{"app_store_id":443919067,"slug":"fertility-friend-ff-tracker-443919067","name":"Fertility Friend FF Tracker","subtitle":"Ovulation Cycle & Fertile Days","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/ad/93/2d/ad932d40-df9c-e1ad-7dc4-a2c2e72a326d/AppIcon-0-0-1x_U007epad-0-1-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/fertility-friend-ff-tracker/id443919067?uo=4","price":0,"currency":"USD","rating":4.81295,"rating_count":7442,"in_app_purchases":true,"recent_rating":2.64,"recent_review_count":14,"reviews_checked_at":"2026-10-12T05:03:53.813Z","primary_genre":"Health & Fitness","version_date":"2026-10-20T12:47:27Z","updated_at":"2026-10-20T19:32:13.753Z","stale":false,"missing_since":null,"one_liner":"Tracks menstrual cycles and fertility signs, then creates charts and estimates ovulation.","verified_maker":false,"maker_site":null,"file_size_bytes":34492416,"minimum_os":"16.6","content_rating":"17+","language_count":6,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/db/5d/c1/db5dc1c9-5338-f0ad-a09a-098d4fc4415b/01-track-ovulation-fertility.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/66/91/76/669176c4-53c6-4c54-1a6f-95b849e0a9d9/02-pinpoint-ovulation.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e6/6e/e7/e66ee7d0-46a7-4bb2-c52d-6e6d5ee7e150/03-fertile-days.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/cf/8e/b4/cf8eb448-436d-81f9-2f8a-cc8ff34db493/04-fertility-analyzer.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/d8/f4/08/d8f4087b-91b3-67e3-8034-91fed776dae3/05-ovulation-tracker.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/fb/0d/ac/fb0dac60-bf3c-16ac-d497-f934242dc5ab/06-wearable-integration.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/20/3c/1d/203c1d91-113c-33cf-eff2-5e1320132a19/07-stats-compare.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d9/cd/cc/d9cdcc9d-52cc-3c84-d98e-031fcaa9bce5/08-explore-data.jpg/320x480bb.jpg"],"developer_name":"Tamtris Web Services Inc.","editors_choice":false,"url":"https://apptierlist.com/apps/fertility-friend-ff-tracker-443919067/","api_url":"https://apptierlist.com/api/v1/apps/fertility-friend-ff-tracker-443919067","schema_version":"1.0","generated_at":"2026-10-21T23:36:31.062Z","data_as_of":"2026-10-21T22:08:13.087Z","description":"Track ovulation with confidence with the gold standard fertility charting app, trusted for over 25 years. Fertility Friend helps to accurately find your most fertile days, understand your ovulation pattern, and learn more about your unique cycle.\n\nJoin the millions of women who have used Fertility Friend while trying to conceive, including over 1 million who recorded positive pregnancy tests in the app.\n\nTrack your period and key fertility signs (BBT, cervical fluid, OPKs, symptoms). Fertility Friend will automatically create your chart, highlight your fertile window, and provide personalized insights, including when ovulation likely occurred and when to test for pregnancy.\n\nFertility Friend teaches you how to chart, what your signs mean, and gives you the confidence to never miss a fertile opportunity.\n\nWhat’s FREE:\n- We do not sell or share your data or display ads\n- 30-day trial of premium features (No credit card, no auto-charge)\n- Automatic ovulation detection\n- Use Fertility Friend’s advanced (default) accurate ovulation detector or choose ovulation detection based on the Fertility Awareness Method (FAM)\n- Interactive fertility chart with coverline and symptom display\n- Color-coded fertility calendar: see your period, fertile days, ovulation and more at a glance\n- Detailed and customizable data entry: period, BBT, OPK, CM, symptoms, meds, LH tests...\n- Sync with Apple Health and Oura (automatic import of temps, heart rate, sleep, and more)\n- Graphical cycle progress bar/ticker display\n- Daily data summary\n- Period tracking\n- Menstrual cycle statistics: cycle length, phase length, ovulation dates\n- Extensive TTC educational library: videos, lessons, quizzes, games, articles\n- Searchable gallery of 240,000+ shared cycles. \n- View real life BBT charts filtered by keywords\n- Sharing possibilities (optional)\n- Dark Mode and custom color themes\n- Companion access to FertilityFriend.com\n\nWhat’s PREMIUM (Highlights):\n- All Free features plus\n- Advanced fertility insights and analysis\n- More graphs & detailed interpretations\n- Enhanced data display on chart and calendar\n- Cycle comparison tools\n- Pregnancy Monitor\n- Pregnancy Tracker\n- Charts “Like Mine” gallery search\n- Stats display on Chart Gallery searches\n- Pattern detection\n- Private, supportive community\n- Additional expert tools developed over decades\n\nFertility Friend offers unmatched experience, accuracy, and depth to help you understand your cycle with confidence.