{"app_store_id":618064263,"slug":"bubble-level-plus-618064263","name":"Bubble Level Plus+","subtitle":"+ Angle Meter & Tilt Meter","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/bb/dc/c8/bbdcc8f6-4bd9-3835-7c1f-462db5117b86/AppIcon-0-0-1x_U007epad-0-1-85-220.jpeg/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/bubble-level-plus/id618064263?uo=4","price":0,"currency":"USD","rating":4.55002,"rating_count":15354,"in_app_purchases":true,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":"2026-10-20T11:50:11.794Z","primary_genre":"Utilities","version_date":"2025-11-05T08:12:43Z","updated_at":"2026-10-20T11:50:11.794Z","stale":false,"missing_since":null,"one_liner":"Bubble level and angle and tilt meter for checking whether surfaces are level and measuring angles and slopes.","verified_maker":false,"maker_site":null,"file_size_bytes":8129536,"minimum_os":"17.6","content_rating":"4+","language_count":1,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f9/bf/ac/f9bface8-5dbf-f2c5-f0bb-fb6ab5d7dbf9/22f749a2-674a-4928-a4c8-8a47aa717cb9_ss1.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c7/3e/bb/c73ebb56-6361-ee97-0023-ddd8e60bf5a0/56cfa227-53a3-4e26-9be9-1e775320d3d2_ss2.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/fb/fa/b3/fbfab3c7-29b6-7bbb-3b67-0314c2698def/dca8c11a-809b-46c5-ad2c-6c183a31e10d_ss3.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e9/70/2a/e9702a59-477f-2f85-1d00-9873aff886ac/96b27c93-1c2e-4ec3-a483-57341d698d85_ss4.jpg/392x696bb.jpg"],"developer_name":"Tue Nguyen Minh","editors_choice":false,"url":"https://apptierlist.com/apps/bubble-level-plus-618064263/","api_url":"https://apptierlist.com/api/v1/apps/bubble-level-plus-618064263","schema_version":"1.0","generated_at":"2026-10-20T18:29:36.982Z","data_as_of":"2026-10-20T12:05:11.689Z","description":"Bubble Level (one of the 12 tools in iMetalBox) is now free! Take this chance to download!\n\n======== User reviews ========\n\n• \"Works great and stylish!\" - HellofromtheFeeworld746\n• \"Just what I need it for. Simple and easy.\" - LtHottRod\n• \"No drama, does what I need it to.\" - Leon8004\n• \"I have use on my (welder) and it worked great.\" - Spark in the dark\n\n-------------------------------- \n\nFull retina display support for both iPhone 4 and iPhone 5!\n\nAlso check out iMetalBox: 12 in 1, get 12 useful tools with the price of one!\n\nYou can use Level° for:\n- Picture frame alignment\n- Measure angles and slopes\n- Home decoration\n- And much more!\n\nCalibrate instructions:\n- To calibrate the levels, hold the phone against a reference surface and press the Calibrate button.\n- Do this two times for vertical and horizontal orientations.","facts":{"developer_id":434811167,"developer_url":"http://www.phoenixmobileonline.com","first_released":"2013-03-26T06:15:41Z","support_url":"http://www.phoenixmobileonline.com/","privacy_url":"http://phoenixmobileonline.com/privacy/level_pp.html","website_url":"http://www.phoenixmobileonline.com/","app_version":"2.4.6","release_notes":"Minor bug fixes","rating_current_version":4.55002,"rating_count_current_version":15354,"star_counts":[729,304,657,1753,11900],"genres":["Utilities","Productivity"],"languages":["EN"],"content_advisories":null,"device_families":["iphone","ipad"],"chart":null},"freshness":{"apple_read_at":"2026-10-20T11:50:11.794Z","catalog_read_at":"2026-10-14T15:44:19.782Z","reviews_checked_at":"2026-10-20T11:50:11.794Z","summary_written_at":"2026-10-15T18:04:00.407Z","placed_at":"2026-10-15T01:31:53.108Z","scored_at":"2026-10-20T12:05:11.689Z"},"editorial":{"one_liner":"Bubble level and angle and tilt meter for checking whether surfaces are level and measuring angles and slopes.","what_is":"Bubble Level Plus+ is a Utilities app with the subtitle Angle Meter and Tilt Meter. The description presents it as a bubble level for tasks such as picture frame alignment, measuring angles and slopes, and home decoration. The listing includes a calibration step, done by holding the phone against a reference surface in vertical and horizontal orientations, and notes that Bubble Level is one of the 12 tools in iMetalBox.","good_for":["Aligning picture frames","Measuring angles and slopes","Home decoration tasks"],"pricing":"Bubble Level Plus+ is free to download, with in-app purchases on the App Store.","faq":[{"q":"Is the app free to install?","a":"Yes, it is free to download. It also says in-app purchases are available, but the listing does not describe what they include."