{"app_store_id":390915382,"slug":"spark-shift-calendar-390915382","name":"Spark - Shift Calendar","subtitle":"Customize, Organize, Plan Life","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/55/cc/9e/55cc9ebe-967d-1c40-8d90-951ed07065d0/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/spark-shift-calendar/id390915382?uo=4","price":0,"currency":"USD","rating":4.76917,"rating_count":7512,"in_app_purchases":true,"recent_rating":5,"recent_review_count":20,"reviews_checked_at":"2026-10-22T05:38:12.634Z","primary_genre":"Productivity","version_date":"2026-10-09T20:43:52Z","updated_at":"2026-10-22T05:38:12.634Z","stale":false,"missing_since":null,"one_liner":"Shift calendar app for logging shifts, time off, and trades, with calendar sync across devices linked to your email.","verified_maker":false,"maker_site":null,"file_size_bytes":10484736,"minimum_os":"15.6","content_rating":"4+","language_count":1,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/be/aa/1d/beaa1d3c-b11c-9598-df07-e148d5b2570e/mzl.gsckqkkr.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/c3/2f/dd/c32fddc0-953b-84e6-8ab1-d010be1a587b/mzl.lzabtihc.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/0b/58/5a/0b585a6b-c5bb-3824-2bd9-3811fe172a7b/mzl.sinxmxuk.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/56/3c/d4/563cd4e4-cc18-5856-4078-621a199f7af7/mzl.xbgbukyv.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/ea/e9/65/eae96500-cb03-37f1-a477-ca51a9a05168/pr_source.jpg/392x696bb.jpg"],"developer_name":"E.L.K. Equities LLC","editors_choice":false,"url":"https://apptierlist.com/apps/spark-shift-calendar-390915382/","api_url":"https://apptierlist.com/api/v1/apps/spark-shift-calendar-390915382","schema_version":"1.0","generated_at":"2026-10-22T16:45:51.054Z","data_as_of":"2026-10-22T16:06:13.064Z","description":"Spark: Your Ultimate Shift Calendar App\n\nFor over 15 years, Spark has been the go-to app for simplifying shift work. Loaded with powerful, user-friendly features, Spark helps you balance work and personal life in one place—trusted daily by fire, police, EMS, healthcare professionals, and shift workers worldwide. With Spark’s unique \"Cloud Connect\" system, you can sync and share your schedule across all devices, keeping you and your loved ones in the loop anytime, anywhere.\n\nWhy Spark? Here’s why your colleagues love it:\n\nFull Customization\nSpark is designed for you. Track and log anything you need—vacation, sick time, comp time, overtime, trades, and more. Can’t find something? Add it with ease! Spark’s sleek, intuitive design lets you personalize everything to suit your work style.\n\nSecure & Reliable\nYour data is safe with us. Spark’s \"Cloud Connect\" syncs your encrypted calendar across devices, linked to your email. Lose or upgrade your phone? Just log back in, and it’s like you never left.\n\nComprehensive Shift Coverage\nFrom pre-loaded schedules to custom department setups, Spark supports thousands of shift calendars. Don’t see yours? Easily create it, and it’s saved for you and your team.\n\nStreamlined Shift Trades & Swaps\nManage and track all your trades and swaps down to the individual. Spark’s “Trade Board” lets you request and confirm trades within the app, automatically updating your calendar and stats—no extra steps.\n\nInstant Visual Cues\nColor-code shifts, events, and stats for at-a-glance planning. With Spark, you’ll know exactly what’s on the agenda without extra clicks.\n\nUnmatched Customer Support\nOur app thrives on user feedback. We’re committed to fast, helpful support, with most emails resolved in under two hours. Spark evolves with your input, making it the app you can rely on for years to come.\n\nTry Spark free for 30 days, and experience the app that’s helping shift workers around the world stay organized. Visit www.LeakyNozzle.com to learn more!","facts":{"developer_id":1775442602,"developer_url":"https://leakynozzle.com","first_released":"2010-09-13T19:32:27Z","support_url":"https://www.leakynozzle.com/contact/","privacy_url":"https://www.leakynozzle.com/privacy-policy/","website_url":"https://leakynozzle.com/","app_version":"4.3.3","release_notes":"Fixed issues and improved app performance.","rating_current_version":4.76917,"rating_count_current_version":7512,"star_counts":[103,42,216,764,6387],"genres":["Productivity","Lifestyle"],"languages":["EN"],"content_advisories":null,"device_families":["iphone","ipad","ipod"],"made_for_iphone_duo":null,"chart":null},"freshness":{"apple_read_at":"2026-10-22T05:38:12.634Z","catalog_read_at":"2026-10-22T05:38:12.634Z","reviews_checked_at":"2026-10-22T05:38:12.634Z","summary_written_at":"2026-10-19T20:51:11.538Z","placed_at":"2026-10-16T15:24:49.623Z","scored_at":"2026-10-22T16:06:13.064Z"},"editorial":{"one_liner":"Shift calendar app for logging shifts, time off, and trades, with calendar sync across devices linked to your email.","what_is":"Spark is a shift calendar app listed in the Productivity genre. Users can track and log items such as vacation, sick time, comp time, overtime, and trades, and color-code shifts, events, and stats. The description says an encrypted calendar syncs across devices through Cloud Connect and that a Trade Board lets users request and confirm trades in the app.","good_for":["Shift workers tracking vacation, sick time, and overtime","Coworkers who need to request and confirm shift trades","Keeping one work schedule synced across several devices"],"pricing":"Spark - Shift Calendar is free to download, with in-app purchases on the App Store.","faq":[{"q":"Is Spark free to use?","a":"The App Store lists Spark as free to download and lists in-app purchases. The description mentions trying Spark free for 30 days."