\n\nImportant: This app provides educational estimates only and must not be used to avoid pregnancy or schedule medical procedures. Always consult your healthcare provider for medical advice.","facts":{"developer_id":292760734,"developer_url":"https://fertilityfriend.com/","first_released":"2011-06-21T19:15:41Z","support_url":"https://www.fertilityfriend.com/contact.html","privacy_url":"https://fertilityfriend.com/ffprivacy.html","website_url":"https://fertilityfriend.com/","app_version":"15.24","release_notes":"This is a technical update. Bug fixes and minor UI improvements.","rating_current_version":4.81295,"rating_count_current_version":7442,"star_counts":[131,39,121,509,6639],"genres":["Health & Fitness","Medical"],"languages":["EN","FR","DE","IT","PT","ES"],"content_advisories":["Infrequent/Mild Medical/Treatment Information","Infrequent/Mild Sexual Content and Nudity","Infrequent/Mild Mature/Suggestive Themes"],"device_families":["iphone","ipad"],"chart":null},"freshness":{"apple_read_at":"2026-10-20T19:32:13.753Z","catalog_read_at":"2026-10-17T18:32:13.395Z","reviews_checked_at":"2026-10-12T05:03:53.813Z","summary_written_at":"2026-10-07T23:44:25.877Z","placed_at":"2026-10-07T23:43:25.879Z","scored_at":"2026-10-21T22:08:13.087Z"},"editorial":{"one_liner":"Tracks menstrual cycles and fertility signs, then creates charts and estimates ovulation.","what_is":"Fertility Friend is a Health & Fitness app for tracking periods and fertility signs such as BBT, cervical fluid, and OPKs. It creates fertility charts and provides estimates and insights about ovulation and cycle patterns.","good_for":["Recording periods and daily fertility signs","Viewing a chart of cycle data and fertile days","Learning about fertility charting through educational materials"],"pricing":"Fertility Friend FF Tracker is free to download, with in-app purchases on the App Store.","faq":[{"q":"What can I record in the app?","a":"You can enter periods, BBT, OPKs, cervical fluid, symptoms, medications, and LH tests."},{"q":"Does the app include a premium trial?","a":"Yes. The listing says premium features have a 30-day trial, with no credit card and no auto-charge."},{"q":"Can I use its estimates to avoid pregnancy or schedule medical procedures?","a":"No. Its estimates are educational only and must not be used for those purposes. It advises consulting a healthcare provider for medical advice."}],"model":"gpt-6-luna","created_at":"2026-10-07T23:44:25.877Z"},"memberships":[{"list":"fertility-tracking","list_name":"fertility tracking","list_status":"active","list_url":"https://apptierlist.com/best/fertility-tracking/","position":10,"tier":"S","score":93.6,"components":{"rating":96,"votes":80.3,"rank":98.2,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-09T00:04:46.866Z"}],"main_list":"fertility-tracking","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":141568,"at":"2026-10-17T05:08:13.394Z","kind":"tier_changed","list":"fertility-tracking","app_store_id":443919067,"app":"fertility-friend-ff-tracker-443919067","from":"A","to":"S","reason":"rank shift: #7, score unchanged at 93.1","job":"rescore"},{"id":136219,"at":"2026-10-17T02:04:13.384Z","kind":"tier_changed","list":"fertility-tracking","app_store_id":443919067,"app":"fertility-friend-ff-tracker-443919067","from":"S","to":"A","reason":"rank shift: #7, score unchanged at 93.1, tier full (a quarter of the list)","job":"rescore"},{"id":121669,"at":"2026-10-16T05:10:51.813Z","kind":"tier_changed","list":"fertility-tracking","app_store_id":443919067,"app":"fertility-friend-ff-tracker-443919067","from":null,"to":"S","reason":"checked from the list's side: ranked #7","job":"rescore"},{"id":107869,"at":"2026-10-15T15:15:01.036Z","kind":"tier_changed","list":"fertility-tracking","app_store_id":443919067,"app":"fertility-friend-ff-tracker-443919067","from":"S","to":null,"reason":"under review: not checked from the list's side yet","job":"rescore"},{"id":42025,"at":"2026-10-09T12:05:03.829Z","kind":"tier_changed","list":"fertility-tracking","app_store_id":443919067,"app":"fertility-friend-ff-tracker-443919067","from":"C","to":"S","reason":"score 93.5","job":"rescore"},{"id":16126,"at":"2026-10-09T01:47:25.880Z","kind":"tier_changed","list":"fertility-tracking","app_store_id":443919067,"app":"fertility-friend-ff-tracker-443919067","from":null,"to":"C","reason":"score 69","job":"rescore"},{"id":11077,"at":"2026-10-07T23:43:25.879Z","kind":"membership_added","list":"period-trackers","app_store_id":443919067,"app":"fertility-friend-ff-tracker-443919067","from":null,"to":"active","reason":"judge: keep","job":"judge"},{"id":11075,"at":"2026-10-07T23:39:25.876Z","kind":"app_added","list":null,"app_store_id":443919067,"app":"fertility-friend-ff-tracker-443919067","from":null,"to":null,"reason":"discovered","job":"listTurn"}],"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":"period-trackers","list_name":"period trackers","status":"removed","review_status":null,"position":null,"tier":null,"score":69,"components":{"rating":96,"votes":80.3,"rank":0,"recency":100},"ranks":[],"verdicts":[{"verdict":"keep","reason":"It logs menstrual cycles and fertility signs, then predicts ovulation and fertile windows for trying to conceive.","verifier":"2026-09-30","decided_at":"2026-10-07T23:43:25.879Z","attempts":1,"current":false}]},{"list":"fertility-tracking","list_name":"fertility tracking","status":"active","review_status":"checked","position":10,"tier":"S","score":93.6,"components":{"rating":96,"votes":80.3,"rank":98.2,"recency":100},"ranks":[{"country":"us","rank":4},{"country":"gb","rank":3},{"country":"ca","rank":3},{"country":"au","rank":1},{"country":"de","rank":3}],"verdicts":[{"verdict":"keep","reason":"The app's core purpose is charting BBT, cervical fluid and OPKs to detect ovulation and highlight the fertile window. That is exactly what this list is for.","verifier":"list check","decided_at":"2026-10-16T04:32:51.812Z","attempts":1,"current":true},{"verdict":"keep","reason":"It is a fertility charting app that tracks BBT, cervical fluid and OPKs, finds the fertile window and detects ovulation.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-08T22:49:13.058Z","attempts":1,"current":false}]}]},"data_version":40379,"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/fertility-friend-ff-tracker-443919067/"}}