{"app_store_id":1327053127,"slug":"interval-timer-1327053127","name":"Interval Timer ++","subtitle":"HIIT & circuit workout timer","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/b8/a0/ca/b8a0ca85-cad9-f85f-0778-81fd24dbc715/AppIcon-0-0-1x_U007emarketing-0-0-0-9-0-0-sRGB-0-0-0-GLES2_U002c0-512MB-85-220-0-0.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/interval-timer/id1327053127?uo=4","price":0,"currency":"USD","rating":4.81633,"rating_count":14804,"in_app_purchases":true,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Health & Fitness","version_date":"2021-12-16T15:15:52Z","updated_at":"2026-10-19T17:59:11.532Z","stale":false,"missing_since":null,"one_liner":"Free interval timer for workouts with work, rest and repeat intervals, multiple saved timers, and iPhone and Apple.","verified_maker":false,"maker_site":null,"file_size_bytes":90721280,"minimum_os":"12.0","content_rating":"4+","language_count":3,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/85/96/8b/85968b5b-4077-8074-9489-127486a74686/mzl.ploeofuz.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/87/f8/56/87f856d6-def5-411e-575a-5edb743b0a8b/15462fe6-54ae-4b21-9ebe-9eb92cfbea84__U00231_iPhone_5.5_U0027_U0027.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/87/22/5f/87225f53-d057-02cf-4bf9-8b7b96b82134/3a62ac51-48a6-4bd6-9560-abd5cd7b6d7e__U77ed_U76841.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/d8/a8/2c/d8a82c25-ccb8-10bc-8dc7-ba00b8e1798c/62317d7b-41c9-4c33-8ad2-810ecfeeca03__U77ed_U7684.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/79/72/79/797279a4-83e5-09b0-244b-84675d620e13/mzl.mzlcqvog.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/11/a5/c7/11a5c7a1-fe63-2a1a-8651-5fd91371b15b/mzl.sztgopgn.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/a2/67/f7/a267f775-1b71-bbd3-0ccf-2ef0c4f33991/mzl.cxtqiufl.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/a7/70/84/a7708461-d820-d859-ebe7-b9a58afda472/mzl.yblopgux.png/392x696bb.png"],"developer_name":"Rong Liu","editors_choice":false,"url":"https://apptierlist.com/apps/interval-timer-1327053127/","api_url":"https://apptierlist.com/api/v1/apps/interval-timer-1327053127","schema_version":"1.0","generated_at":"2026-10-21T00:22:13.554Z","data_as_of":"2026-10-20T17:43:13.657Z","description":"Award-winning app for your daily workouts! Simple set up, intense workout:\n*** One touch to set up Workout, Rest, and Repeat.\n*** Supports both iPhone and Apple Watch\n*** Colorful design, to give you some eye candy while working hard\n*** Multiple timers for easy access and training\n*** Premium timers where different fitness types are mixed\n*** Background notification, so you can keep working out while browsing other apps, or even when screen is locked\n*** Listen to your favorite music while working out\n*** See your workout history in calendar view\n\nHealth App Integration\nWe integrate with the health app (HealthKit) to read and track your steps data and show them in a beautiful way.\n\nFeature details:\n- Workout duration: 2 seconds to 8 minutes\n- Rest duration: 0 seconds to 8 minutes\n- Repeat: 20 times (50 times if purchased Premium Subscription)\n- Premium timers: mix fitness types, including Planks, Jumping Jack, Push Ups, Sit Ups, High Knees, Side Planks, Butt Kicks, Side Lunges, Lunges, etc.\n- Multiple timers for quick access\n- Name your timers\n- Swipe-to-delete timers\n- Drag-n-drop to reorder custom timers\n- 10 seconds count down, so you can get into workout position\n- Count down sound before next workout starts, for you to recover position\n- Pause and resume workout at any time\n- Reset at any time if workout was interrupted\n- Calendar view: shows your work/rest/repeat sessions\n- Listen to your favorite music in background, while working out the Interval Timer in foreground\n- Background music will be tuned down when playing workout sounds\n- Vibration / Haptic feedbacks between workout and rest\n- Ability to mute all workout sound\n\nUsers say good works after usage:\n\"I love the simplicity and ease of use of this app. It is almost exactly what I am looking for.\"\n\"No frills or gimmicks, this app gives it to you straight, which is how interval timers should work IMO.\"\n\"An eye-candy for your tough workouts.\"\n\"Mind-blowing on how easy it is to use.\"\n\"Simple. Does EXACTLY what you need.