{"app_store_id":1126899503,"slug":"nucalm-sleep-recover-perform-1126899503","name":"NuCalm:Sleep, Recover, Perform","subtitle":"Manage Anxiety & Improve Focus","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/36/ce/45/36ce45a7-e9ed-a22f-51b9-a76fe2e1cb77/prodAppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/nucalm-sleep-recover-perform/id1126899503?uo=4","price":0,"currency":"USD","rating":4.00277,"rating_count":360,"in_app_purchases":false,"recent_rating":3.65,"recent_review_count":17,"reviews_checked_at":"2026-10-14T21:05:34.171Z","primary_genre":"Health & Fitness","version_date":"2026-04-15T13:51:03Z","updated_at":"2026-10-18T09:03:11.812Z","stale":false,"missing_since":null,"one_liner":"A health app with six guided experiences for sleep, stress, focus, and energy, described as drug-free and based on…","verified_maker":false,"maker_site":null,"file_size_bytes":123935744,"minimum_os":"15.0","content_rating":"9+","language_count":1,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/89/66/b1/8966b149-0dde-a93a-1fe5-1a9ff65b62aa/a9b56cda-2773-4cdf-8648-e7925bf5016b_IMG_3812_resize.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/83/8a/84/838a84fd-1b5d-02d7-ac22-f6961498c4f5/4ee08214-ca9f-471c-9251-29d8ea480fb5_IMG_3813_resize.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/22/7b/20/227b2076-fcc0-1bc2-d63b-c5c52213a614/191d4ac3-6dd0-481e-923c-9f40465479ed_IMG_3814_resize.png/392x696bb.png"],"developer_name":"Solace Lifesciences, Inc","editors_choice":false,"url":"https://apptierlist.com/apps/nucalm-sleep-recover-perform-1126899503/","api_url":"https://apptierlist.com/api/v1/apps/nucalm-sleep-recover-perform-1126899503","schema_version":"1.0","generated_at":"2026-10-23T11:35:45.386Z","data_as_of":"2026-10-23T11:29:19.810Z","description":"Powered by neuroscience and made for real life. A drug-free solution for sleep, stress, focus, and energy.\n\nYou do everything right, but your mind never stops. You give your best at work, show up for everyone you love, and still lie awake with thoughts that won’t quiet down. The world expects you to keep going, but NuCalm helps you finally slow down.\n\nBuilt on 35 years of neuroscience, NuCalm is the world’s only patented and clinically proven sleep and stress relief app that helps you relax, sleep better, focus deeply, and recharge naturally, all without drugs or supplements.\n\nTrusted by doctors, pilots, athletes, the U.S. military, and the FBI, NuCalm has helped millions experience immediate stress relief, deeper sleep, sustainable energy, and sharper focus by restoring balance to their nervous system.\n\nFeeling good, made easy. At home, at work, and everywhere in between, NuCalm meets you where stress shows up. By gently guiding your brain and body into balance, NuCalm helps you calm anxiety naturally, recover from exhaustion, and feel fully rested.\n\nProven by science. Trusted by professionals.\nWith over 2 billion minutes of NuCalm played worldwide, NuCalm’s neuroscience-backed relaxation technology has been relied on by healthcare professionals, high performers, and women everywhere seeking real calm, better sleep, and lasting focus.\n\nWith six specialized experiences in one easy-to-use mobile app, you can choose what your body needs throughout your day:\n\n DeepSleep – fall asleep faster, sleep deeper, and wake up refreshed\n Rescue – lower stress and calm anxiety in minutes\n PowerNap – reset and recharge your energy mid-day\n FlowState – tap into your creative genius effortlessly\n Focus – sharpen concentration and boost productivity\n Ignite – elevate your energy naturally to get into a peak state without caffeine\n\nWhether you’re managing a household, building a business, or balancing both, NuCalm helps you show up with more clarity, patience, and confidence. It’s your daily nervous system reset, a self-care ritual that fits into real life.\n\nClinically proven benefits include:\n• Reduce stress within minutes\n• Improve sleep quality and recovery\n• Lower inflammation and increase resilience\n• Improve metabolic health\n• Boost focus and creativity\n• Restore balance to the mind and body\n\nStart your free trial today and feel the difference after your first session.\n\nYour nervous system deserves more than survival mode. Find calm, focus, and real restoration with NuCalm, the world’s best wellness app powered by neuroscience.","facts":{"developer_id":1126899502,"developer_url":"https://www.nucalm.com","first_released":"2017-03-05T16:40:04Z","support_url":"https://support.nucalm.com/","privacy_url":"https://www.nucalm.com/privacy-policy/","website_url":"https://www.nucalm.com/","app_version":"3.2.6","release_notes":"We’ve been working on the engine to make things run smoother. This update includes:\n\n• Performance improvements for faster loading.