{"app_store_id":370406446,"slug":"construction-master-pro-calc-370406446","name":"Construction Master Pro Calc","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/23/8c/85/238c85cc-c9a7-0d9c-45c4-2c963a81bbbb/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/construction-master-pro-calc/id370406446?uo=4","price":0,"currency":"USD","rating":4.84012,"rating_count":40287,"in_app_purchases":null,"recent_rating":4.25,"recent_review_count":20,"reviews_checked_at":"2026-10-18T22:19:11.550Z","primary_genre":"Utilities","version_date":"2026-09-02T16:54:50Z","updated_at":"2026-10-20T12:20:11.714Z","stale":false,"missing_since":null,"one_liner":"Feet-inch-fraction calculator for construction math, covering rafters, stairs, roofing, concrete, and area and volume.","verified_maker":false,"maker_site":null,"file_size_bytes":116140032,"minimum_os":"15.0","content_rating":"12+","language_count":1,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/0e/f6/c5/0ef6c552-073d-1866-6e5c-be61faa47bf6/853e623c-97b1-4560-ae3f-7c84902e89fc_3880-4125-ASO_1242x2208_New_UI_01.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/7f/62/e2/7f62e240-5c33-82fe-b8e2-280e41f2eacd/b45b0c22-c234-4f85-961b-1a2098499211_3880-4125-ASO_1242x2208_New_UI_02.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/25/ba/88/25ba887e-74b2-ee67-6e04-ac262abc4df2/6a66970f-72de-4352-856a-e62f07afc4ab_3880-4125-ASO_1242x2208_New_UI_03.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ef/20/2f/ef202f3d-bedd-a3af-d69b-0aca78c435f7/7fa728e2-5762-4385-9821-c68b00ff4c0d_3880-4125-ASO_1242x2208_New_UI_04.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/92/02/41/92024193-c84d-9166-0b21-714a87b66f42/9ea4ac12-82bf-40da-a4d2-9385fd70dac5_3880-4125-ASO_1242x2208_New_UI_05.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/5e/64/1c/5e641c4a-def3-8065-f95b-bf657f2109bd/11c7bcb8-d514-42dd-be77-f37a1daaa095_3880-4125-ASO_1242x2208_New_UI_06.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e8/30/72/e83072af-6c0a-9817-ead9-53b7c66391f2/10d6d115-b9ae-47ef-8100-03ccb37802eb_3880-4125-ASO_1242x2208_New_UI_07.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/a1/a5/61/a1a5619f-080a-24a8-7c53-b2005a322d70/b2bb38f1-c553-407b-b984-cb973330e812_3880-4125-ASO_1242x2208_New_UI_08.jpg/392x696bb.jpg"],"developer_name":"Calculated Industries, Inc.","editors_choice":null,"url":"https://apptierlist.com/apps/construction-master-pro-calc-370406446/","api_url":"https://apptierlist.com/api/v1/apps/construction-master-pro-calc-370406446","schema_version":"1.0","generated_at":"2026-10-20T20:39:23.643Z","data_as_of":"2026-10-20T12:20:11.714Z","description":"FREE Try Before You Buy 14 Day Trial; your App Store account is not charged by Apple during the free trial. Rated 4.8 stars with over 1.12M downloads. The trusted construction calculator used by professionals across the US and the world.\n\nThe go-to feet-inch-fraction calculator for framers, contractors, and builders. Includes Construction Master Pro and Construction Master Pro Trig in one app, with the CMPro Training Guide built in.\n\nBuilt with the same core engine that powers the industry-standard advanced construction-math calculators from Calculated Industries. Award-winning tools trusted by the industry for 40 years.