{"app_store_id":795721582,"slug":"ring-sizer-by-jason-withers-795721582","name":"Ring Sizer by Jason Withers ©","subtitle":"","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/10/8e/d1/108ed192-7e61-e906-703e-4a1de4de21b2/AppIcon-0-0-1x_U007epad-0-1-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/ring-sizer-by-jason-withers/id795721582?uo=4","price":0,"currency":"USD","rating":4.45241,"rating_count":6903,"in_app_purchases":true,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Utilities","version_date":"2026-08-13T12:01:04Z","updated_at":"2026-10-21T16:01:27.133Z","stale":false,"missing_since":null,"one_liner":"Converts ring sizes across USA, Australia, UK, Europe, Japan and China, with metric or imperial units and diameter or.","verified_maker":false,"maker_site":null,"file_size_bytes":84328448,"minimum_os":"15.0","content_rating":"4+","language_count":6,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/19/b0/ea/19b0ea96-442c-e45a-b481-698ce27ee442/d0fa7511-b9dc-4d72-a4e6-d25c6a3c6094_01_opaque.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/2a/77/0a/2a770a5c-d1f1-54cd-477f-ebbbc0615a95/5b9041b0-8188-47f5-b75e-fbb6b4a140c7_02_opaque.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/13/03/51/130351be-d26d-a6b0-7e93-1df95e761b50/b929d2f7-f624-4cc1-b760-94869a3c4fed_03_opaque.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/c2/2c/b1/c22cb1f1-2ece-8e39-69a9-77b3b9dabb5d/a63125a9-22f8-4f70-aa3f-cbc8ac93c644_04_opaque.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/b2/1b/30/b21b301d-3e5a-3713-85d7-da2758597798/f4281bd6-6c5e-4dac-973d-974bdcb108d6_05_opaque.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/4c/cf/58/4ccf58fa-053d-fa23-c266-9ee832028ffe/dbbacee2-fe85-4a36-93ae-c09bdc22be60_06_opaque.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/81/72/70/8172700a-c1bc-35f3-d208-1c24340649b1/27721e0e-53c3-4ca0-b603-63a286d080f7_07_opaque.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/60/c1/99/60c1999a-e35e-a059-32a5-60d26a1d0711/119de8e9-ea34-4257-8229-044daca83201_08_opaque.png/392x696bb.png"],"developer_name":"Uniqo Lab FZC","editors_choice":false,"url":"https://apptierlist.com/apps/ring-sizer-by-jason-withers-795721582/","api_url":"https://apptierlist.com/api/v1/apps/ring-sizer-by-jason-withers-795721582","schema_version":"1.0","generated_at":"2026-10-22T00:09:07.611Z","data_as_of":"2026-10-21T18:48:13.528Z","description":"Handy utility from Jason Withers created to easily find the ring size in the different countries. There are some unique features supported by the app:\n\n- choose metric or imperial units\n- choose diameter or circumference\n- use visual guides for more precise measuring\n- supports sizes of the USA, Australia, United Kingdom, Europe, Japan and China\n- easily share your ring size on social networks\n\nAlso we have integrated our \"Engagement & Wedding Rings\" catalogue and Instagram feed from Jason Withers into this app. You can  request quotes through the \"Enquire by email\" function of the app. One of our expert jewellery consultants will then respond to the enquiry and assist you with your query.\nFull access: \n\nUpgrade to the Premium version and get unlimited access to an amazing app features without ads!\n\n— Subscription payments will be charged to your iTunes account at confirmation of your purchase and upon commencement of each renewal term. Subscription with a free trial period will automatically renew to a paid subscription. You can cancel your subscription or free trial in the iTunes settings at least 24-hours before the end of the free trial period. The cancellation will take effect the day after the last day of the current subscription period and you will be downgraded to the free service. \n— Please note: any unused portion of a free trial period (if offered) will be forfeited when you purchase a premium subscription during the free trial period.