# Builder Calculator: Measurement of Concrete, Stair, Square for Construction Free > Construction project calculation app with multiple specialized calculators and tools. (iPhone/iPad app by Robert Daily.) - Source: https://appshunter.io/ios/app/builder-calculator-measurement-of-concrete-stair-square-for-construction-free/id730352729 (this page in markdown: same URL + `.md`) - Developer: [Robert Daily](https://appshunter.io/developer/550432972) - Category: Games, Entertainment, Adventure, Casual - Price: Free with in-app purchases - Rating: 2.70/5 from 29 App Store ratings · 21 written reviews indexed - Age rating: 4+ - Requires: iOS 5.1.1 · 38 MB - Languages: American English - Released: 2015-07-08 - Data updated: 2026-06-10 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/builder-calculator-measurement-of-concrete-stair-square-for-construction-free/id730352729/reviews.md ## What is Builder Calculator? The most innovative, feature-rich, user-friendly construction app now available. Quickly determine calculations of construction projects and get immediate concepts for your new projects. Includes both metric and imperial systems of measurements FEATURES: ROOFING CALCULATOR FRAMING CALCULATOR WALL, FLOOR & CEILING CALCULATOR FOUNDATION CALCULATOR PAVING & CONCRETE CALCULATOR MASONRY CALCULATOR MEASUREMENT CALCULATOR LANDSCAPING CALCULATOR APP CAN DO MEASUREMENTS OF: Concrete Rafters Equal Spaces Running Measurement Square Up Stairs OTHER HANDY TOOLS INCLUDED - Compass - Converter ADDITIONAL FEATURES: Regular calculator: Run equations (+, -, *, /, %) just as you would on a conventional finance calculator. Pitch/Rise/Run/Diagonal: Shop & recall triangle measurements to roof pitch, rafter measures and more. Memory Bank: Save values with labels to remember later in the same practical & visible structure you have come to love in the iPhone. With Builder Calculator, you will always have the calculating power you need on you, whenever you need it. And with all of the extra functions, you will be able to take calculating, take-offs, & on-site job efficiency to a whole new level! ## Key features - Roofing Calculator - Framing Calculator - Paving & Concrete Calculator - Measurement Calculator - Compass - Converter - Regular Calculator ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Remove Ads | $1.99 | one-time | ## Recent user reviews (10 of 21) All indexed reviews: https://appshunter.io/ios/app/builder-calculator-measurement-of-concrete-stair-square-for-construction-free/id730352729/reviews.md ### 1/5 — Crap Crap Crap *2021-12-19* Two dollars waste of time. Freezes every time I get a calculation in. Still too many ads. ### 1/5 — Concrete calculation *2019-06-11, version 1.0* Didn’t work very frustrating ### 1/5 — H *2019-05-23, version 1.0* Does not calculate slab. And crashes ### 1/5 — Doesn’t work *2018-10-06, version 1.0* Tried to calculate the concrete required for a small slab. After entering the required dimensions, there is no result given. Tried again and the App crashed. Piece of junk, don’t buy it. ### 1/5 — John *2018-10-02, version 1.0* Absolutely useless! Doesn’t work Want a refund! ### 1/5 — Rubbish *2018-05-01, version 1.0* Don’t do it!! The concrete function has an issue. I added my dimensions into the boxes then the screen moves up & I can’t see the answer and I can’t move the screen down to see it. ### 1/5 — Bad App *2017-12-12, version 1.0* After purchasing app! Adverts still carry on driving me nuts! Cannot get in touch with developer so extreme negative feedback given. ### 1/5 — Junk *2017-03-29* Still have ads. after purchase to remove them and open all aspects of the app. Not worth a nickel much less $1.99, save your money, it freezes and interrupts with ads. ### 1/5 — Doesn't work *2017-01-21, version 1.0* Bought this app to work out concrete for slabs and it doesn't work in metric, as good as useless. Want a refund but can't see contact details anywhere. I wouldn't advise you to buy this. ### 1/5 — Vol *2016-08-30, version 1.0* Je me suis fais volé ne me donne pas les bon résultat et faux payé pour débloquer ## Frequently asked questions about Builder Calculator ### What measurements can Builder Calculator perform? Builder Calculator can measure concrete, rafters, equal spaces, running measurements, square ups, and stairs. It also includes specialized calculators for roofing, framing, walls, floors, ceilings, foundations, paving, and landscaping. ### Does Builder Calculator support both metric and imperial units? Yes, Builder Calculator includes both metric and imperial systems of measurements to accommodate various project needs and user preferences. ### What are the extra tools included in Builder Calculator? In addition to its core calculation features, Builder Calculator includes a compass and a converter. It also functions as a regular calculator for basic arithmetic operations. ### Can I save calculations in Builder Calculator? Yes, Builder Calculator features a Memory Bank where you can save values with labels. This allows you to recall important measurements later in a structured and visible format. ### What is the age rating for Builder Calculator? Builder Calculator has an age rating of 4+, making it suitable for a wide range of users, including younger individuals learning about construction concepts. ### On which devices can I use Builder Calculator? Builder Calculator is available for iPhone, iPad, and iPod devices. It is designed to be a portable calculating tool for on-site use. ### How often is Builder Calculator updated? The provided data indicates that the latest version is 1.0, released on 2015-07-08. There is no information on the frequency of updates. ### What is the user sentiment for Builder Calculator? Builder Calculator has an average rating of 2.7 stars from 29 ratings. This suggests that user satisfaction is mixed, with some users finding it helpful and others experiencing issues. ## Version history (last 1 release) ### 1.0 — 2015-07-08 This app has been updated by Apple to display the Apple Watch app icon. ## More apps by Robert Daily - [Afro Pimp - FREE Comic Pic Creator with Bling Teeth, Cap & More](https://appshunter.io/ios/app/afro-pimp-free-comic-pic-creator-with-bling-teeth-cap-and-more/id588983021) - [Amateur Dentist 2: Crazy Dental Club for Girls, Guys & Penguin - Surgery Games](https://appshunter.io/ios/app/amateur-dentist-2-crazy-dental-club-for-girls-guys-and-penguin-surgery-games/id732814131) - [A1 Builders Calculator - Free Construction Measurements Calc](https://appshunter.io/ios/app/a1-builders-calculator-free-construction-measurements-calc/id820893949) - [Align Food Crush - Be a Crunchy Match up Cham](https://appshunter.io/ios/app/align-food-crush-be-a-crunchy-match-up-cham/id862382701) - [Disturbed Dentist: Amateur Dental Office for Teeth Makeover of Girls, Boys & Monsters FREE](https://appshunter.io/ios/app/disturbed-dentist-amateur-dental-office-for-teeth-makeover-of-girls-boys-and-monsters-free/id864815892) All apps by Robert Daily: https://appshunter.io/developer/550432972 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*