\n• Stability fixes to prevent crashes.\n• Minor housekeeping to keep the app polished.\n\nThanks for updating!","rating_current_version":4.00277,"rating_count_current_version":360,"star_counts":[68,16,11,17,248],"genres":["Health & Fitness","Productivity"],"languages":["EN"],"content_advisories":["Infrequent/Mild Profanity or Crude Humor"],"device_families":["iphone","ipad","ipod"],"made_for_iphone_duo":null,"chart":null},"freshness":{"apple_read_at":"2026-10-18T09:03:11.812Z","catalog_read_at":"2026-10-17T00:11:13.387Z","reviews_checked_at":"2026-10-14T21:05:34.171Z","summary_written_at":"2026-10-12T06:16:53.608Z","placed_at":"2026-10-12T00:34:53.896Z","scored_at":"2026-10-23T11:29:19.810Z"},"editorial":{"one_liner":"A health app with six guided experiences for sleep, stress, focus, and energy, described as drug-free and based on…","what_is":"NuCalm is a Health & Fitness app that offers six experiences: DeepSleep, Rescue, PowerNap, FlowState, Focus, and Ignite. They are designed to help with sleep, stress, focus, and energy throughout the day. The description presents the approach as drug-free and based on neuroscience, and the listing's health claims are its own and not independently verified here.","good_for":["Winding down when thoughts keep you awake at night","A mid-day reset when energy drops","Lowering stress during a busy workday"],"pricing":"NuCalm:Sleep, Recover, Perform is free, with no in-app purchases on the App Store.","faq":[{"q":"Does NuCalm use drugs or supplements?","a":"The listing describes NuCalm as a drug-free solution that works without drugs or supplements."},{"q":"Is the app free?","a":"The App Store lists the price as free. The description also mentions a free trial and invites users to start one, but it gives no further pricing details."},{"q":"What do the six experiences cover?","a":"DeepSleep is for falling asleep and sleep depth, Rescue for stress and anxiety, PowerNap for mid-day energy, FlowState for creativity, Focus for concentration, and Ignite for energy without caffeine."}],"model":"claude-haiku-5-5","created_at":"2026-10-12T06:16:53.608Z"},"memberships":[{"list":"nervous-system-regulation","list_name":"nervous system regulation","list_status":"draft","list_url":null,"position":null,"tier":null,"score":52.1,"components":{"rating":63.4,"votes":66.5,"rank":0,"recency":78.7},"status":"active","review_status":"checked","list_ranking_status":"under_review","confidence":"provisional","judged_at":"2026-10-12T00:34:53.896Z"},{"list":"stress-relief","list_name":"stress relief","list_status":"active","list_url":"https://apptierlist.com/best/stress-relief/","position":49,"tier":null,"score":52.1,"components":{"rating":63.4,"votes":66.5,"rank":0,"recency":78.7},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-12T00:34:53.896Z"},{"list":"sleep-improvement","list_name":"sleep improvement","list_status":"active","list_url":"https://apptierlist.com/best/sleep-improvement/","position":56,"tier":null,"score":75.2,"components":{"rating":63.4,"votes":66.5,"rank":92.4,"recency":78.8},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-12T00:34:53.896Z"},{"list":"relaxation","list_name":"relaxation","list_status":"active","list_url":"https://apptierlist.com/best/relaxation/","position":95,"tier":null,"score":52.1,"components":{"rating":63.4,"votes":66.5,"rank":0,"recency":78.6},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-12T00:34:53.896Z"}],"main_list":"stress-relief","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"maker":null,"history":[{"id":185651,"at":"2026-10-20T12:51:11.595Z","kind":"tier_changed","list":"nervous-system-regulation","app_store_id":1126899503,"app":"nucalm-sleep-recover-perform-1126899503","from":null,"to":"D","reason":"rank shift: #9, score unchanged at 52.2","job":"rescore"},{"id":165821,"at":"2026-10-19T02:00:12.044Z","kind":"tier_changed","list":"stress-relief","app_store_id":1126899503,"app":"nucalm-sleep-recover-perform-1126899503","from":"F","to":null,"reason":"rank shift: #41, below the tiered top 40","job":"rescore"},{"id":156588,"at":"2026-10-18T06:08:11.905Z","kind":"tier_changed","list":"stress-relief","app_store_id":1126899503,"app":"nucalm-sleep-recover-perform-1126899503","from":"D","to":"F","reason":"rank