{"app_store_id":1434527961,"slug":"fitdays-1434527961","name":"Fitdays","short_name":"Fitdays","subtitle":"","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/28/9f/b9/289fb926-b90e-b687-3035-e64304b01eba/AppIcon-0-0-1x_U007emarketing-0-7-0-sRGB-85-220.png/512x512bb.jpg","icon_tint":"#66cccc","store_url":"https://apps.apple.com/us/app/fitdays/id1434527961?uo=4","price":0,"currency":"USD","rating":3.72958,"rating_count":1849,"rating_worldwide":3.571373290298783,"rating_count_worldwide":2711,"in_app_purchases":false,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Health & Fitness","version_date":"2026-09-30T19:38:50Z","updated_at":"2026-11-03T16:00:12.945Z","stale":false,"missing_since":null,"one_liner":"Records family weight data from a connected scale, with trend charts, girth records and Apple Health sync.","verified_maker":false,"maker_site":null,"file_size_bytes":160793600,"minimum_os":"15.0","content_rating":"4+","language_count":26,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/11/0a/f1/110af1fe-b9eb-e627-57b1-a34b88a39bce/2bd73fc4-73bc-47da-8992-71165df7c044_Fitdays-I8-EN-1.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/f8/5b/25/f85b2563-becf-39ad-deef-9e3be2f6f01b/ebaf27f1-9802-428d-ae22-fe10cc3dcc18_Fitdays-I8-EN-2.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/af/17/03/af170304-87c8-83dd-b274-9efaa98cffa3/9df04865-1baf-4453-b5ca-b0a5eba9057e_Fitdays-I8-EN-3.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/32/1f/fc/321ffc2c-4aaa-3e90-b429-1a100fb66e92/18730ea3-fda6-4e5a-bda9-a65fb87bd296_Fitdays-I8-EN-4.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/89/5c/f4/895cf4db-c1e4-a5b1-c7cb-f7662ef9fd14/30691c17-85e5-46d5-bec4-6e0e6134042f_Fitdays-I8-EN-5.png/392x696bb.png"],"developer_name":"GUANGDONG ICOMON TECHNOLOGY CO., LTD","editors_choice":false,"url":"https://apptierlist.com/apps/fitdays-1434527961/","api_url":"https://apptierlist.com/api/v1/apps/fitdays-1434527961","schema_version":"1.0","generated_at":"2026-11-04T11:02:15.717Z","data_as_of":"2026-11-04T10:59:12.866Z","description":"Fitdays is an application for recording family weight data. This application can help you connect a weight scale to measure and record weight, and provide chart display and reports that can be used with family members.\nIn the iPhone based on iOS12, when you use our smart scale to measure your weight, the relevant data supports synchronization with Apple Health.\n\nThis application is a family weight data recording application. All data is for reference only for weight control and long-term exercise and fitness monitoring. It is not used as a medical device data basis. If you have medical diagnosis or treatment decisions, please consult your doctor and other medical staff. \n\n● Girth Chart Record\nHelping with better bodybuilding\n\n● Measurement Instructions\nGuiding step by step\n\n● Trend Chart\nTracking every changes of body\n\n● Family Use\nFull support up to 24 users\n\n● 15 App Colors\nPopular colors of choice","facts":{"developer_id":1359710025,"developer_url":null,"first_released":"2018-09-29T11:57:20Z","support_url":"http://fitdays.cn/","privacy_url":"https://online.fitdays.cn/app/privacy","website_url":null,"app_version":"1.28.4","release_notes":"Optimized user experience and improved system stability.","rating_current_version":3.72958,"rating_count_current_version":1849,"star_counts":[418,129,100,90,1112],"genres":["Health & Fitness","Lifestyle"],"languages":["AR","BG","KM","CS","DA","NL","EN","FR","DE","EL","IT","JA","KO","MN","PL","PT","RO","RU","ZH","SK","ES","TH","ZH","TR","UK","VI"],"content_advisories":null,"device_families":["watch","iphone","ipad","ipod"],"made_for_iphone_duo":false,"chart":null},"freshness":{"apple_read_at":"2026-11-03T16:00:12.945Z","catalog_read_at":"2026-11-03T16:00:12.945Z","reviews_checked_at":null,"summary_written_at":"2026-10-23T20:06:13.062Z","placed_at":"2026-10-22T02:08:13.481Z","scored_at":"2026-11-04T10:59:12.866Z"},"editorial":{"one_liner":"Records family weight data from a connected scale, with trend charts, girth records and Apple Health sync.","what_is":"Fitdays is a Health & Fitness app for recording weight data for family members. It can connect to a weight scale to measure and record weight, and it provides charts and reports for use with family members. The listing says data is for reference only and is not a medical device data basis.","good_for":["Tracking weight for several family members in one app","Recording body measurements alongside weight over time","Syncing smart scale weight readings with Apple Health"],"pricing":"Fitdays is free, with no in-app purchases on the App Store.","faq":[{"q":"Does it work with a weight scale?","a":"It can connect a weight scale to measure and record weight. On iPhones running iOS 12, data from its smart scale supports synchronization with Apple Health. Compatible scale models are not stated on the App Store."},{"q":"Can more than one person use the app?","a":"Yes. The listing says family use is supported for up to 24 users, with chart display and reports that can be used with family members."},{"q":"Is it a medical device?","a":"No. The listing says all data is for reference only for weight control and long-term exercise and fitness monitoring, and it is not used as a medical device data basis. Medical decisions should involve a doctor."