{"app_store_id":409786458,"slug":"n-track-tuner-409786458","name":"n-Track Tuner","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/9f/2d/31/9f2d3115-f93b-1152-b70d-d717991cf135/AppIcon_Tuner-0-0-1x_U007epad-0-1-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/n-track-tuner/id409786458?uo=4","price":0,"currency":"USD","rating":4.72401,"rating_count":3203,"in_app_purchases":null,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Music","version_date":"2026-05-31T20:24:46Z","updated_at":"2026-10-21T13:49:14.183Z","stale":false,"missing_since":null,"one_liner":"Free tuner app for guitars, bass, violins, pianos and wind instruments that uses the iPhone or iPad microphone.","verified_maker":false,"maker_site":null,"file_size_bytes":81160192,"minimum_os":"11.0","content_rating":"4+","language_count":2,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/0c/24/ef/0c24efd2-2ae6-d037-1ce0-bb0aa36e90bf/1a0a0764-8de6-4da5-a07b-504b40326c1f_Tuner_55_001.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e9/1d/8e/e91d8e9a-1765-0dca-ba3c-ab9107685449/37380cf3-b42b-46a3-a3a2-1358dad5e0bc_Tuner_55_002.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/fa/94/01/fa9401b6-58c7-e7df-3238-9600fb13a609/65841232-c42d-4d6e-85fb-d711258bb12e_Tuner_55_003.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/f1/d7/bf/f1d7bfed-2cfd-5689-8a21-0b3bc34a9d70/76edcbb5-e868-46a3-884d-39b3838b13c6_Tuner_55_004.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/8c/b2/ee/8cb2eec5-9eea-c84f-9564-98b5a419c866/9634642c-9909-4f67-b47a-bb2a13b5d2a4_Tuner_55_005.png/392x696bb.png"],"developer_name":"n-Track S.r.l.","editors_choice":null,"url":"https://apptierlist.com/apps/n-track-tuner-409786458/","api_url":"https://apptierlist.com/api/v1/apps/n-track-tuner-409786458","schema_version":"1.0","generated_at":"2026-10-22T00:45:31.863Z","data_as_of":"2026-10-21T18:48:13.528Z","description":"Tune your guitar, bass or other instruments with n-Track Tuner. \n\nUse this tuner in an easy, intuitive and free way with the integrated microphone of your smartphone.\nDownloaded over 5 million times!\n\nJust put your iPhone, iPod Touch or iPad next to your instrument and play each string.\nHigh precision and sensitivity thanks to the advanced audio recognition algorithm also used for n-Track Studio 8.\nn-Track Tuner works great as a guitar tuner, violin, viola, violoncello, bass, piano and wind instruments tuner.\n\nNEW: 6 different views: \n\n•||| Spectrum Analyzer |||•\nThe spectrum analyzer provides a visual feedback of the notes played by the instrument and shows a small arrow to highlight the harmonic whose pitch the tuner is tracking. \n\n•||| Instruments |||•\nUse the manual mode to select and tune each string according to the selected instrument tuning (guitar, bass, violin, viola, cello, double bass, banjo, ukulele, mandolin, harp, and piano) \nGet the pro version to unlock all instruments views.\n\n•||| Tune Fork |||•\nFor those who prefer to manually tune their instrument the 'Diapason' view lets you play a reference tone, 'A' (440 hz) or any other note that you can select dragging the frequency slider.\n\n•||| Needle |||•\nA handy old style tuner to accurately detect the frequencies of your instrument.\n\n•||| Sonogram |||• (PRO feature)\nThe \"Sonogram\" tab shows how the frequency spectrum evolves with time, and shows how the note that the tuner is following evolves by tracing a green line.\n\n•||| 3D view |||• (PRO feature)\n3D view lets you follow how the audio spectrum changes over time. \n\n\nADVANCED FEATURES \n\n• adjust tuning sensitivity and precision up to 0.1 cents\n• western and latin note namings, alternate temperaments\n• calibrate the tuner for non-standard tunings: tune the reference note, tap on the display and select 'Calibrate' to set the note as the new reference\n• adjust the spectrum analyzer visualization options, select thicker spectrum lines,  smooth out or highlights peaks, increase or decrease spectrum accuracy, zoom into a specific area of the spectrum\n\nContact us: http://ntrack.com/support","facts":{"developer_id":402685768,"developer_url":"http://ntrack.com/ios.php","first_released":"2010-12-22T05:37:00Z","support_url":null,"privacy_url":null,"website_url":null,"app_version":"10.5.121","release_notes":"• various bug fixes and enhancements\n\nLike n-Track Tuner? Please leave a review & help us keep improving the app for you.