{"app_store_id":838981369,"slug":"guitar-tuner-easy-tune-chords-838981369","name":"Guitar Tuner Easy tune chords","subtitle":"Acoustic ukulele,electric bass","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/6b/94/42/6b9442c3-b6bb-3972-06da-fcfc370ea85f/AppIcon-0-0-1x_U007epad-0-0-0-1-0-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/guitar-tuner-easy-tune-chords/id838981369?uo=4","price":0,"currency":"USD","rating":4.57854,"rating_count":45945,"in_app_purchases":true,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":"2026-10-19T20:05:11.592Z","primary_genre":"Music","version_date":"2026-10-19T17:02:10Z","updated_at":"2026-10-21T13:19:13.671Z","stale":false,"missing_since":null,"one_liner":"Chromatic tuner for guitar, bass and ukulele using the device microphone, plus a chord library and jam tracks.","verified_maker":false,"maker_site":null,"file_size_bytes":284246016,"minimum_os":"18.6","content_rating":"4+","language_count":17,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/3e/d4/15/3ed41513-b928-2e37-af3e-fa2b3660073e/US-Screenshot-2@3x.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/4e/4b/f5/4e4bf54d-dc82-2ad7-19f3-219c940f6c54/US-Screenshot-3@3x.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/7e/db/99/7edb9930-b5ac-a329-950a-c1a22569431e/US-Screenshot-4@3x.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/65/db/15/65db1588-14bc-96b2-426c-4c43360394da/US-Screenshot-5@3x.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/a7/f2/77/a7f277aa-5c7c-ebf6-7099-f304c235775a/US-Screenshot-6@3x.jpg/320x480bb.jpg"],"developer_name":"ManoMaya","editors_choice":false,"url":"https://apptierlist.com/apps/guitar-tuner-easy-tune-chords-838981369/","api_url":"https://apptierlist.com/api/v1/apps/guitar-tuner-easy-tune-chords-838981369","schema_version":"1.0","generated_at":"2026-10-23T09:51:40.234Z","data_as_of":"2026-10-23T09:08:13.566Z","description":"CoachTuner is a FREE chromatic instrument tuner that allows you to quickly tune your guitar, bass and ukulele using the built-in mic of your iPhone/iPad/iPod. CoachTuner can tune acoustic or electric guitar, bass, ukulele. It's easy to use for beginners and it's Free.\n\n*** How to use CoachTuner ? ***\nThe open strings of a guitar from the thickest to thinest are as follows:\n\nE – the thickest or lowest sounding string is known as the 6th string\nA – is the 5th\nD – is the 4th\nG – is the 3rd\nB – is the 2nd\nE – the thinest or highest is the 1st\n\n1) First, play your low E string (6th string), the arrow must be in the middle and the text \"E\" and \"OK\" must be displayed\n2) Play your low A string (5th string), the arrow must be in the middle and the text \"A\" and \"OK\" must be displayed\n3) Play your low D string (4th string), the arrow must be in the middle and the text \"D\" and \"OK\" must be displayed\n4) Play your low G string (3th string), the arrow must be in the middle and the text \"G\" and \"OK\" must be displayed\n5) Play your low B string (2th string), the arrow must be in the middle and the text \"B\" and \"OK\" must be displayed\n6) Play your high E string (1th string), the arrow must be in the middle and the text \"E\" and \"OK\" must be displayed\n\nThe mechanics of tuning a guitar are simple. To adjust the pitch of a string, turn the string’s corresponding tuning key on the head of the guitar. \n\nFEATURES :\n- Guitar, bass and Ukulele Tuner easy for Beginners and accurate for Pros\n- You can unlock tunings (Open, Drop, Modal, etc..)\n- Chord Library : fully visual chord library with more than 1500 chords\n- Instrumental Jam Tracks to play along, Blues, Rock, Reggae, Jazz, Hard Rock, ....\n\nFollow the instructions on the App to up or down the tension of strings.