Comparison

Builder's Helper MAX vs Construction Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Builder's Helper MAX

This comprehensive construction app offers advanced calculation tools for linear, square, and cubic measurements in both imperial and metric units. It includes features for roof pitch, stair lengths, and a memory bank for storing values. Manage projects with detailed lists, store documents and images, and utilize quick job calculators for various construction tasks.

Highlights
  • Advanced construction calculator (imperial/metric)
  • Roof pitch and rafter length calculations
  • Project management with data lists
  • Document and image storage for projects
  • Quick job calculators for various tasks
  • Notepad with PDF export
Features
Read full description

The most advanced, feature-rich, intuitive & user-friendly construction app available is BACK, Rebuilt from the ground up for modern devices, with universal support for both iPhone and iPad! With its easy-to-use layout & features, it is capable of handling even the most demanding construction projects, and blows expensive stand-alone construction calculators out of the water at a fraction of the cost! Whether an experienced tradesman or novice DIYer, you will find Carpenter’s Helper the perfect companion for every project, in the office and in the field. ---- Features: • Calculator: Includes all of the features you would expect to find on an advanced Construction Calculator, but redesigned and optimized for the touch screen. Easily calculate linear, square & cubic measurements in English (Yards, Feet, Inches, Inch Fractions [up to x/128”]) & Metric (Millimeters, Centimeters, Meters), and convert easily between the two unit modes with a convenient [E/M] toggle. Store & recall triangular measurements to calculate roof pitch, rafter lengths, stair lengths, and more with the convenient [Pitch], [Rise], [Run] and [Diagonal] buttons. When any 2 values are stored, the other 2 are generated automatically! The [Tape] feature keeps an easy-to-read list of your calculations for error-checking, while the Memory Bank feature allows you to Add, Subtract, and recall stored values with a running ticker displayed in the LCD area. Plus we just added a NEW Quick-List feature, which allows you to label and store often-used values for quicker entry into your equation! • Notepad: Keep important notes within one tap of your calculator, supporting multiple pages and exporting to PDF. • Projects: Create lists of data in Text-Only, Simplified, or Detailed lists, and store in organized Projects. Useful for take-offs, estimating, budgets, material lists, etc. Lists can even be tabulated to include running totals on the bottom! Not only does it keep track of important project info & create powerful lists, but you can also store project documents (like budgets, contracts, plans, etc.) & images (either by attaching images from you photo library or taking new ones). And of course you can Print or export your Project data via email as a PDF! • Quick-Jobs: Graphical interface to easily calculate all kinds of construction projects, large or small. With just a few known parameters, Quick-Jobs will automatically fill-in and calculate the rest of the project for you. These Quick-Jobs are included: -Rafters -Stairs -Arc/Circle -Column/Cone -Crown/Miter -Concrete -Conc. Block -Drywall -Flooring -Painting -Roof -Convert -Fencing (Imperial-Mode Only) -Decking (Imperial-Mode Only) -Wall Framing (Imperial-Mode Only) -Board Feet Calc. (Imperial-Mode Only) You can also export all of your QJ data to be included with a Project, or export separately. ---- With Builder’s Helper, you’ll always have the calculating power you need on you, every time you need it. And with all of the additional features, you’ll be able to take estimating, take-offs, & on-site job performance to a whole new level!

About

Construction Calculator

This app is a powerful calculator designed for construction and woodworking professionals, as well as students. It simplifies calculations involving feet, inches, and fractions, offering conversions between various measurement units and displaying equations and results simultaneously. Advanced features are available through optional in-app purchases.

Highlights
  • Decimal to fraction converter
  • Fraction to decimal conversion
  • Simultaneous equation and result display
  • Advanced editing capabilities
  • Today Screen integration
  • Support for multiple dimensional formats
Features
Read full description

Award Winning Feet Inch Fraction Construction Calculator for iPhone and iPad. Designed with simplicity, usability and beauty in mind! FEATURES: - Elegant & Intuitive interface - Decimal to fraction converter - Fraction to decimal conversion - Displays both the equation & the result at the same time - Advanced editing by easily going back and forth - Can be added to Today Screen Ideal for those who work in construction, woodworking and for students to check up their homework! If you are looking for more advanced features you can upgrade to one or more of the following: - Stairs Calculator - Common Rafter Calculator - Hip/Valley Rafter Calculator - Triangle Calculator - Circular Calculator - Arc Calculator - Work in and convert between all building dimensional formats: feet-inch-fractions, inch fraction, yards, decimal feet (10th, 100th), decimal inches and metric (km, m, cm, mm) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Builder's Helper MAX4 screens
Construction Calculator1 screens

Verdict

The call

The clearest difference is update cadence: Construction Calculator at every 6 days against Builder's Helper MAX's monthly. Builder's Helper MAX's advantage is review sentiment (73% vs 54%) and iOS requirement (12.0 vs 16.4). On price, rating, ratings volume and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Builder's Helper MAX sells 10 one-off in-app purchases and Construction Calculator sells 8 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Builder's Helper MAX against 4.7 for Construction Calculator. Both are backed by a comparable volume of ratings — 1.7K and 667 respectively. Written reviews are what separate them: 73% of Builder's Helper MAX's written reviews are positive against 54% of Construction Calculator's.