}],"model":"claude-haiku-5-5","created_at":"2026-10-23T20:06:13.062Z"},"memberships":[{"list":"weight-tracking","list_name":"weight tracking","list_status":"active","list_url":"https://apptierlist.com/best/weight-tracking/","position":16,"tier":"D","score":57.9,"components":{"rating":57.1,"votes":74.3,"rank":0,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-22T02:08:13.481Z"},{"list":"health-tracking","list_name":"health tracking","list_status":"active","list_url":"https://apptierlist.com/best/health-tracking/","position":89,"tier":null,"score":57.9,"components":{"rating":57.1,"votes":74.3,"rank":0,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-22T02:08:13.481Z"},{"list":"body-measurement-tracking","list_name":"body measurement tracking","list_status":"draft","list_url":null,"position":null,"tier":null,"score":72.4,"components":{"rating":57.1,"votes":74.3,"rank":58.2,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"under_review","confidence":"normal","judged_at":"2026-10-22T02:08:13.481Z"}],"main_list":"weight-tracking","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"maker":null,"history":[{"id":244851,"at":"2026-10-29T05:08:12.889Z","kind":"tier_changed","list":"weight-tracking","app_store_id":1434527961,"app":"fitdays-1434527961","from":"B","to":"D","reason":"score 77.2 to 57.9","job":"rescore"},{"id":209295,"at":"2026-10-25T05:54:13.247Z","kind":"tier_changed","list":"weight-tracking","app_store_id":1434527961,"app":"fitdays-1434527961","from":"D","to":"B","reason":"score 57.9 to 77.2","job":"rescore"},{"id":198078,"at":"2026-10-23T16:17:07.217Z","kind":"tier_changed","list":"weight-tracking","app_store_id":1434527961,"app":"fitdays-1434527961","from":null,"to":"D","reason":"rank shift: #13, score unchanged at 58.3","job":"rescore"},{"id":192718,"at":"2026-10-22T02:08:13.481Z","kind":"membership_added","list":"weight-tracking","app_store_id":1434527961,"app":"fitdays-1434527961","from":null,"to":"active","reason":"It is a family weight data recording app with a connected scale, trend charts, reports, Apple Health sync and up to 24 users.","job":"shadow"},{"id":192717,"at":"2026-10-22T02:08:13.481Z","kind":"membership_added","list":"health-tracking","app_store_id":1434527961,"app":"fitdays-1434527961","from":null,"to":"active","reason":"placed by the category system","job":"shadow"},{"id":192716,"at":"2026-10-22T02:08:13.481Z","kind":"membership_added","list":"body-measurement-tracking","app_store_id":1434527961,"app":"fitdays-1434527961","from":null,"to":"active","reason":"It has a Girth Chart Record for body measurements and a trend chart that tracks every change of the body.","job":"shadow"},{"id":181530,"at":"2026-10-20T02:10:11.588Z","kind":"app_added","list":null,"app_store_id":1434527961,"app":"fitdays-1434527961","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 an average of the components an app has (four public App Store signals, plus Apple's Editors' Choice badge as 100 where shown, plus ownership as 100 where the maker has verified it with our badge: it shows in components as ownership_verified); nothing is purchasable. Apps whose maker has verified ownership get a small score component, because an active maker is a sign the app is kept up to date. It never decides a tier on its own. Updated daily.","lists":[{"list":"body-measurement-tracking","list_name":"body measurement tracking","status":"active","review_status":"checked","position":null,"tier":null,"score":72.4,"components":{"rating":57.1,"votes":74.3,"rank":58.2,"recency":100},"ranks":[{"country":"us","rank":31},{"country":"gb","rank":31},{"country":"de","rank":30}],"verdicts":[{"verdict":"keep","reason":"It has a Girth Chart Record for body measurements and a trend chart that tracks every change of the body.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-22T02:08:13.481Z","attempts":1,"current":true},{"verdict":"keep","reason":"Beyond weight, it has a dedicated girth chart record and trend charts for tracking body changes over time, so it does more than log weight.","verifier":"list check","decided_at":"2026-10-22T02:08:13.481Z","attempts":1,"current":true}]},{"list":"weight-tracking","list_name":"weight tracking","status":"active","review_status":"checked","position":16,"tier":"D","score":57.9,"components":{"rating":57.1,"votes":74.3,"rank":0,"recency":100},"ranks":[],"verdicts":[{"verdict":"keep","reason":"It is a family weight data recording app with a connected scale, trend charts, reports, Apple Health sync and up to 24 users.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-22T02:08:13.481Z","attempts":1,"current":true},{"verdict":"keep","reason":"Its core purpose is recording family weight data from a smart scale with trend charts, like arboleaf and Starfit.","verifier":"list check","decided_at":"2026-10-22T02:08:13.481Z","attempts":1,"current":true}]},{"list":"health-tracking","list_name":"health tracking","status":"active","review_status":"checked","position":89,"tier":null,"score":57.9,"components":{"rating":57.1,"votes":74.3,"rank":0,"recency":100},"ranks":[],"verdicts":[{"verdict":"keep","reason":"It is a smart-scale companion that records several body metrics, trends and girth in one place, comparable to Hume Health and Withings in this list.","verifier":"list check","decided_at":"2026-10-22T02:08:13.481Z","attempts":1,"current":true}]}]},"data_version":52838,"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/fitdays-1434527961/"}}