# Construction Calculator A1 — user reviews > 12 indexed App Store user reviews of Construction Calculator A1 by Binary And Bricks Pvt Ltd, rated 4.70/5 from 23 ratings. - Source: https://appshunter.io/ios/app/construction-calculator-a1/id1589484051/reviews - App overview in markdown: https://appshunter.io/ios/app/construction-calculator-a1/id1589484051.md - Rating breakdown: 5★ 20 · 4★ 2 · 3★ 0 · 2★ 0 · 1★ 1 ## Most critical reviews (10 lowest-rated) ### 1/5 — Bad experience *2026-06-09* No easy **Developer response:** We’re sorry that your experience wasn’t as expected. The app is designed to be simple and easy to use, so we’d really appreciate knowing what specifically you found difficult. We take every review seriously and want to improve wherever needed. Please share the details with us at [techsupport@binaryandbricks.com](mailto:techsupport@binaryandbricks.com). If we’re able to resolve the issue, we’d appreciate you reconsidering your rating. ### 1/5 — About the payment *2023-11-18* I read the app details and it shows it was for lifetime if we purchase once .but after I made the payment it was still the same there is not message change in the app they r asking for purchase again .i still hve the screenshot of that successful payment . Kindly do the needful **Developer response:** We sincerely apologize for the inconvenience caused and understand your concern regarding the purchase. The app offers a one-time lifetime purchase, and in some cases, the purchase may not reflect immediately due to store sync issues. Kindly ensure you are logged in with the same account used for the purchase and try the Restore Purchase option available in the app. If the issue still persists, please contact us at our support email with the payment screenshot, and we will assist you in resolving this at the earliest. Thank you for your patience and for bringing this to our attention. ### 1/5 — Basic calculations are wrong *2023-01-31* Calculations as simple as finding the area of a 4 sided object are false. Wouldn’t trust this if it were the only calculator available. **Developer response:** Thank you for sharing your feedback. The area calculation for four-sided shapes follows standard formulas and works correctly when inputs and units are selected appropriately. In some cases, confusion can occur due to unit selection or input method. We request you to please check the latest version and verify the inputs and units used. If you still face any issue, kindly contact our support team with details so we can review it further. We’re always happy to help clarify and assist. ### 3/5 — Unit issue *2023-03-31* The area calculated is always shown in (metric)sq mtr even if you choose (imperial) sq ft as the dimensions….No provision to change the unit… **Developer response:** Thank you for reporting this issue. The unit display has been improved in our latest version. We request you to please update the app and check again. Thank you for your feedback and support. ### 4/5 — Good but *2025-04-10* Good app but some thing may need to improve **Developer response:** Thank you for your feedback! We are continuously improving the app. If you have any suggestions or issues, please email us at techsupport@binaryandbricks.com ### 5/5 — Accurate and Easy to use *2026-08-13* Very useful app cor Construction calculations. It has wide range of calculators for quantity estimation, concrete, steel and other material calculations. Simple interface and quick results make it very helpful. ### 5/5 — Best app *2026-07-28* Very useful **Developer response:** Thank you for the wonderful 5-star rating! 🌟 We’re delighted to know you find the app very useful. Your support means a lot to our team and motivates us to keep creating simple and practical tools for construction professionals. ### 5/5 — Must use app *2026-01-23* Use full app for contractors **Developer response:** Thank you for your support! We’re glad you find the app useful for contractors. If you have any suggestions, please email us at techsupport@binaryandbricks.com ### 5/5 — A game changer for Every Engineer. *2025-05-25* I’ve been using Construction Calculator A1 on my MacBook and iPad , and it’s been an absolute game changer. The app is fast , clean, and incredibly useful for daily site calculations. Whether it’s Area, Volume, Steel weight, or Unit conversations, every features is well-organised and easy to access. I especially love the dark theme and offline functionality. The rebar and concrete mix design tools are spot-on. Great to see support for both metric and imperial units, and the interface adapts well to the larger screen on mac tabs. This app has easily replaced multiple tools and saved me hours of manual work. Highly recommended for civil engineer’s, contractors and site Supervisers. **Developer response:** Thank you for the detailed and encouraging feedback We’re glad to know the app has been useful for your daily site calculations across devices, and that features like offline usage, unit flexibility, and mix design tools are helping save time on real projects. Your recommendation truly means a lot to us. Thank you for your continued support. ### 5/5 — Best civil engineering app *2023-03-05* Very easy to use. App works perfectly. Also worth to buy PRO version. **Developer response:** Thank you for the great feedback We’re happy to know the app is easy to use and working well for you. Thank you for recommending the Pro version and for your support. ## Most praised reviews (2 highest-rated) ### 5/5 — Great job *2021-12-02* Very easy app to use and very useful **Developer response:** Thank you for the great feedback We’re happy to know the app is easy to use and working well for you. Thank you for recommending the Pro version and for your support. ### 5/5 — Best one *2021-10-19* Keepupthegreatwork **Developer response:** Thank you for the great feedback We’re happy to know the app is easy to use and working well for you. Thank you for recommending the Pro version and for your support. --- *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 2026-08-24.*