UpkeepUpdate frequency

Builder's Helper MAX ships an update monthly, Construction Calculator every 6 days. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

Scorecard3 real differences · 7 level
Builder's Helper MAX versus Construction Calculator: the parameters behind the verdict, then further details
ParameterBuilder's Helper MAXConstruction Calculator
PriceFreeFree
Rating4.7 (1.7K ratings) — better4.7 (667 ratings)
Positive reviews72.5% of reviews — better53.7% of reviews
Number of ratings1.7K — better667
Update frequencyMonthlyEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.4
Further details — not scored
Size71 MB49 MB
Age rating4+4+
DeveloperMy Pie InteractivexNeat.com

Customer experience

Builder's Helper MAX

All ratings1,617 ratings
Positive94.1%
Neutral2.4%
Negative3.6%
Written reviews40 reviews
Positive72.5%
Neutral5.0%
Negative22.5%

Construction Calculator

All ratings625 ratings
Positive91.4%
Neutral3.2%
Negative5.4%
Written reviews136 reviews
Positive53.7%
Neutral4.4%
Negative41.9%

User reviews

Builder's Helper MAX

From 1.7K App Store ratings

What we love

  • 🔥 Best construction calculator
  • 👍 Very easy to use
  • 💻 Convenient to have on all devices
  • ⏱️ Saves time and reduces errors
  • 🧮 Excellent fractional calculator

Room to improve

  • 🐛 Crashes and display issues
  • 🚫 No updates or support from developer
  • 💰 One-time purchase not working as expected
  • 📱 Works better on phones than tablets

Construction Calculator

From 667 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Quick and accurate calculations
  • 💡 Helpful for construction work
  • 🎨 Customizable colors

Room to improve

  • 💰 Subscription model is too expensive
  • 🔒 Paywall locks out useful features
  • 🔄 Forced updates break existing functionality
  • 🤯 Confusing and difficult to navigate

Bugs and requests

Builder's Helper MAX

Reported bugs

3 issues
  • Fractions not displaying properly
  • App crashing when using certain features
  • Compatibility issues with newer macOS versions

Requested features

3 requests
  • Getting started guide or help section
  • Ability to group related tasks under one project
  • Expand note-taking capabilities

Construction Calculator

Reported bugs

3 issues
  • Calculation errors and incorrect results
  • Freezing and crashing on certain devices
  • Compatibility issues with newer OS versions

Requested features

4 requests
  • Bring back fraction display in results
  • Allow offline use without subscription
  • Add more construction-specific tools
  • Improve user interface and usability

In-app purchases

10 purchases

Builder's Helper MAX

One-time10
  • Quick-Job: Drywall$0.99
  • Quick-Job: Fencing$0.99
  • Quick-Job: Roofing$0.99
Show 7 more
  • Quick-Job: Decking$0.99
  • Quick-Job: Wall Framing$0.99
  • Construction Pack$4.99
  • Estimating Pack$4.99
  • Project Management$4.99
  • Pro Calculator$4.99
  • Pro Pack$12.99
8 purchases

Construction Calculator

Subscriptions2
  • Construction Calculator3 Days trial$4.991 Month
  • Construction Calculator7 Days trial$39.991 Year
One-time6
  • Themes$1.99
  • Calculator Plus$3.99
  • Rafter$4.99
Show 3 more
  • Stair Calculator$4.99
  • Fraction Calculator$9.99
  • Construction Calculator2 variants$14.99

Questions

Is Builder's Helper MAX free?
Builder's Helper MAX is free to download, with in-app purchases available.
Is Construction Calculator free?
Construction Calculator is free to download, with in-app purchases available.
Which has better reviews, Builder's Helper MAX or Construction Calculator?
Builder's Helper MAX is rated higher. Builder's Helper MAX averages 4.7 out of 5 from 1.7K ratings, while Construction Calculator averages 4.7 from 667 ratings.
Do Builder's Helper MAX or Construction Calculator have ads?
Neither Builder's Helper MAX nor Construction Calculator shows ads.
Which is updated more often, Builder's Helper MAX or Construction Calculator?
Builder's Helper MAX ships an update monthly, and Construction Calculator every 6 days. Most recently, Builder's Helper MAX was updated on October 20, 2026 and Construction Calculator on October 21, 2026.

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