# DALC — user reviews > 26 indexed App Store user reviews of DALC by SHEET METAL CONTRACTORS NATIONAL ASSOCIATION, INC., rated 2.20/5 from 26 ratings. - Source: https://appshunter.io/ios/app/dalc/id427624076/reviews - App overview in markdown: https://appshunter.io/ios/app/dalc/id427624076.md - Rating breakdown: 5★ 2 · 4★ 3 · 3★ 5 · 2★ 4 · 1★ 12 ## Newest reviews (6 of 26) ### 2/5 — iPad operation *2025-08-08, version 2.1* The app does not open on an iPad. ### 2/5 — Needs updated rash on start *2022-08-24, version 2.1* Can you guys please update this app for the latest iPad os all it does rite now is instant crash on start on iPadOs 15.6.1 ### 2/5 — Help me *2020-12-09, version 2.1* Needs a update or something for it to stop crashing like it does ### 1/5 — Help *2020-10-08, version 2.1* I can’t get this to work on my iPad. Can you help? ### 1/5 — No longer works *2020-07-24, version 2.1* I used this app for years. I’m not sure if my iPad updated or what but it no longer works. I deleted it and reloaded it and it still don’t work ### 2/5 — Needs help *2017-08-24, version 2.1* All the input functions work well, however recalling saved projects is a hassle. Each work sheet will not let you change project ID number to reflect actual project name, it assigns a long letter/numerical ID that is impossible to remember or recall. ## Most critical reviews (10 lowest-rated) ### 1/5 — Needs update *2025-05-07, version 2.1* App crashes, can’t use ### 1/5 — Mandatory crash *2025-03-26* You are not allowed to go past the first screen without putting your email address in. However, when you go to type in your email address, the app crashes every time. Useless. ### 1/5 — Keeps crashing *2025-03-10, version 2.1* App keeps crashing - cannot open it and use it. I’ve tried to download it a couple times and it still doesn’t work. ### 1/5 — Crashes *2024-05-29, version 2.1* No longer works on IPhone. Just crashes after a few letters input in name. Reloaded and still the same. ### 1/5 — No longer works *2023-05-24, version 2.1* Crashes immediately ### 1/5 — App doesn’t work *2022-04-25, version 2.1* Have to use website app don’t work ### 1/5 — Freeze *2021-03-12, version 2.1* Have the app on droid App will not function past first project set up screen on Apple Pad ### 1/5 — Junk *2021-02-23, version 2.1* App boots me out after I fill out the basic information and won’t let me complete functions. Will not work on my iPhone and a coworkers iPhone. ### 1/5 — App functioning *2021-02-04, version 2.1* The app has stopped working entirely. I input all of my information and hit next and the app just resets. I’ve tried on another device with the same result. Phones are updated, app is up to date. No idea what’s wrong. ### 1/5 — Not working *2020-12-02, version 2.1* Whenever i start to calculate it quite From the aplication ## Most praised reviews (10 highest-rated) ### 5/5 — Like a lot *2012-05-11, version 1.1* Handy app. Think I will use it. ### 5/5 — Nice job *2011-04-02, version 1.0* I was just at the SMACNA Show in Chicago and I didn't even hear about an iPhone app. Nice little app very helpful. ### 4/5 — Problems *2021-06-29, version 2.1* Since I updated my iPhone to iOS 14.6 this app is not working for me anymore. And I used it all the time. Is there a update for me so I can continue using this app. ### 4/5 — Please fix!!! *2020-10-07, version 2.1* The app just stopped working! Please fix it!!!!! ### 3/5 — Used to work *2021-11-11, version 2.1* This app no longer works with my iPhone 12. Help because I like the app! ### 3/5 — I loved it, but not it won’t work please fix *2021-06-14, version 2.1* Please please please fix!!!! ### 3/5 — App not working *2020-11-19, version 2.1* This app is not working on either my two phones or iPad anymore. Please update! ### 3/5 — iPad *2020-07-13, version 2.1* This app is not longer working in my iPad. I even downloaded it into a newer iPad and it still doesn’t work. Any idea why? ### 3/5 — SMANCA ? *2020-02-26, version 2.1* In my neck of the woods it’s very rare that any system ever gets tested with only one pressure class. What I mean by that is we typically test a combination of round and rectangular. ### 3/5 — Cross break *2011-08-04, version 1.1* Please put up the basic ductwork guidelines skin! Cross panel, stiffeners etc. --- *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.*