{"schema_version":"1.0","generated_at":"2026-11-14T16:47:41.124Z","app":{"app_store_id":1454483188,"slug":"saturn-calendar-1454483188","name":"Saturn Calendar","short_name":"Saturn Calendar","subtitle":"Manage and share your time","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/4c/d1/7b/4cd17b81-be6c-ee6d-f998-3a65308f7a0d/AppIconProduction-0-0-1x_U007epad-0-1-0-0-85-220.png/512x512bb.jpg","icon_tint":"#8f39fa","store_url":"https://apps.apple.com/us/app/saturn-calendar/id1454483188?uo=4","price":0,"currency":"USD","rating":4.68721,"rating_count":67908,"rating_worldwide":4.685,"rating_count_worldwide":67970,"in_app_purchases":false,"recent_rating":2.5,"recent_review_count":20,"reviews_checked_at":"2026-10-28T00:45:12.912Z","primary_genre":"Productivity","version_date":"2026-11-09T20:13:08Z","updated_at":"2026-11-13T13:30:13.472Z","stale":false,"missing_since":null,"one_liner":"A calendar for managing personal plans, sharing calendars, and comparing availability.","verified_maker":false,"maker_site":null,"file_size_bytes":204393472,"minimum_os":"17.0","content_rating":"12+","language_count":1,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/5c/f5/1f/5cf51f7f-327d-bd87-af52-755af687fb0e/Saturn_iPhone8_01.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/f6/24/3e/f6243e6b-d9e3-ba41-73e8-bc5fda3228c1/Saturn_iPhone8_03.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/4d/ff/f8/4dfff8ab-7e51-446e-ecad-f551002ddaa6/Saturn_iPhone8_02.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/eb/c6/21/ebc62127-d8bd-cb28-fd0b-271728037942/Saturn_iPhone8_05.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/bd/d7/43/bdd743d2-98a3-010c-532a-b9110c16c702/Saturn_iPhone8_04.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/1a/fd/c8/1afdc857-400e-9ba8-6f03-8ed9db4a1afb/Saturn_iPhone8_06_trim.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e3/49/d5/e349d524-2f3f-a140-1838-702a0518be52/Saturn_iPhone8_07_trim.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/97/14/e3/9714e32f-c6e9-7ea3-2d6b-3e7b8009d910/Saturn_iPhone8_08_trim.png/392x696bb.png"],"developer_name":"Saturn Technologies Inc.","editors_choice":false,"url":"https://apptierlist.com/apps/saturn-calendar-1454483188/","api_url":"https://apptierlist.com/api/v1/apps/saturn-calendar-1454483188"},"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":"calendars","list_name":"calendars","status":"removed","review_status":null,"position":null,"tier":null,"score":70.5,"components":{"rating":93.7,"votes":88.3,"rank":0,"recency":100},"ranks":[],"verdicts":[{"verdict":"keep","reason":"Saturn is a personal calendar with Google sync that you share with friends, and the definition names it.","verifier":"audit-2026-09-30","decided_at":"2026-09-30T09:00:00.000Z","attempts":1,"current":true}]},{"list":"social-planning","list_name":"social planning","status":"active","review_status":"checked","position":10,"tier":"B","score":70.5,"components":{"rating":93.7,"votes":88.3,"rank":0,"recency":100},"ranks":[],"verdicts":[{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-14T17:43:19.784Z","attempts":1,"current":true},{"verdict":"keep","reason":"Built around friends and plans: finding overlapping free time, sending invites, and making plans in seconds, with Snapchat integration.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-08T22:49:13.058Z","attempts":1,"current":false}]},{"list":"shared-calendars","list_name":"shared calendars","status":"active","review_status":"checked","position":15,"tier":"A","score":82,"components":{"rating":93.7,"votes":88.3,"rank":46.1,"recency":100},"ranks":[{"country":"us","rank":11},{"country":"ca","rank":54}],"verdicts":[{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-14T17:43:19.784Z","attempts":1,"current":true},{"verdict":"keep","reason":"Shared calendars for trips, households, and leagues, plus comparing friends' and family's availability, are core features.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-08T22:49:13.058Z","attempts":1,"current":false},{"verdict":"keep","reason":"Saturn is a calendar for seeing and sharing plans with friends; the definition names it.","verifier":"audit-2026-09-30","decided_at":"2026-09-30T09:00:00.000Z","attempts":1,"current":false},{"verdict":"keep","reason":"","verifier":"21_verify.py@2026-09-08","decided_at":"2026-09-06T00:00:00.000Z","attempts":1,"current":false}]},{"list":"calendar-planning","list_name":"calendar planning","status":"active","review_status":"checked","position":43,"tier":null,"score":85.3,"components":{"rating":93.7,"votes":88.3,"rank":59.2,"recency":100},"ranks":[{"country":"us","rank":13},{"country":"ca","rank":13}],"verdicts":[{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-14T17:43:19.784Z","attempts":1,"current":true},{"verdict":"keep","reason":"It is a calendar app showing events, to-dos, and upcoming items at a glance, with Google Calendar sync and school schedule formats.