shift: #38, score unchanged at 52.3, tier full (a quarter of the list)","job":"rescore"},{"id":116254,"at":"2026-10-16T02:24:51.811Z","kind":"tier_changed","list":"sleep-improvement","app_store_id":1126899503,"app":"nucalm-sleep-recover-perform-1126899503","from":"D","to":null,"reason":"rank shift: #41, below the tiered top 40","job":"rescore"},{"id":110672,"at":"2026-10-15T15:46:10.795Z","kind":"tier_changed","list":"sleep-improvement","app_store_id":1126899503,"app":"nucalm-sleep-recover-perform-1126899503","from":null,"to":"D","reason":"rank shift: #39, score unchanged at 75.1, tier full (a quarter of the list)","job":"rescore"},{"id":60252,"at":"2026-10-12T00:46:10.112Z","kind":"tier_changed","list":"stress-relief","app_store_id":1126899503,"app":"nucalm-sleep-recover-perform-1126899503","from":null,"to":"D","reason":"score 52.6","job":"rescore"},{"id":60040,"at":"2026-10-12T00:34:53.896Z","kind":"membership_added","list":"stress-relief","app_store_id":1126899503,"app":"nucalm-sleep-recover-perform-1126899503","from":null,"to":"active","reason":"Promoted as providing immediate stress relief and helping calm anxiety naturally.","job":"shadow"},{"id":60039,"at":"2026-10-12T00:34:53.896Z","kind":"membership_added","list":"sleep-improvement","app_store_id":1126899503,"app":"nucalm-sleep-recover-perform-1126899503","from":null,"to":"active","reason":"Core job: DeepSleep and 'sleep and stress relief app' that helps users fall asleep and sleep better.","job":"shadow"},{"id":60038,"at":"2026-10-12T00:34:53.896Z","kind":"membership_added","list":"relaxation","app_store_id":1126899503,"app":"nucalm-sleep-recover-perform-1126899503","from":null,"to":"active","reason":"placed by the category system","job":"shadow"},{"id":60037,"at":"2026-10-12T00:34:53.896Z","kind":"membership_added","list":"nervous-system-regulation","app_store_id":1126899503,"app":"nucalm-sleep-recover-perform-1126899503","from":null,"to":"active","reason":"Marketed as restoring balance to the nervous system through neuroscience-backed relaxation technology.","job":"shadow"},{"id":56657,"at":"2026-10-11T02:08:55.029Z","kind":"app_added","list":null,"app_store_id":1126899503,"app":"nucalm-sleep-recover-perform-1126899503","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":"nervous-system-regulation","list_name":"nervous system regulation","status":"active","review_status":"checked","position":null,"tier":null,"score":52.1,"components":{"rating":63.4,"votes":66.5,"rank":0,"recency":78.7},"ranks":[],"verdicts":[{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-14T14:25:19.866Z","attempts":1,"current":true},{"verdict":"keep","reason":"Marketed as restoring balance to the nervous system through neuroscience-backed relaxation technology.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-12T00:34:53.896Z","attempts":1,"current":false}]},{"list":"stress-relief","list_name":"stress relief","status":"active","review_status":"checked","position":49,"tier":null,"score":52.1,"components":{"rating":63.4,"votes":66.5,"rank":0,"recency":78.7},"ranks":[],"verdicts":[{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-14T14:25:19.866Z","attempts":1,"current":true},{"verdict":"keep","reason":"Promoted as providing immediate stress relief and helping calm anxiety naturally.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-12T00:34:53.896Z","attempts":1,"current":false}]},{"list":"sleep-improvement","list_name":"sleep improvement","status":"active","review_status":"checked","position":56,"tier":null,"score":75.2,"components":{"rating":63.4,"votes":66.5,"rank":92.4,"recency":78.8},"ranks":[{"country":"us","rank":11},{"country":"gb","rank":11},{"country":"ca","rank":4},{"country":"au","rank":7},{"country":"de","rank":10}],"verdicts":[{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-14T14:25:19.866Z","attempts":1,"current":true},{"verdict":"keep","reason":"Core job: DeepSleep and 'sleep and stress relief app' that helps users fall asleep and sleep better.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-12T00:34:53.896Z","attempts":1,"current":false}]},{"list":"relaxation","list_name":"relaxation","status":"active","review_status":"checked","position":95,"tier":null,"score":52.1,"components":{"rating":63.4,"votes":66.5,"rank":0,"recency":78.6},"ranks":[],"verdicts":[{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-14T14:25:19.866Z","attempts":1,"current":true}]}]},"data_version":41763,"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/nucalm-sleep-recover-perform-1126899503/"}}