\n\nBUILT FOR THE JOBSITE\n• Framers and carpenters: rafter cuts, stair layouts, lumber quantities, and framing calculations on the job \n• Builders and general contractors: estimates, material takeoffs, and building layouts \n• Concrete and masonry: footing volume, block counts, and unit conversions\n• Roofing contractors: bundles, squares, pitch, and slope in seconds \n\nWHY PROFESSIONALS CHOOSE CONSTRUCTION MASTER® PRO\n• Powerful built-in calculations make CMPro ideal for completing layouts, plans, bids, and estimates \n• Work in and convert between all common building dimensional formats US & Metric \n• Built-in right angle functions simplify square-ups, rafters, slopes, and more \n• Handles framing, roofing, concrete, lumber, and stair calculations in one app\n• Full trigonometric functions for advanced construction math\n\nBUILT-IN SOLUTIONS \n• Dimensional Math and Conversions \n• Feet-Inch-Fraction, Inch Fraction, Yards \n• Decimal Feet and Inches (10ths, 100ths) \n• Preset Fractions (1/2\" through 1/64\") \n• D:M:S, Decimal Degree Entry and Conversions \n• Full Metric Function (m, cm, mm) \n\nRIGHT ANGLE SOLUTIONS \n• Complete Right Angle/Rafter Calculations \n• Pitch Key (Slope and Grade) \n• Rise, Run, Diagonal/Common Rafter Keys \n• Regular and Irregular Hip/Valley & Jack Rafter Keys \n• Rafter Cutting Angles (Plumb, Cheek, and Level Cuts) \n• Stair Layouts (including – Riser Limit, Stairwell Opening, Headroom, Floor Thickness) \n• Rake-Wall (including Arched) \n\nAREA AND VOLUME SOLUTIONS \n• Square and Cubic \n• Roof – Bundles, Squares, 4x8 Sheets, Pitch, Plan Area \n• Drywall, Siding and Paneling 4x8, 4x9 and 4x12 \n• Column/Cone Area and Volume -- \n• Basic & Advanced Circular Calculations \n• Weight per Volume Conversions \n• Length, Width, and Height Keys \n• Blocks, Footings \n\nSPECIAL FUNCTIONS \n• Trigonometric Function Keys: Sine, Cosine, Tangent, Arcsine, Arccosine, Arctangent \n• Board Feet \n• Studs: Find number On-center \n• User-Definable Preferences \n• Cost per Unit (total costs based on unit price) \n• Equal-Sided Polygon \n• Compound Miters \n• Crown Angle \n• Advanced Paperless Tape\n\nAPP-ENHANCED FEATURES \n• Ask CMPro – exact steps for any calculation. AI built on CMPro’s 40 years of proven math\n• CMPro Toolbelt -- quick access to every tool, customizable for your workflow \n• Fast Fractions Mode -- dedicated fraction keys for faster, more precise entry \n• Materials Mode -- streamlined estimating for drywall, roofing, lumber, and more \n• Project Notes -- create text or voice-to-text notes, set up folders by project or client, add attachments, and share with your crew \n• EZ Calcs – 100+ forms-based calculators with illustrations for framing, concrete, roofing quantities, and much more.\n• Searchable Help and how-to videos \n• Context-sensitive Help -- press and hold any function key for Help text, diagrams, and videos \n• Save and share calculations and outputs (e.g., cut lists) with others on your crew \n• Bosch GLM integration -- send measured values into live calculations or Notes\n\nSUBSCRIPTION INFORMATION \nSubscription automatically renews unless canceled at least 24 hours before the end of the current period. Manage or cancel in Apple account Settings > Account (Apple ID) > Subscriptions.\n\nTRADEMARKS \nConstruction Master® and Calculated Industries® are registered trademarks of Calculated Industries, Inc. \n\nCopyright 2026","facts":{"developer_id":370406449,"developer_url":"http://www.calculated.com/productcart/pc/viewPrd.asp?idcategory=0&idproduct=296","first_released":"2010-05-05T22:53:29Z","support_url":null,"privacy_url":null,"website_url":null,"app_version":"12.11.22","release_notes":"Maintenance and Pro Tips RIP, reminder all former Pro Tip content is incorporated into Help and Ask CMPro.","rating_current_version":4.84012,"rating_count_current_version":40287,"star_counts":null,"genres":["Utilities","Productivity"],"languages":["EN"],"content_advisories":["Infrequent/Mild Profanity or Crude Humor","Infrequent/Mild Sexual Content and Nudity"],"device_families":null,"chart":null},"freshness":{"apple_read_at":"2026-10-20T12:20:11.714Z","catalog_read_at":null,"reviews_checked_at":"2026-10-18T22:19:11.550Z","summary_written_at":"2026-10-10T02:14:02.965Z","placed_at":"2026-10-09T03:59:53.925Z","scored_at":"2026-10-20T02:43:11.540Z"},"editorial":{"one_liner":"Feet-inch-fraction