},{"q":"How do I calibrate the level?","a":"Hold the phone against a reference surface and press the Calibrate button. The listing says to do this twice, once for vertical orientation and once for horizontal orientation."},{"q":"Which devices is it compatible with?","a":"The description mentions full retina display support for iPhone 4 and iPhone 5. Compatibility with other devices: Not stated on the App Store."}],"model":"claude-haiku-5-5","created_at":"2026-10-15T18:04:00.407Z"},"memberships":[{"list":"angle-measurement","list_name":"angle measurement","list_status":"draft","list_url":null,"position":null,"tier":null,"score":56.5,"components":{"rating":90.8,"votes":82.7,"rank":0,"recency":52.6},"status":"active","review_status":"checked","list_ranking_status":"under_review","confidence":"provisional","judged_at":"2026-10-15T01:31:53.108Z"},{"list":"level-measurement","list_name":"level measurement","list_status":"active","list_url":"https://apptierlist.com/best/level-measurement/","position":6,"tier":"B","score":78.7,"components":{"rating":90.8,"votes":82.7,"rank":88.8,"recency":52.6},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-15T01:31:53.108Z"}],"main_list":"level-measurement","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":178158,"at":"2026-10-19T16:44:11.534Z","kind":"tier_changed","list":"level-measurement","app_store_id":618064263,"app":"bubble-level-plus-618064263","from":null,"to":"B","reason":"score 56.5 to 78.4","job":"rescore"},{"id":174686,"at":"2026-10-19T09:33:11.813Z","kind":"tier_changed","list":"angle-measurement","app_store_id":618064263,"app":"bubble-level-plus-618064263","from":null,"to":"D","reason":"list left review: 6 or more members checked, ranked #5","job":"rescore"},{"id":113266,"at":"2026-10-15T18:20:00.421Z","kind":"tier_changed","list":"angle-measurement","app_store_id":618064263,"app":"bubble-level-plus-618064263","from":"D","to":null,"reason":"list too small to rank: fewer than 6 apps in it","job":"rescore"},{"id":92622,"at":"2026-10-15T04:04:53.188Z","kind":"tier_changed","list":"angle-measurement","app_store_id":618064263,"app":"bubble-level-plus-618064263","from":null,"to":"D","reason":"score 56.6","job":"rescore"},{"id":90193,"at":"2026-10-15T01:31:53.108Z","kind":"membership_added","list":"level-measurement","app_store_id":618064263,"app":"bubble-level-plus-618064263","from":null,"to":"active","reason":"Core job: a bubble level to check if surfaces are level, e.g. picture frame alignment, with calibration for horizontal and vertical.","job":"shadow"},{"id":90192,"at":"2026-10-15T01:31:53.108Z","kind":"membership_added","list":"angle-measurement","app_store_id":618064263,"app":"bubble-level-plus-618064263","from":null,"to":"active","reason":"Subtitle advertises Angle Meter & Tilt Meter, and the description says it measures angles and slopes.","job":"shadow"},{"id":83028,"at":"2026-10-14T15:44:19.782Z","kind":"app_added","list":null,"app_store_id":618064263,"app":"bubble-level-plus-618064263","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":"angle-measurement","list_name":"angle measurement","status":"active","review_status":"checked","position":null,"tier":null,"score":56.5,"components":{"rating":90.8,"votes":82.7,"rank":0,"recency":52.6},"ranks":[],"verdicts":[{"verdict":"keep","reason":"Subtitle advertises Angle Meter & Tilt Meter, and the description says it measures angles and slopes.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-15T01:31:53.108Z","attempts":1,"current":true},{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-15T01:31:53.108Z","attempts":1,"current":true}]},{"list":"level-measurement","list_name":"level measurement","status":"active","review_status":"checked","position":6,"tier":"B","score":78.7,"components":{"rating":90.8,"votes":82.7,"rank":88.8,"recency":52.6},"ranks":[{"country":"us","rank":7},{"country":"gb","rank":10},{"country":"ca","rank":9},{"country":"au","rank":12},{"country":"de","rank":23}],"verdicts":[{"verdict":"keep","reason":"Core job: a bubble level to check if surfaces are level, e.g. picture frame alignment, with calibration for horizontal and vertical.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-15T01:31:53.108Z","attempts":1,"current":true},{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-15T01:31:53.108Z","attempts":1,"current":true}]}]},"data_version":39129,"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/bubble-level-plus-618064263/"}}