\"\n\nAlso checkout our awesome demo video on Youtube:\nhttps://www.youtube.com/watch?v=gO_z8mN1asU\n\nInterval Timer Pro (In App Purchase):\n- Create unlimited number of timers for easy access\n- Use our premium timers\n- Repeat workout for more than 20 times\n\n• You can subscribe for Interval Timer Pro inside the app; subscriptions are billed monthly or annually at the rate selected depending on the subscription plan.\n• Alternatively a one-time payment plan is available (this is not a subscription).\n• Payment will be charged to your iTunes account at confirmation of purchase.\n• Subscriptions will automatically renew unless auto-renew is cancelled at least 24 hours before the end of current period.\n• Your account will be charged according to your plan for renewal within 24 hours prior to the end of the current period. \n• You can manage or turn off auto-renew in your Apple ID account settings at any time after purchase.\n• To manage your subscriptions or turn off auto-renewal:\n  - Go to Settings > iTunes & App Store\n  - Tap your Apple ID at the top of the screen\n  - Tap View Apple ID. You might need to sign in or use Touch ID.\n  - Tap Subscriptions.\n  - Tap the subscription you want to manage.\n  - Use the options to manage your subscription.\n• No cancellation of the current subscription is allowed during the active subscription period. Once purchased, refunds will not be provided for any unused portion of the term.\nWe take the security of our customers very seriously.\nRead our Terms of Service at\nhttps://sunnystudio.wordpress.com/2018/08/03/interval-timer-terms-of-us/\nand our Privacy Policy at\nhttps://sunnystudio.wordpress.com/2018/07/31/interval-timer-privacy-policy/\n\nAttributions:\nLock by Maxim Kulikov from the Noun Project\nPremium by Gregor Cresnar from the Noun Project","facts":{"developer_id":430274590,"developer_url":null,"first_released":"2017-12-20T22:36:53Z","support_url":"https://sunnystudio.wordpress.com/2017/12/19/interval-timer/","privacy_url":"https://sunnystudio.wordpress.com/2018/07/31/interval-timer-privacy-policy/","website_url":null,"app_version":"4.3.3","release_notes":"Simple & Powerful workout timer for HIIT and Tabata.\n- Automatically sync the workouts data from Watch app with the Interval Timer app","rating_current_version":4.81633,"rating_count_current_version":14804,"star_counts":[261,104,251,861,13325],"genres":["Health & Fitness","Lifestyle"],"languages":["EN","DE","ZH"],"content_advisories":null,"device_families":["watch","iphone","ipad","ipod"],"chart":null},"freshness":{"apple_read_at":"2026-10-19T17:59:11.532Z","catalog_read_at":"2026-10-15T17:45:00.947Z","reviews_checked_at":null,"summary_written_at":"2026-10-18T21:25:11.793Z","placed_at":"2026-10-15T02:18:53.110Z","scored_at":"2026-10-20T17:43:13.657Z"},"editorial":{"one_liner":"Free interval timer for workouts with work, rest and repeat intervals, multiple saved timers, and iPhone and Apple.","what_is":"Interval Timer ++ is a Health & Fitness app for setting up HIIT and circuit workouts with work, rest and repeat intervals. It supports iPhone and Apple Watch, offers multiple named timers, a calendar view of past sessions, and an optional HealthKit step-data display. Some features, such as unlimited timers, premium timers and more than 20 repeats, are listed as in-app purchases.","good_for":["Setting up a HIIT session with work, rest and repeat intervals","Running circuit workouts with saved, named timers","Tracking past workout sessions in a calendar view"],"pricing":"Interval Timer ++ is free to download, with in-app purchases on the App Store.","faq":[{"q":"Is the app free?","a":"It is free to download and lists in-app purchases. Interval Timer Pro is offered as a monthly or annual subscription or as a one-time payment."},{"q":"What does Interval Timer Pro add?","a":"Pro allows unlimited timers, use of the premium timers that mix fitness types, and more than 20 repeats of a workout."},{"q":"Does it work with Apple Watch and HealthKit?","a":"It supports both iPhone and Apple Watch and integrates with HealthKit to read and track steps data. Not stated on the App Store for other platforms."