calculator for construction math, covering rafters, stairs, roofing, concrete, and area and volume.","what_is":"Construction Master Pro Calc is a Utilities app that provides construction calculators for dimensional math, right angle and rafter layouts, stairs, roofing, drywall, concrete and masonry. It includes Construction Master Pro and Construction Master Pro Trig in one app, with a built-in training guide. It also lists app-enhanced features such as Ask CMPro, a toolbelt and fraction keys.","good_for":["Framers cutting rafters and laying out stairs","Estimating materials and quantities for a building job","Calculating footing volume, block counts, or roofing bundles"],"pricing":"Construction Master Pro Calc is free to download on the App Store.","faq":[{"q":"Is the app free to download?","a":"The App Store listing shows a price of free. The description mentions a 14 day free trial and says the App Store account is not charged by Apple during the trial."},{"q":"Which trades does the app list as intended users?","a":"The description names framers and carpenters, builders and general contractors, concrete and masonry workers, and roofing contractors as the groups it is built for."},{"q":"Does the app support metric measurements?","a":"Yes. The description says it works in and converts between US and metric dimensional formats, including a full metric function for m, cm and mm."}],"model":"claude-haiku-5-5","created_at":"2026-10-10T02:14:02.965Z"},"memberships":[{"list":"construction-calculation","list_name":"construction calculation","list_status":"active","list_url":"https://apptierlist.com/best/construction-calculation/","position":1,"tier":"S","score":95.7,"components":{"rating":96.7,"votes":86.4,"rank":99.8,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-09T03:59:53.925Z"}],"main_list":"construction-calculation","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":152998,"at":"2026-10-18T04:16:11.701Z","kind":"tier_changed","list":"construction-calculation","app_store_id":370406446,"app":"construction-master-pro-calc-370406446","from":null,"to":"S","reason":"score 70.8 to 95.7","job":"rescore"},{"id":47975,"at":"2026-10-10T01:53:02.939Z","kind":"tier_changed","list":"construction-calculation","app_store_id":370406446,"app":"construction-master-pro-calc-370406446","from":"B","to":null,"reason":"score 70.7","job":"rescore"},{"id":38605,"at":"2026-10-09T08:23:03.437Z","kind":"tier_changed","list":"construction-calculation","app_store_id":370406446,"app":"construction-master-pro-calc-370406446","from":null,"to":"B","reason":"score 70.7","job":"rescore"},{"id":33499,"at":"2026-10-09T03:59:53.925Z","kind":"membership_added","list":"construction-calculation","app_store_id":370406446,"app":"construction-master-pro-calc-370406446","from":null,"to":"active","reason":"Core purpose: a feet-inch-fraction construction calculator for framers, contractors and builders, covering rafters, stairs, concrete and roofing math.","job":"fill"},{"id":25008,"at":"2026-10-09T03:10:04.928Z","kind":"app_added","list":null,"app_store_id":370406446,"app":"construction-master-pro-calc-370406446","from":null,"to":null,"reason":"discovered","job":"fill"}],"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":"construction-calculation","list_name":"construction calculation","status":"active","review_status":"checked","position":1,"tier":"S","score":95.7,"components":{"rating":96.7,"votes":86.4,"rank":99.8,"recency":100},"ranks":[{"country":"us","rank":1},{"country":"gb","rank":1},{"country":"ca","rank":1},{"country":"au","rank":1},{"country":"de","rank":2}],"verdicts":[{"verdict":"keep","reason":"A dedicated feet-inch-fraction construction calculator for rafters, stairs, concrete, roofing and material quantities. 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