{"app_store_id":1641049918,"slug":"sleep-gem-baby-sleep-tracker-1641049918","name":"Sleep Gem: Baby Sleep Tracker","subtitle":"Wake Windows & Nap Schedule","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/66/fd/1e/66fd1e54-9cbb-f37b-4348-646961a53154/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/sleep-gem-baby-sleep-tracker/id1641049918?uo=4","price":0,"currency":"USD","rating":5,"rating_count":1,"in_app_purchases":false,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Medical","version_date":"2026-09-16T18:45:21Z","updated_at":"2026-10-21T22:27:13.024Z","stale":false,"missing_since":null,"one_liner":"Baby sleep tracker that logs naps and sleep and suggests the next put-down time from your baby's own wake windows.","verified_maker":false,"maker_site":null,"file_size_bytes":107467776,"minimum_os":"16.0","content_rating":"4+","language_count":1,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/52/68/90/52689019-c729-5f20-2c11-9c9984be84f5/313694f8-3345-402e-8b30-50b70b0ff8ac_Designed_by_Parents_for_Parents.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/42/45/76/42457612-e4f7-cf7f-00f1-6332db8ed08b/6d267864-7a81-4757-ab61-94affa43f85f_Easy_sleep_and_wake_time_tracking.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/f4/4b/ed/f44bed60-15d9-3289-11d7-4d1a16a3dcd1/475af735-de8c-4740-896d-295e0cfbb229_Sleep_Through_the_Night.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/b5/b7/8e/b5b78edd-0c80-f1a8-a061-0df8f4d6f620/c74fd4a7-6834-4f49-824b-d170771cbc81_Data_Analysis_to_Optimise_Wake_Times.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/ce/ca/9b/ceca9b31-d72e-7628-8432-52fdbd450a58/a230c47a-2df9-4a42-8d6c-2dd6c12ad86e_Visualise_Sleep_Schedules.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/bd/e9/96/bde9969a-552a-575a-c1e3-1a15a895bc52/6ea1af68-6b60-4f82-874b-cbec1904b099_Dark_Mode_Option.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/aa/a2/86/aaa286ec-09db-4557-85f1-90e49cd9e9fd/febf293c-a48e-4d65-8e7f-b2dd73ac0857_Historical_Data_in_Various_Formats.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/c0/03/6e/c0036e2c-a1ba-fd71-3a0d-23d9f4fb3360/7a3a1a11-2dd6-4c63-8b61-c102a6c6f98c_AI_Chat_Bot_App_Support.png/392x696bb.png"],"developer_name":"Hyperdrive Technologies Pte. Ltd.","editors_choice":false,"url":"https://apptierlist.com/apps/sleep-gem-baby-sleep-tracker-1641049918/","api_url":"https://apptierlist.com/api/v1/apps/sleep-gem-baby-sleep-tracker-1641049918","schema_version":"1.0","generated_at":"2026-10-22T07:50:27.722Z","data_as_of":"2026-10-22T01:26:12.817Z","description":"Sleep Gem is the baby sleep tracker that learns your baby's own wake windows and tells you when to put them down. No generic age chart: every nap you log tunes your baby's schedule, so naps get longer and nights get calmer.\n\nBuilt by a father of three in Singapore and refined over five years and hundreds of thousands of logged days.\n\nHOW IT WORKS\n1. Log with two taps: Wake Up, Put Down, Sleep, Pick Up.\n2. Sleep Gem works out your baby's wake windows from what you log and shows the next put-down time.\n3. AutoOptimise keeps adjusting the nap schedule and bedtime as your baby grows, through nap transitions, sleep regressions and sick days.\n\nWHAT YOU GET\n• The next put-down time, always on screen, with a \"Why this time?\" explanation\n• A nap and bedtime schedule that is your baby's, not an average\n• Night sleep, night wakings and total sleep charts over 15 to 90 days\n• A plain-language morning briefing on how last night went\n• Mark an unwell day and the schedule adapts instead of breaking\n• Beginner or Advanced logging: start simple, add awake-in-crib time when you are ready\n• One shared log for both parents, your helper or grandparents, updated live\n• Edit, insert and undo entries, with a roller time picker for exact times\n• Dark mode for 3 a.m.