\n\nCoach Tuner :\n*** Developed by Manomaya SA ***\n\nDeveloper of the first visual method to learn guitar hits with colors CoachGuitar:\n- Demo of Coach Guitar Lessons here: https://www.youtube.com/watch?v=O3UA3E4YGXA\n- facebook.com/coachguitar\n- twitter.com/coachguitar\n\nCoachGuitar App reached Top #1 music app in 11 countries\n\nCOACHTUNER PREMIUM ACCESS SUBSCRIPTION\n\nYou can subscribe for premium access with the Premium subscription. Once a premium member you get 80 open tunings, the best chords library and best guitar, bass and ukulele tuning service.\n\n- The subscriptions are $7.99 weekly, or $49.99 yearly\n- Payment will be charged to iTunes Account at confirmation of purchase\n- Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period\n- Account will be charged for renewal within 24-hours prior to the end of the current period at the cost of the chosen package\n- Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's iTunes Store Settings after purchase\n- No cancellation of the current subscription is allowed during active subscription period\n- Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable\n- CoachTuner Premium Pass is an option and the app can be used for free without it\n\nTerms : https://coachguitar.com/tuner/terms/\nContact us : contact@coachguitar.com\n\nTerms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/","facts":{"developer_id":755733988,"developer_url":"https://coachguitar.com","first_released":"2014-06-29T03:01:02Z","support_url":"https://coachguitar.com/tuner_terms.html","privacy_url":"https://coachguitar.com/en/tuner/terms","website_url":"https://coachguitar.com/","app_version":"4.1.6","release_notes":"Bug fixes and stability improvements.","rating_current_version":4.57854,"rating_count_current_version":45945,"star_counts":[1767,610,2204,6053,35308],"genres":["Music","Utilities"],"languages":["AR","DA","NL","EN","FR","DE","HI","IT","JA","KO","PT","RU","ZH","ES","TH","ZH","VI"],"content_advisories":null,"device_families":["iphone","ipad"],"made_for_iphone_duo":null,"chart":null},"freshness":{"apple_read_at":"2026-10-21T13:19:13.671Z","catalog_read_at":"2026-10-19T20:05:11.592Z","reviews_checked_at":"2026-10-19T20:05:11.592Z","summary_written_at":"2026-10-12T09:31:53.415Z","placed_at":"2026-10-09T03:59:53.925Z","scored_at":"2026-10-23T09:08:13.566Z"},"editorial":{"one_liner":"Chromatic tuner for guitar, bass and ukulele using the device microphone, plus a chord library and jam tracks.","what_is":"The app is a free chromatic instrument tuner for guitar, bass and ukulele that uses the built-in microphone of an iPhone, iPad or iPod. It includes a guide for tuning each open guitar string, a chord library with more than 1500 chords, and instrumental jam tracks in styles such as blues, rock and jazz. Additional tunings and a premium subscription are offered as paid options.","good_for":["Beginners tuning a guitar, bass or ukulele","Looking up chord shapes in a visual chord library","Practicing along with instrumental jam tracks"],"pricing":"Guitar Tuner Easy tune chords is free to download, with in-app purchases on the App Store.","faq":[{"q":"Do I need extra hardware to tune?","a":"The app uses the built-in microphone of your iPhone, iPad or iPod. No other equipment is mentioned."},{"q":"Which instruments does it support?","a":"It can tune acoustic or electric guitar, bass and ukulele, and it shows on-screen instructions for each open string."},{"q":"What does the premium subscription add?","a":"Premium is $7.99 weekly or $49.99 yearly and includes 80 open tunings. Auto-renewal can be turned off in iTunes Store Settings at least 24 hours before the period ends."