{"schema_version":"1.0","generated_at":"2026-11-14T17:57:38.004Z","app":{"app_store_id":6680155907,"slug":"big-brain-ai-homework-helper-6680155907","name":"Big Brain - AI Homework Helper","short_name":"Big Brain","subtitle":"Scan and Solve Homework","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/24/a1/76/24a176c6-4b8f-e3b6-0677-0411cc948223/AppIcon-0-0-1x_U007epad-0-1-85-220.png/512x512bb.jpg","icon_tint":"#1d6eb7","store_url":"https://apps.apple.com/us/app/big-brain-ai-homework-helper/id6680155907?uo=4","price":0,"currency":"USD","rating":4.60944,"rating_count":1526,"rating_worldwide":4.604384961340206,"rating_count_worldwide":1552,"in_app_purchases":true,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Education","version_date":"2025-08-27T08:12:01Z","updated_at":"2026-11-02T21:08:13.304Z","stale":true,"missing_since":"2026-11-02T21:08:13.304Z","one_liner":"Photo-based homework helper that gives instant step-by-step explanations and chat tutoring for school subjects.","verified_maker":false,"maker_site":null,"file_size_bytes":39548928,"minimum_os":"16.0","content_rating":"4+","language_count":1,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/35/14/bc/3514bce8-8e71-2033-aa11-095e746a5ded/screen-1__U00281_U0029.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/2d/a6/bc/2da6bcc8-53ad-b8fa-a5e9-8475d5210bc8/screen-2__U00281_U0029.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/7e/b3/d4/7eb3d499-c91b-b052-efbd-8f640e2b7e1f/screen-3__U00281_U0029.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/3a/7d/f8/3a7df8f1-45c2-3cd6-3125-f19e72a49b61/screen-4__U00281_U0029.png/320x480bb.jpg"],"developer_name":"Tom Voitik","editors_choice":false,"url":"https://apptierlist.com/apps/big-brain-ai-homework-helper-6680155907/","api_url":"https://apptierlist.com/api/v1/apps/big-brain-ai-homework-helper-6680155907"},"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":"tutoring","list_name":"tutoring","status":"active","review_status":"checked","position":37,"tier":"F","score":50.8,"components":{"rating":92.1,"votes":71.9,"rank":0,"recency":39.3},"ranks":[],"verdicts":[{"verdict":"keep","reason":"Described as a 24/7 AI-powered school tutor with personalized tutoring through chat, across multiple subjects.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-27T08:32:14.668Z","attempts":1,"current":true},{"verdict":"keep","reason":"It goes beyond a plain answer scanner: it offers an AI tutor through chat with explanations across multiple subjects, like Gauth and Answer.AI in this list.","verifier":"list check","decided_at":"2026-10-27T08:32:14.668Z","attempts":1,"current":true}]},{"list":"homework-help","list_name":"homework help","status":"active","review_status":"checked","position":63,"tier":"F","score":50.8,"components":{"rating":92.1,"votes":71.9,"rank":0,"recency":39.4},"ranks":[],"verdicts":[{"verdict":"keep","reason":"Built and marketed as an AI homework helper: snap a photo of a problem to get instant solutions with step-by-step explanations.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-27T08:32:14.668Z","attempts":1,"current":true},{"verdict":"keep","reason":"Its core purpose is solving homework problems from a photo, with step-by-step explanations. That matches Gauth and the other homework helpers already in the list.","verifier":"list check","decided_at":"2026-10-27T08:32:14.668Z","attempts":1,"current":true}]}],"history":[{"id":260522,"at":"2026-11-03T22:33:13.377Z","kind":"tier_changed","list":"tutoring","app_store_id":6680155907,"app":"big-brain-ai-homework-helper-6680155907","from":"D","to":"F","reason":"not on the App Store","job":"rescore"},{"id":260482,"at":"2026-11-03T22:18:12.613Z","kind":"tier_changed","list":"homework-help","app_store_id":6680155907,"app":"big-brain-ai-homework-helper-6680155907","from":"B","to":"F","reason":"not on the App Store","job":"rescore"},{"id":257148,"at":"2026-11-02T21:08:13.304Z","kind":"app_missing","list":null,"app_store_id":6680155907,"app":"big-brain-ai-homework-helper-6680155907","from":null,"to":null,"reason":"not returned by lookup","job":"hydrate"},{"id":242931,"at":"2026-10-28T18:57:13.027Z","kind":"tier_changed","list":"homework-help","app_store_id":6680155907,"app":"big-brain-ai-homework-helper-6680155907","from":null,"to":"B","reason":"score 71.7 to 71.9","job":"rescore"},{"id":240610,"at":"2026-10-28T01:11:12.856Z","kind":"tier_changed","list":"homework-help","app_store_id":6680155907,"app":"big-brain-ai-homework-helper-6680155907","from":"C","to":null,"reason":"rank shift: #41, below the tiered top 40","job":"rescore"},{"id":236991,"at":"2026-10-27T16:11:27.899Z","kind":"tier_changed","list":"tutoring","app_store_id":6680155907,"app":"big-brain-ai-homework-helper-6680155907","from":"C","to":"D","reason":"score 68.5 to 51.4","job":"rescore"},{"id":234822,"at":"2026-10-27T08:33:53.559Z","kind":"tier_changed","list":"tutoring","app_store_id":6680155907,"app":"big-brain-ai-homework-helper-6680155907","from":null,"to":"C","reason":"score 68.5","job":"rescore"},{"id":234659,"at":"2026-10-27T08:33:53.559Z","kind":"tier_changed","list":"homework-help","app_store_id":6680155907,"app":"big-brain-ai-homework-helper-6680155907","from":null,"to":"C","reason":"score 71.7","job":"rescore"},{"id":234628,"at":"2026-10-27T08:32:14.668Z","kind":"membership_added","list":"tutoring","app_store_id":6680155907,"app":"big-brain-ai-homework-helper-6680155907","from":null,"to":"active","reason":"Described as a 24/7 AI-powered school tutor with personalized tutoring through chat, across multiple subjects.","job":"shadow"},{"id":234627,"at":"2026-10-27T08:32:14.668Z","kind":"membership_added","list":"homework-help","app_store_id":6680155907,"app":"big-brain-ai-homework-helper-6680155907","from":null,"to":"active","reason":"Built and marketed as an AI homework helper: snap a photo of a problem to get instant solutions with step-by-step explanations.","job":"shadow"},{"id":201579,"at":"2026-10-24T06:03:13.049Z","kind":"app_added","list":null,"app_store_id":6680155907,"app":"big-brain-ai-homework-helper-6680155907","from":null,"to":null,"reason":"discovered","job":"import"}],"data_version":62698,"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/"}}