\nIf you have comments or bug reports please let us know at support@ntrack.com.\nThanks for using n-Track Tuner!","rating_current_version":4.72401,"rating_count_current_version":3203,"star_counts":null,"genres":["Music","Education"],"languages":["EN","IT"],"content_advisories":null,"device_families":null,"chart":null},"freshness":{"apple_read_at":"2026-10-21T13:49:14.183Z","catalog_read_at":null,"reviews_checked_at":null,"summary_written_at":"2026-10-19T02:58:11.693Z","placed_at":"2026-10-19T02:15:11.916Z","scored_at":"2026-10-21T18:48:13.528Z"},"editorial":{"one_liner":"Free tuner app for guitars, bass, violins, pianos and wind instruments that uses the iPhone or iPad microphone.","what_is":"N-Track Tuner is a music app that listens through the device's built-in microphone to tune instruments such as guitar, bass, violin, viola, cello and piano. It offers six views, including a spectrum analyzer, a needle display and a reference tone generator set to A (440 Hz) or another selectable note. Advanced options include sensitivity and precision adjustment down to 0.1 cents and custom calibration for non-standard tunings.","good_for":["Tuning a guitar or bass by playing each string near the device","Setting a violin, viola or cello using a reference tone","Calibrating the tuner for a non-standard tuning"],"pricing":"n-Track Tuner is free to download on the App Store.","faq":[{"q":"Which instruments does it support?","a":"It works as a guitar, violin, viola, violoncello, bass, piano and wind instruments tuner. The manual Instruments view lists guitar, bass, violin, viola, cello, double bass, banjo, ukulele, mandolin, harp and piano. The."},{"q":"Is it free, and are there paid features?","a":"The app is free to download. The listing says the Sonogram and 3D view are PRO features and that a pro version unlocks all instrument views. The listing does not state the price of the pro version, and In-app purchases: Not stated on the."},{"q":"How do I use it with my instrument?","a":"Place the iPhone, iPod Touch or iPad next to the instrument and play each string. It uses an advanced audio recognition algorithm also used for n-Track Studio 8."}],"model":"claude-haiku-5-5","created_at":"2026-10-19T02:58:11.693Z"},"memberships":[{"list":"instrument-tuning","list_name":"instrument tuning","list_status":"active","list_url":"https://apptierlist.com/best/instrument-tuning/","position":14,"tier":"B","score":85.7,"components":{"rating":93.6,"votes":77.6,"rank":85.2,"recency":86.5},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-19T02:15:11.916Z"}],"main_list":"instrument-tuning","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":165971,"at":"2026-10-19T02:16:11.593Z","kind":"tier_changed","list":"instrument-tuning","app_store_id":409786458,"app":"n-track-tuner-409786458","from":null,"to":"B","reason":"score 86","job":"rescore"},{"id":165925,"at":"2026-10-19T02:15:11.916Z","kind":"membership_added","list":"instrument-tuning","app_store_id":409786458,"app":"n-track-tuner-409786458","from":null,"to":"active","reason":"The app tunes guitar, bass, violin, viola, cello, piano and wind instruments with microphone pitch detection.","job":"shadow"},{"id":159333,"at":"2026-10-18T07:27:11.699Z","kind":"app_added","list":null,"app_store_id":409786458,"app":"n-track-tuner-409786458","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 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":"instrument-tuning","list_name":"instrument tuning","status":"active","review_status":"checked","position":14,"tier":"B","score":85.7,"components":{"rating":93.6,"votes":77.6,"rank":85.2,"recency":86.5},"ranks":[{"country":"us","rank":18},{"country":"gb","rank":20},{"country":"ca","rank":17},{"country":"au","rank":17},{"country":"de","rank":7}],"verdicts":[{"verdict":"keep","reason":"The app tunes guitar, bass, violin, viola, cello, piano and wind instruments with microphone pitch detection.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-19T02:15:11.916Z","attempts":1,"current":true},{"verdict":"keep","reason":"Its main purpose is a chromatic tuner that detects pitch through the microphone. It covers guitar, bass, violin, cello, ukulele, piano and wind instruments, so it is not limited to guitar.","verifier":"list check","decided_at":"2026-10-19T02:15:11.916Z","attempts":1,"current":true}]}]},"data_version":40422,"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/n-track-tuner-409786458/"}}