Comparison

Builder's Helper MAX vs Construction Calc Pro Lite

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 Calc Pro Lite

This calculator app is designed for construction professionals, offering specialized functions for measurements in feet, inches, and fractional inches. It includes modules for material estimates, conversions, area and volume calculations, trigonometry, and stair design, transforming your device into a construction computer.

Highlights
  • Feet, inches, and fractional inch measurements
  • Material estimation modules
  • Area and volume calculations
  • Trigonometry and triangle solver
  • Stair and crown moulding calculators
  • Fraction reduction and conversion
  • Estimate transfer and email
Features
Read full description

Construction Calc Pro turns your device into an advanced jobsite computer. Built specifically for contractors, builders, carpenters, and project supervisors, it combines full fractional-inch dimensional math with integrated material takeoffs and project estimation sheets. Eliminate expensive standalone handhelds—run your framing cuts, stair layouts, material orders, and job estimates right from your pocket. CORE DIMENSIONAL MATH & CONVERSIONS - Calculate in feet, inches, and fractional inches down to 1/64 inch - Full math support: Add, subtract, multiply, divide, powers, and square roots with mixed units - Instant conversions: Fractions to decimals, square and cubic footage, metric to imperial, angles, and temperatures - Automatic fraction reduction to lowest common denominators - Split-screen view displays active calculations, measurements, and memory registers simultaneously - 50 shared memory registers accessible across all specialized modules PROJECT ESTIMATION & MATERIAL TAKEOFFS - Instant takeoffs for concrete pours, block walls, drywall sheets, paint, tile, and lumber - Calculate surface areas and volumes for standard, angled, and complex compound shapes - Export to a running job estimate sheet to tally project totals - Email itemized takeoffs directly to clients, suppliers, or your crew right from the site ROOF, STAIRS & STRUCTURAL LAYOUT - Stairs & Stringers: Solve total rise, run, unit rise, unit run, riser and tread counts, stringer length, and minimum stairwell openings with scale-drawn diagrams - Rafters & Framing: Integrated right-angle trigonometry solves slope, pitch, common rafters, hips, and valleys with visual graphic feedback - Crown Moulding: Calculate precise miter and bevel saw settings for any wall angle and any spring angle - Arcs & Circles: Solve radius, circumference, sector area, arc length, and segments fast Designed for professional trades who need reliable, jobsite-tested calculations without ads, subscriptions, or bulky handheld devices. Built-in help guides and instructions included for every module.

Screenshots

Builder's Helper MAX4 screens
Construction Calc Pro Lite4 screens

Verdict

The call

Builder's Helper MAX and Construction Calc Pro Lite both sit at 4.7 stars, but that hides the real split: 73% of Builder's Helper MAX's written reviews are positive against 10% of Construction Calc Pro Lite's. Builder's Helper MAX also leads on ads (none vs shown) and ratings volume (1.7K vs 5). Construction Calc Pro Lite's advantage is in-app purchases (none vs 10). On price, rating and device support 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. Construction Calc Pro Lite asks for nothing beyond the download.

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 4.8 for Construction Calc Pro Lite. That said, the two scores are not equally well evidenced: Builder's Helper MAX has 1.7K ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 73% of Builder's Helper MAX's written reviews are positive against 10% of Construction Calc Pro Lite's.

UpkeepUpdate frequency

Builder's Helper MAX ships an update monthly, Construction Calc Pro Lite every 4 months. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

Scorecard7 real differences · 3 level
Builder's Helper MAX versus Construction Calc Pro Lite: the parameters behind the verdict, then further details
ParameterBuilder's Helper MAXConstruction Calc Pro Lite
PriceFreeFree
Rating4.7 (1.7K ratings)4.8 (5 ratings) — better
Positive reviews72.5% of reviews — better9.5% of reviews
Number of ratings1.7K — better5
Update frequencyMonthly — betterEvery 4 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size71 MB89 MB
Age rating4+4+
DeveloperMy Pie InteractiveSnappy Appz Inc.

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 Calc Pro Lite

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive9.5%
Neutral0.0%
Negative90.5%

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 Calc Pro Lite

Not enough reviews yet to summarise bugs or requests.

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
None

Construction Calc Pro Lite

No in-app purchases

Questions

Is Builder's Helper MAX free?
Builder's Helper MAX is free to download, with in-app purchases available.
Is Construction Calc Pro Lite free?
Construction Calc Pro Lite is free to download, with no in-app purchases.
Which has better reviews, Builder's Helper MAX or Construction Calc Pro Lite?
Construction Calc Pro Lite is rated higher. Builder's Helper MAX averages 4.7 out of 5 from 1.7K ratings, while Construction Calc Pro Lite averages 4.8 from 5 ratings.
Do Builder's Helper MAX or Construction Calc Pro Lite have ads?
Construction Calc Pro Lite shows ads; Builder's Helper MAX does not.
Which is updated more often, Builder's Helper MAX or Construction Calc Pro Lite?
Builder's Helper MAX ships an update monthly, and Construction Calc Pro Lite every 4 months. Most recently, Builder's Helper MAX was updated on October 20, 2026 and Construction Calc Pro Lite on October 22, 2026.

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