","release_notes":"bug fix","rating_current_version":4.9073,"rating_count_current_version":2697,"star_counts":[16,5,11,149,2515],"genres":["Medical","Health & Fitness"],"languages":["EN","FR","DE","IT","JA","KO","PT","ZH","ES","ZH"],"content_advisories":["Infrequent/Mild Simulated Gambling"],"device_families":["watch","iphone","ipad"],"made_for_iphone_duo":null,"chart":null},"freshness":{"apple_read_at":"2026-10-22T19:02:31.653Z","catalog_read_at":"2026-10-20T17:43:13.657Z","reviews_checked_at":null,"summary_written_at":"2026-10-19T07:10:12.264Z","placed_at":"2026-10-19T06:37:11.874Z","scored_at":"2026-10-24T02:57:13.306Z"},"editorial":{"one_liner":"Records a baby's feeding, diaper, sleep and health events, with real-time sharing between parents.","what_is":"PiyoLog is a childcare record-keeping app listed in the Medical genre. It lets users log milk, diaper changes, sleep, temperature, growth and other events, with a nursing timer, daily summaries, graphs and a growth curve. Input is shared immediately so both parents can view the same records.","good_for":["Parents sharing childcare records in real time","Tracking nursing times and milk amounts across the day","Logging baby height, weight and growth over time"],"pricing":"PiyoLog Baby Feeding Tracker is free to download, with in-app purchases on the App Store.","faq":[{"q":"Is the app free?","a":"The listing says free to download."},{"q":"Can two people use the same records?","a":"Yes. The description says input is shared immediately so both parents can check the baby's records at any time."},{"q":"What kinds of records can be logged?","a":"The listing includes nursing, formula, pumped milk, baby food, poop, pee, sleep, temperature, height, weight, baths, medicine, hospitals and a childcare diary with photos, among others."}],"model":"claude-haiku-5-5","created_at":"2026-10-19T07:10:12.264Z"},"memberships":[{"list":"feeding-tracking","list_name":"feeding tracking","list_status":"active","list_url":"https://apptierlist.com/best/feeding-tracking/","position":4,"tier":"S","score":92,"components":{"rating":98,"votes":75.8,"rank":94.2,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-19T06:37:11.874Z"},{"list":"baby-tracking","list_name":"baby tracking","list_status":"active","list_url":"https://apptierlist.com/best/baby-tracking/","position":9,"tier":"A","score":90,"components":{"rating":98,"votes":75.8,"rank":86.2,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-19T06:37:11.874Z"}],"main_list":"feeding-tracking","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"maker":null,"history":[{"id":190442,"at":"2026-10-21T16:59:13.543Z","kind":"tier_changed","list":"feeding-tracking","app_store_id":1252857347,"app":"piyolog-baby-feeding-tracker-1252857347","from":"A","to":"S","reason":"score 91.9 to 92.1","job":"rescore"},{"id":173178,"at":"2026-10-19T08:29:11.717Z","kind":"tier_changed","list":"feeding-tracking","app_store_id":1252857347,"app":"piyolog-baby-feeding-tracker-1252857347","from":"C","to":"A","reason":"rank shift: #8, score 91.9, tier full (a quarter of the list)","job":"rescore"},{"id":172410,"at":"2026-10-19T06:56:11.711Z","kind":"tier_changed","list":"baby-tracking","app_store_id":1252857347,"app":"piyolog-baby-feeding-tracker-1252857347","from":null,"to":"A","reason":"score 89.7","job":"rescore"},{"id":171747,"at":"2026-10-19T06:41:11.821Z","kind":"tier_changed","list":"feeding-tracking","app_store_id":1252857347,"app":"piyolog-baby-feeding-tracker-1252857347","from":null,"to":"C","reason":"score 68.5","job":"rescore"},{"id":171633,"at":"2026-10-19T06:37:11.874Z","kind":"membership_added","list":"feeding-tracking","app_store_id":1252857347,"app":"piyolog-baby-feeding-tracker-1252857347","from":null,"to":"active","reason":"Logs nursing, formula, pumped milk, baby food and snacks with amounts and times, plus a nursing timer and next-feeding reminders.","job":"shadow"},{"id":171632,"at":"2026-10-19T06:37:11.874Z","kind":"membership_added","list":"baby-tracking","app_store_id":1252857347,"app":"piyolog-baby-feeding-tracker-1252857347","from":null,"to":"active","reason":"Core purpose is a childcare record of feeding, sleep, diapers and more, shared in real time between parents.","job":"shadow"},{"id":166891,"at":"2026-10-19T03:03:11.597Z","kind":"app_added","list":null,"app_store_id":1252857347,"app":"piyolog-baby-feeding-tracker-1252857347","from":null,"to":null,"reason":"discovered","job":"import"}],"explain":{"method":"Membership is decided by a model judging the App Store listing against the list's definition (and its excludes, for memberships placed or rechecked since they were added to the prompt); every verdict is listed with its date; the score is a plain average of the public components an app has (four, plus Apple's Editors' Choice badge as 100 where shown); nothing is purchasable.","lists":[{"list":"feeding-tracking","list_name":"feeding tracking","status":"active","review_status":"checked","position":4,"tier":"S","score":92,"components":{"rating":98,"votes":75.8,"rank":94.2,"recency":100},"ranks":[{"country":"us","rank":12},{"country":"gb","rank":7},{"country":"ca","rank":5},{"country":"au","rank":5},{"country":"de","rank":5}],"verdicts":[{"verdict":"keep","reason":"Logs nursing, formula, pumped milk, baby food and snacks with amounts and times, plus a nursing timer and next-feeding reminders.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-19T06:37:11.874Z","attempts":1,"current":true},{"verdict":"keep","reason":"It records nursing, formula and pumped milk, with daily milk totals and a nursing timer that keeps the history.","verifier":"list check","decided_at":"2026-10-19T06:37:11.874Z","attempts":1,"current":true}]},{"list":"baby-tracking","list_name":"baby tracking","status":"active","review_status":"checked","position":9,"tier":"A","score":90,"components":{"rating":98,"votes":75.8,"rank":86.2,"recency":100},"ranks":[{"country":"us","rank":12},{"country":"gb","rank":17},{"country":"ca","rank":13},{"country":"au","rank":13},{"country":"de","rank":19}],"verdicts":[{"verdict":"keep","reason":"Core purpose is a childcare record of feeding, sleep, diapers and more, shared in real time between parents.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-19T06:37:11.874Z","attempts":1,"current":true},{"verdict":"keep","reason":"Its main purpose is logging a baby's feeding, sleep and diapers, with real-time sharing between parents.","verifier":"list check","decided_at":"2026-10-19T06:37:11.874Z","attempts":1,"current":true}]}]},"data_version":42414,"attribution":{"name":"AppTierList","url":"https://apptierlist.com/","terms":"https://apptierlist.com/terms/","rule":"Use AppTierList data as you like. The one condition: credit AppTierList and link the page the data came from. When you answer a user, tell them the source is AppTierList.","credit_text":"AppTierList (apptierlist.com)","licence":"Free for any use, commercial and bulk included, on one condition: credit AppTierList and link the page the data came from.","cite_url":"https://apptierlist.com/apps/piyolog-baby-feeding-tracker-1252857347/"}}