\n— Terms of Use (EULA) https://99apps.me/terms\n— Privacy Policy: https://99apps.me/privacy\n\nHave fun!","facts":{"developer_id":1625160709,"developer_url":"https://99apps.me","first_released":"2014-01-16T22:13:58Z","support_url":"https://99apps.me/contact-us","privacy_url":"https://99apps.me/privacy","website_url":"https://99apps.me/","app_version":"4.0.6","release_notes":"Bug fixes and other improvements","rating_current_version":4.45241,"rating_count_current_version":6903,"star_counts":[594,176,234,408,5491],"genres":["Utilities","Lifestyle"],"languages":["EN","FR","DE","IT","PT","ES"],"content_advisories":null,"device_families":["iphone","ipad","ipod"],"chart":null},"freshness":{"apple_read_at":"2026-10-21T16:01:27.133Z","catalog_read_at":"2026-10-21T16:01:27.133Z","reviews_checked_at":null,"summary_written_at":"2026-10-19T22:54:11.529Z","placed_at":"2026-10-16T15:52:46.034Z","scored_at":"2026-10-21T18:48:13.528Z"},"editorial":{"one_liner":"Converts ring sizes across USA, Australia, UK, Europe, Japan and China, with metric or imperial units and diameter or.","what_is":"Ring Sizer is a Utilities app by Jason Withers for finding a ring size in different countries. It offers metric or imperial units, diameter or circumference measurement, and visual guides for more precise measuring. The listing also describes an Engagement & Wedding Rings catalogue, an Instagram feed, and an email enquiry function for quotes.","good_for":["Finding your ring size in a non-local sizing system","Measuring a ring size in metric or imperial units","Sharing a ring size with others on social networks"],"pricing":"Ring Sizer by Jason Withers © is free to download, with in-app purchases on the App Store.","faq":[{"q":"Which ring size systems does the app support?","a":"The app supports sizes for the USA, Australia, United Kingdom, Europe, Japan and China."},{"q":"Does the app cost anything to use?","a":"It is free to download. The listing says in-app purchases are available, and a Premium version offers unlimited access without ads. Subscription payments are charged to your iTunes account."},{"q":"Can I request a quote for a ring through the app?","a":"The listing says the app includes an Engagement & Wedding Rings catalogue and an \"Enquire by email\" function, and that a jewellery consultant will respond to enquiries."}],"model":"claude-haiku-5-5","created_at":"2026-10-19T22:54:11.529Z"},"memberships":[{"list":"measuring-objects","list_name":"measuring objects","list_status":"active","list_url":"https://apptierlist.com/best/measuring-objects/","position":13,"tier":"C","score":64.3,"components":{"rating":80.1,"votes":78.4,"rank":0,"recency":98.8},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-16T15:52:46.034Z"}],"main_list":"measuring-objects","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":163603,"at":"2026-10-18T22:41:11.538Z","kind":"tier_changed","list":"measuring-objects","app_store_id":795721582,"app":"ring-sizer-by-jason-withers-795721582","from":null,"to":"C","reason":"rank shift: #10, score unchanged at 64.4","job":"rescore"},{"id":129495,"at":"2026-10-16T15:52:46.034Z","kind":"membership_added","list":"measuring-objects","app_store_id":795721582,"app":"ring-sizer-by-jason-withers-795721582","from":null,"to":"active","reason":"The app is built to measure a finger or ring diameter or circumference, using visual guides on screen, to find a ring size across countries.","job":"shadow"},{"id":123050,"at":"2026-10-16T06:34:51.814Z","kind":"app_added","list":null,"app_store_id":795721582,"app":"ring-sizer-by-jason-withers-795721582","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":"measuring-objects","list_name":"measuring objects","status":"active","review_status":"checked","position":13,"tier":"C","score":64.3,"components":{"rating":80.1,"votes":78.4,"rank":0,"recency":98.8},"ranks":[],"verdicts":[{"verdict":"keep","reason":"The app is built to measure a finger or ring diameter or circumference, using visual guides on screen, to find a ring size across countries.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-16T15:52:46.034Z","attempts":1,"current":true},{"verdict":"keep","reason":"Its core purpose is measuring a physical ring on the iPhone screen with visual guides and reading the diameter or circumference. That is measuring a real object with the phone, not just converting units. The size charts and jewellery catalogue are secondary.","verifier":"list check","decided_at":"2026-10-16T15:52:46.034Z","attempts":1,"current":true}]}]},"data_version":40395,"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/ring-sizer-by-jason-withers-795721582/"}}