}],"model":"claude-haiku-5-5","created_at":"2026-10-12T09:31:53.415Z"},"memberships":[{"list":"guitar-tuning","list_name":"guitar tuning","list_status":"active","list_url":"https://apptierlist.com/best/guitar-tuning/","position":3,"tier":"S","score":93.9,"components":{"rating":90.9,"votes":88.6,"rank":96.2,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-09T03:59:53.925Z"},{"list":"ukulele-tuning","list_name":"ukulele tuning","list_status":"draft","list_url":null,"position":null,"tier":null,"score":84.5,"components":{"rating":90.9,"votes":88.6,"rank":58.6,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"under_review","confidence":"normal","judged_at":"2026-10-09T03:59:53.925Z"},{"list":"instrument-tuning","list_name":"instrument tuning","list_status":"active","list_url":"https://apptierlist.com/best/instrument-tuning/","position":5,"tier":"S","score":93,"components":{"rating":90.9,"votes":88.6,"rank":92.4,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-09T03:59:53.925Z"}],"main_list":"guitar-tuning","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"maker":null,"history":[{"id":197288,"at":"2026-10-23T09:08:13.566Z","kind":"tier_changed","list":"ukulele-tuning","app_store_id":838981369,"app":"guitar-tuner-easy-tune-chords-838981369","from":null,"to":"A","reason":"score 69.9 to 84.5","job":"rescore"},{"id":146896,"at":"2026-10-17T12:14:13.437Z","kind":"tier_changed","list":"guitar-tuning","app_store_id":838981369,"app":"guitar-tuner-easy-tune-chords-838981369","from":null,"to":"S","reason":"score 69.9 to 94.1","job":"rescore"},{"id":86408,"at":"2026-10-14T18:12:33.758Z","kind":"tier_changed","list":"instrument-tuning","app_store_id":838981369,"app":"guitar-tuner-easy-tune-chords-838981369","from":"C","to":"S","reason":"score 92.5","job":"rescore"},{"id":72650,"at":"2026-10-13T23:47:43.380Z","kind":"tier_changed","list":"instrument-tuning","app_store_id":838981369,"app":"guitar-tuner-easy-tune-chords-838981369","from":"D","to":"C","reason":"score 92.5","job":"rescore"},{"id":66809,"at":"2026-10-12T23:36:00.129Z","kind":"tier_changed","list":"instrument-tuning","app_store_id":838981369,"app":"guitar-tuner-easy-tune-chords-838981369","from":"F","to":"D","reason":"score 92.8","job":"rescore"},{"id":52405,"at":"2026-10-10T14:06:28.534Z","kind":"tier_changed","list":"guitar-tuning","app_store_id":838981369,"app":"guitar-tuner-easy-tune-chords-838981369","from":"D","to":null,"reason":"score 69.5","job":"rescore"},{"id":44448,"at":"2026-10-09T14:41:35.551Z","kind":"tier_changed","list":"instrument-tuning","app_store_id":838981369,"app":"guitar-tuner-easy-tune-chords-838981369","from":null,"to":"F","reason":"score 69.5","job":"rescore"},{"id":43900,"at":"2026-10-09T13:55:48.280Z","kind":"tier_changed","list":"guitar-tuning","app_store_id":838981369,"app":"guitar-tuner-easy-tune-chords-838981369","from":null,"to":"D","reason":"score 69.5","job":"rescore"},{"id":32806,"at":"2026-10-09T03:59:53.925Z","kind":"membership_added","list":"guitar-tuning","app_store_id":838981369,"app":"guitar-tuner-easy-tune-chords-838981369","from":null,"to":"active","reason":"Its main purpose is tuning acoustic or electric guitar, and the listing walks through tuning each string.","job":"fill"},{"id":32805,"at":"2026-10-09T03:59:53.925Z","kind":"membership_added","list":"instrument-tuning","app_store_id":838981369,"app":"guitar-tuner-easy-tune-chords-838981369","from":null,"to":"active","reason":"It is described as a free chromatic instrument tuner that uses the iPhone mic for pitch detection.","job":"fill"},{"id":32804,"at":"2026-10-09T03:59:53.925Z","kind":"membership_added","list":"ukulele-tuning","app_store_id":838981369,"app":"guitar-tuner-easy-tune-chords-838981369","from":null,"to":"active","reason":"The listing says it tunes ukulele and markets a 'Guitar, bass and Ukulele Tuner'.","job":"fill"},{"id":24619,"at":"2026-10-09T03:10:04.928Z","kind":"app_added","list":null,"app_store_id":838981369,"app":"guitar-tuner-easy-tune-chords-838981369","from":null,"to":null,"reason":"discovered","job":"fill"}],"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); 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