}],"model":"claude-haiku-5-5","created_at":"2026-10-18T21:25:11.793Z"},"memberships":[{"list":"hiit-timer","list_name":"hiit timer","list_status":"active","list_url":"https://apptierlist.com/best/hiit-timer/","position":16,"tier":"C","score":67.8,"components":{"rating":95.9,"votes":83.7,"rank":91.6,"recency":0},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-15T02:18:53.110Z"},{"list":"interval-timer","list_name":"interval timer","list_status":"active","list_url":"https://apptierlist.com/best/interval-timer/","position":19,"tier":"C","score":67.9,"components":{"rating":95.9,"votes":83.7,"rank":92.2,"recency":0},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-15T02:18:53.110Z"},{"list":"workout-timer","list_name":"workout timer","list_status":"draft","list_url":null,"position":null,"tier":null,"score":44.9,"components":{"rating":95.9,"votes":83.7,"rank":0,"recency":0},"status":"active","review_status":"checked","list_ranking_status":"under_review","confidence":"provisional","judged_at":"2026-10-15T02:18:53.110Z"}],"main_list":"hiit-timer","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":147056,"at":"2026-10-17T13:15:14.012Z","kind":"tier_changed","list":"hiit-timer","app_store_id":1327053127,"app":"interval-timer-1327053127","from":null,"to":"C","reason":"score 44.9 to 67.8","job":"rescore"},{"id":94244,"at":"2026-10-15T06:12:53.109Z","kind":"tier_changed","list":"interval-timer","app_store_id":1327053127,"app":"interval-timer-1327053127","from":"F","to":"C","reason":"score 44.5 to 63.7","job":"rescore"},{"id":91385,"at":"2026-10-15T02:19:53.113Z","kind":"tier_changed","list":"interval-timer","app_store_id":1327053127,"app":"interval-timer-1327053127","from":null,"to":"F","reason":"score 44.5","job":"rescore"},{"id":91147,"at":"2026-10-15T02:18:53.110Z","kind":"membership_added","list":"workout-timer","app_store_id":1327053127,"app":"interval-timer-1327053127","from":null,"to":"active","reason":"It is marketed as a HIIT and circuit workout timer with work, rest and repeat rounds, a countdown, pause and resume, and a workout history calendar.","job":"shadow"},{"id":91146,"at":"2026-10-15T02:18:53.110Z","kind":"membership_added","list":"interval-timer","app_store_id":1327053127,"app":"interval-timer-1327053127","from":null,"to":"active","reason":"The core job is setting workout, rest and repeat intervals with a one-touch setup, multiple saved timers and notifications that run in the background.","job":"shadow"},{"id":91145,"at":"2026-10-15T02:18:53.110Z","kind":"membership_added","list":"hiit-timer","app_store_id":1327053127,"app":"interval-timer-1327053127","from":null,"to":"active","reason":"The subtitle calls it a HIIT and circuit workout timer, and it provides timed work and rest periods for intense workouts.","job":"shadow"},{"id":83967,"at":"2026-10-14T16:14:19.781Z","kind":"app_added","list":null,"app_store_id":1327053127,"app":"interval-timer-1327053127","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":"hiit-timer","list_name":"hiit timer","status":"active","review_status":"checked","position":16,"tier":"C","score":67.8,"components":{"rating":95.9,"votes":83.7,"rank":91.6,"recency":0},"ranks":[{"country":"us","rank":7},{"country":"gb","rank":8},{"country":"ca","rank":8},{"country":"de","rank":3},{"country":"au","rank":21}],"verdicts":[{"verdict":"keep","reason":"The subtitle calls it a HIIT and circuit workout timer, and it provides timed work and rest periods for intense workouts.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-15T02:18:53.110Z","attempts":1,"current":true},{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-15T02:18:53.110Z","attempts":1,"current":true}]},{"list":"interval-timer","list_name":"interval timer","status":"active","review_status":"checked","position":19,"tier":"C","score":67.9,"components":{"rating":95.9,"votes":83.7,"rank":92.2,"recency":0},"ranks":[{"country":"us","rank":4},{"country":"gb","rank":8},{"country":"ca","rank":6},{"country":"de","rank":6},{"country":"au","rank":20}],"verdicts":[{"verdict":"keep","reason":"The core job is setting workout, rest and repeat intervals with a one-touch setup, multiple saved timers and notifications that run in the background.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-15T02:18:53.110Z","attempts":1,"current":true},{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-15T02:18:53.110Z","attempts":1,"current":true}]},{"list":"workout-timer","list_name":"workout timer","status":"active","review_status":"checked","position":null,"tier":null,"score":44.9,"components":{"rating":95.9,"votes":83.7,"rank":0,"recency":0},"ranks":[],"verdicts":[{"verdict":"keep","reason":"It is marketed as a HIIT and circuit workout timer with work, rest and repeat rounds, a countdown, pause and resume, and a workout history calendar.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-15T02:18:53.110Z","attempts":1,"current":true},{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-15T02:18:53.110Z","attempts":1,"current":true}]}]},"data_version":39369,"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/interval-timer-1327053127/"}}