{"schema_version":"1.0","generated_at":"2026-10-22T03:18:05.399Z","app":{"app_store_id":574809181,"slug":"hvacr-check-charge-574809181","name":"HVACR Check & Charge","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/2a/a9/57/2aa957b7-37a4-7a47-9337-a64f0343f631/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/hvacr-check-charge/id574809181?uo=4","price":0,"currency":"USD","rating":4.80135,"rating_count":17372,"in_app_purchases":null,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Reference","version_date":"2026-08-08T01:52:06Z","updated_at":"2026-10-20T12:20:11.714Z","stale":false,"missing_since":null,"one_liner":"Mobile refrigerant charge calculator for HVACR systems that uses superheat, subcooling, or airflow with system.","verified_maker":false,"maker_site":null,"file_size_bytes":32301056,"minimum_os":"15.6","content_rating":"4+","language_count":3,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/9b/18/5c/9b185c50-6dee-7f00-9437-a88e909931b2/7d789d4d-2323-42de-8104-c9d2f82fe485_iPhone_8_Plus-01selectRefrigerant.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/2f/19/20/2f1920e8-1de3-366c-5842-b751b69c2317/80b64e1f-48cd-44a1-8a55-d212fc033fd9_iPhone_8_Plus-02homeScreen.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/22/67/4d/22674d9d-4d1d-9ecf-32d9-4b8bf9836751/dbb3ec7f-175c-47aa-b331-82d1d2784db0_iPhone_8_Plus-03selectIndoorWebBulb.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/39/53/17/39531712-ccd0-47ff-4a8b-2cb7a0551343/6599b8cf-113f-494d-8ced-2854a6748f4c_iPhone_8_Plus-04superheatKnown.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/15/d3/1f/15d31f97-8b89-6820-1cfa-be782d4bbbdd/99bf609c-b2dd-4f13-b3d8-e41cd3abbdbe_iPhone_8_Plus-05inputScreenPopulated.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/0c/dd/f0/0cddf071-c368-b32a-0636-8959cea42137/c71f9c5b-aa9b-4cdc-b11e-e96b312cf5ab_iPhone_8_Plus-06resultsScreen.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/65/05/1f/65051f52-f273-7615-ca2e-2e0b03ba6e13/604d618e-1285-4005-93c5-7d4e4a9c412c_iPhone_8_Plus-07resultsScreen2.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/9c/1b/f5/9c1bf5f2-cb65-0280-54c7-598d6719fbea/c27276f3-bd59-4267-b312-800375209212_iPhone_8_Plus-08pTTable.png/392x696bb.png"],"developer_name":"Copeland LP","editors_choice":null,"url":"https://apptierlist.com/apps/hvacr-check-charge-574809181/","api_url":"https://apptierlist.com/api/v1/apps/hvacr-check-charge-574809181"},"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":"construction-calculation","list_name":"construction calculation","status":"active","review_status":"checked","position":8,"tier":"C","score":69.1,"components":{"rating":96,"votes":82.4,"rank":0,"recency":97.8},"ranks":[],"verdicts":[{"verdict":"keep","reason":"It is a trade calculator for HVACR contractors, covering refrigerant charge, superheat, subcooling and airflow on site, which is the closest fit among the candi","verifier":"claude-sonnet-5-5","decided_at":"2026-10-14T19:32:33.748Z","attempts":1,"current":true},{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-14T19:32:33.748Z","attempts":1,"current":true}]}],"history":[{"id":153002,"at":"2026-10-18T04:16:11.701Z","kind":"tier_changed","list":"construction-calculation","app_store_id":574809181,"app":"hvacr-check-charge-574809181","from":null,"to":"C","reason":"rank shift: #5, score unchanged at 69.2","job":"rescore"},{"id":87075,"at":"2026-10-14T19:32:33.748Z","kind":"membership_added","list":"construction-calculation","app_store_id":574809181,"app":"hvacr-check-charge-574809181","from":null,"to":"active","reason":"It is a trade calculator for HVACR contractors, covering refrigerant charge, superheat, subcooling and airflow on site, which is the closest fit among the candi","job":"shadow"},{"id":79891,"at":"2026-10-14T13:43:19.780Z","kind":"app_added","list":null,"app_store_id":574809181,"app":"hvacr-check-charge-574809181","from":null,"to":null,"reason":"discovered","job":"import"}],"data_version":40527,"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/"}}