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-08T22:49:13.058Z","attempts":1,"current":false}]}],"history":[{"id":254985,"at":"2026-11-01T20:59:13.036Z","kind":"tier_changed","list":"calendar-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"C","to":null,"reason":"rank shift: #42, below the tiered top 40","job":"rescore"},{"id":248004,"at":"2026-10-29T20:02:13.213Z","kind":"tier_changed","list":"calendar-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":null,"to":"C","reason":"rank shift: #40, score 84.9, tier full (a quarter of the list)","job":"rescore"},{"id":244350,"at":"2026-10-29T03:08:12.613Z","kind":"tier_changed","list":"social-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"S","to":"B","reason":"score 94 to 70.5","job":"rescore"},{"id":231104,"at":"2026-10-26T21:41:15.253Z","kind":"tier_changed","list":"calendar-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"S","to":null,"reason":"rank shift: #55, below the tiered top 40","job":"rescore"},{"id":208674,"at":"2026-10-25T05:54:13.247Z","kind":"tier_changed","list":"calendar-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":null,"to":"S","reason":"score 70.5 to 94","job":"rescore"},{"id":207547,"at":"2026-10-25T05:39:12.874Z","kind":"tier_changed","list":"social-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"B","to":"S","reason":"score 70.5 to 94","job":"rescore"},{"id":201853,"at":"2026-10-24T06:12:12.636Z","kind":"tier_changed","list":"calendar-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"C","to":null,"reason":"rank shift: #58, below the tiered top 40","job":"rescore"},{"id":176433,"at":"2026-10-19T12:23:11.594Z","kind":"tier_changed","list":"calendar-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":null,"to":"C","reason":"rank shift: #38, score 84.4, tier full (a quarter of the list)","job":"rescore"},{"id":146656,"at":"2026-10-17T11:29:13.394Z","kind":"tier_changed","list":"calendar-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"C","to":null,"reason":"rank shift: #45, below the tiered top 40","job":"rescore"},{"id":141723,"at":"2026-10-17T05:08:13.394Z","kind":"tier_changed","list":"shared-calendars","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"B","to":"A","reason":"rank shift: #15, score unchanged at 84.4","job":"rescore"},{"id":138564,"at":"2026-10-17T03:22:13.385Z","kind":"tier_changed","list":"calendar-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"B","to":"C","reason":"rank shift: #35, score unchanged at 84.4, tier full (a quarter of the list)","job":"rescore"},{"id":122728,"at":"2026-10-16T06:10:51.816Z","kind":"tier_changed","list":"calendar-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"A","to":"B","reason":"rank shift: #25, score unchanged at 84.4, tier full (a quarter of the list)","job":"rescore"},{"id":121612,"at":"2026-10-16T05:10:51.813Z","kind":"tier_changed","list":"shared-calendars","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"A","to":"B","reason":"rank shift: #13, score unchanged at 84.3, tier full (a quarter of the list)","job":"rescore"},{"id":115827,"at":"2026-10-16T02:09:51.811Z","kind":"tier_changed","list":"social-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":null,"to":"B","reason":"list left review: 6 or more members checked, ranked #4","job":"rescore"},{"id":109573,"at":"2026-10-15T15:30:00.489Z","kind":"tier_changed","list":"calendar-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"C","to":"A","reason":"rank shift: #13, score unchanged at 84.4","job":"rescore"},{"id":105835,"at":"2026-10-15T14:59:00.691Z","kind":"tier_changed","list":"social-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"B","to":null,"reason":"list under review: fewer than 6 members checked from the list's side","job":"rescore"},{"id":60244,"at":"2026-10-12T00:46:10.112Z","kind":"tier_changed","list":"social-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"C","to":"B","reason":"score 70.5","job":"rescore"},{"id":58806,"at":"2026-10-11T15:01:11.423Z","kind":"tier_changed","list":"social-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"B","to":"C","reason":"score 70.5","job":"rescore"},{"id":56981,"at":"2026-10-11T02:57:56.518Z","kind":"tier_changed","list":"social-planning","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"D","to":"B","reason":"score 70.5","job":"rescore"},{"id":51642,"at":"2026-10-10T12:02:24.895Z","kind":"tier_changed","list":"shared-calendars","app_store_id":1454483188,"app":"saturn-calendar-1454483188","from":"B","to":"A","reason":"score 82.5","job":"rescore"}],"data_version":62654,"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/"}}