\n• Care log (feeds, diapers) and WHO growth charts\n• English, 中文 and Bahasa Indonesia\n\nWHO IT IS FOR\nNewborns, infants and toddlers up to about three years. Especially useful if you are:\n• A first-time parent guessing when the next nap should be\n• Working through the 4-month sleep regression or a 2-to-1 nap transition\n• Sharing care with a partner, helper, nanny, daycare or grandparents\n• Planning to sleep train and want a solid routine first\n\nFREE\nSleep Gem is free. No subscription, no paywall, every feature included. Start as a guest, no account needed.\n\nWHAT PARENTS SAY\n\"Lifesaver for parents who manually calculate and record wake times. No need to calculate wake times anymore.\" (App Store review, Singapore)\n\"It helps to relieve our mental load for calculating when's the next nap.\" (App Store review, Singapore)\n\nQuestions or ideas? hello@sleepgem.app\nMore at sleepgem.app","facts":{"developer_id":1641049920,"developer_url":"https://sleepgem.app","first_released":"2022-11-25T08:00:00Z","support_url":"https://sleepgem.app/support","privacy_url":"https://sleepgem.app/privacy","website_url":"https://sleepgem.app/","app_version":"1.3.1","release_notes":"Sleep Gem now learns your baby's wake windows faster and explains last night in plain language.\n\n• Morning briefing: how the night went and what to try today\n• AutoOptimise: wake windows keep adjusting as your baby grows\n• Care log and WHO growth charts\n• 中文 and Bahasa Indonesia\n• Edit, insert and undo any entry\n\nLoving Sleep Gem? A rating helps other tired parents find it.","rating_current_version":5,"rating_count_current_version":1,"star_counts":[0,0,0,0,1],"genres":["Medical","Health & Fitness"],"languages":["EN"],"content_advisories":null,"device_families":["iphone","ipad"],"chart":null},"freshness":{"apple_read_at":"2026-10-21T22:27:13.024Z","catalog_read_at":"2026-10-21T22:27:13.024Z","reviews_checked_at":null,"summary_written_at":"2026-10-21T04:46:14.818Z","placed_at":"2026-10-10T04:13:02.942Z","scored_at":"2026-10-22T01:26:12.817Z"},"editorial":{"one_liner":"Baby sleep tracker that logs naps and sleep and suggests the next put-down time from your baby's own wake windows.","what_is":"Sleep Gem is a baby sleep tracker for newborns, infants and toddlers up to about three years. Parents log wake ups, put-downs, sleep and pick-ups with two taps, and the app works out wake windows and shows the next put-down time. It also offers sleep and feed charts, a care log and WHO growth charts.","good_for":["First-time parents unsure when the next nap is due","Sharing nap and night logs with a partner or grandparents","Following a routine before starting sleep training"],"pricing":"Sleep Gem: Baby Sleep Tracker is free, with no in-app purchases on the App Store.","faq":[{"q":"Do I need an account to start?","a":"No. You can start as a guest, no account needed."},{"q":"Does it use a generic age chart for sleep times?","a":"No. It learns your baby's own wake windows from each logged nap and does not rely on an age chart."},{"q":"Can more than one person log entries?","a":"Yes. The listing describes one shared log for both parents, a helper or grandparents, updated live."}],"model":"claude-haiku-5-5","created_at":"2026-10-21T04:46:14.818Z"},"memberships":[{"list":"baby-sleep-tracking","list_name":"baby sleep tracking","list_status":"active","list_url":"https://apptierlist.com/best/baby-sleep-tracking/","position":29,"tier":"C","score":62.2,"components":{"rating":97.1,"votes":51.5,"rank":0,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-10T04:13:02.942Z"}],"main_list":"baby-sleep-tracking","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":137639,"at":"2026-10-17T02:50:13.397Z","kind":"tier_changed","list":"baby-sleep-tracking","app_store_id":1641049918,"app":"sleep-gem-baby-sleep-tracker-1641049918","from":null,"to":"C","reason":"checked from the list's side: ranked #21","job":"rescore"},{"id":137271,"at":"2026-10-17T02:39:13.388Z","kind":"membership_removed","list":"baby-tracking","app_store_id":1641049918,"app":"sleep-gem-baby-sleep-tracker-1641049918","from":"active","to":"removed","reason":"list-side recheck: It tracks only sleep, not feeding or diapers. 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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/sleep-gem-baby-sleep-tracker-1641049918/"}}