},{"q":"Can I access my calendar on a new phone?","a":"The description says Cloud Connect syncs your encrypted calendar across devices linked to your email, so logging back in after a phone upgrade restores your calendar."},{"q":"Which types of workers is Spark designed for?","a":"The description names fire, police, EMS, healthcare professionals, and shift workers. It also mentions pre-loaded schedules and custom department setups for different shift calendars."}],"model":"claude-haiku-5-5","created_at":"2026-10-19T20:51:11.538Z"},"memberships":[{"list":"shift-scheduling","list_name":"shift scheduling","list_status":"active","list_url":"https://apptierlist.com/best/shift-scheduling/","position":24,"tier":"B","score":81.8,"components":{"rating":95.3,"votes":79.1,"rank":52.8,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-16T15:24:49.623Z"},{"list":"calendar-planning","list_name":"calendar planning","list_status":"active","list_url":"https://apptierlist.com/best/calendar-planning/","position":43,"tier":null,"score":80.8,"components":{"rating":95.3,"votes":79.1,"rank":48.6,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-16T15:24:49.623Z"}],"main_list":"shift-scheduling","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"maker":null,"history":[{"id":194569,"at":"2026-10-22T15:51:13.430Z","kind":"tier_changed","list":"shift-scheduling","app_store_id":390915382,"app":"spark-shift-calendar-390915382","from":"A","to":"B","reason":"rank shift: #24, score 81.8, tier full (a quarter of the list)","job":"rescore"},{"id":161095,"at":"2026-10-18T08:42:11.686Z","kind":"tier_changed","list":"shift-scheduling","app_store_id":390915382,"app":"spark-shift-calendar-390915382","from":"B","to":"A","reason":"rank shift: #17, score unchanged at 84.9","job":"rescore"},{"id":135426,"at":"2026-10-17T01:18:13.393Z","kind":"tier_changed","list":"calendar-planning","app_store_id":390915382,"app":"spark-shift-calendar-390915382","from":"C","to":null,"reason":"rank shift: #42, below the tiered top 40","job":"rescore"},{"id":131158,"at":"2026-10-16T16:26:01.111Z","kind":"tier_changed","list":"shift-scheduling","app_store_id":390915382,"app":"spark-shift-calendar-390915382","from":null,"to":"B","reason":"score 85","job":"rescore"},{"id":128609,"at":"2026-10-16T15:41:15.055Z","kind":"tier_changed","list":"calendar-planning","app_store_id":390915382,"app":"spark-shift-calendar-390915382","from":null,"to":"C","reason":"score 68.6","job":"rescore"},{"id":127969,"at":"2026-10-16T15:24:49.623Z","kind":"membership_added","list":"shift-scheduling","app_store_id":390915382,"app":"spark-shift-calendar-390915382","from":null,"to":"active","reason":"Core job: a shift calendar with thousands of preloaded schedules, custom department setups, and a Trade Board for swaps.","job":"shadow"},{"id":127968,"at":"2026-10-16T15:24:49.623Z","kind":"membership_added","list":"calendar-planning","app_store_id":390915382,"app":"spark-shift-calendar-390915382","from":null,"to":"active","reason":"secondary","job":"shadow"},{"id":117432,"at":"2026-10-16T03:04:51.806Z","kind":"app_added","list":null,"app_store_id":390915382,"app":"spark-shift-calendar-390915382","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":"shift-scheduling","list_name":"shift scheduling","status":"active","review_status":"checked","position":24,"tier":"B","score":81.8,"components":{"rating":95.3,"votes":79.1,"rank":52.8,"recency":100},"ranks":[{"country":"us","rank":28},{"country":"ca","rank":30}],"verdicts":[{"verdict":"keep","reason":"Core job: a shift calendar with thousands of preloaded schedules, custom department setups, and a Trade Board for swaps.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-16T15:24:49.623Z","attempts":1,"current":true},{"verdict":"keep","reason":"Its core purpose is viewing and building work shift rotations. It has thousands of pre-loaded department schedules and custom shift setups, similar to Shift Day Work Calendar.","verifier":"list check","decided_at":"2026-10-16T15:24:49.623Z","attempts":1,"current":true}]},{"list":"calendar-planning","list_name":"calendar planning","status":"active","review_status":"checked","position":43,"tier":null,"score":80.8,"components":{"rating":95.3,"votes":79.1,"rank":48.6,"recency":100},"ranks":[{"country":"us","rank":37},{"country":"ca","rank":42}],"verdicts":[{"verdict":"keep","reason":"secondary","verifier":"claude-sonnet-5-5","decided_at":"2026-10-16T15:24:49.623Z","attempts":1,"current":true},{"verdict":"keep","reason":"A full calendar app with days and weeks where users log vacation, overtime and personal events. It syncs and shares the schedule with family, much like TimeTree or FamCal.","verifier":"list check","decided_at":"2026-10-16T15:24:49.623Z","attempts":1,"current":true}]}]},"data_version":41058,"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/spark-shift-calendar-390915382/"}}