Comparison

Construction Master Pro Calc vs Trashporters

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

Head to head
About

Construction Master Pro Calc

This app is a powerful construction calculator designed for professionals working with dimensions. It offers a wide range of solutions for dimensional math, right angle calculations, area and volume, and special functions, helping to improve speed and accuracy in layouts, bids, and estimates.

Highlights
  • Dimensional math and conversions
  • Right angle and rafter calculations
  • Area and volume solutions
  • Full trigonometric functions
  • Built-in user's guide and help
  • Save and share calculations
  • Project notes and attachments
Features
Read full description

FREE Try Before You Buy 14 Day Trial; your App Store account is not charged by Apple during the free trial. Rated 4.8 stars with over 1.12M downloads. The trusted construction calculator used by professionals across the US and the world. The go-to feet-inch-fraction calculator for framers, contractors, and builders. Includes Construction Master Pro and Construction Master Pro Trig in one app, with the CMPro Training Guide built in. Built with the same core engine that powers the industry-standard advanced construction-math calculators from Calculated Industries. Award-winning tools trusted by the industry for 40 years. BUILT FOR THE JOBSITE • Framers and carpenters: rafter cuts, stair layouts, lumber quantities, and framing calculations on the job • Builders and general contractors: estimates, material takeoffs, and building layouts • Concrete and masonry: footing volume, block counts, and unit conversions • Roofing contractors: bundles, squares, pitch, and slope in seconds WHY PROFESSIONALS CHOOSE CONSTRUCTION MASTER® PRO • Powerful built-in calculations make CMPro ideal for completing layouts, plans, bids, and estimates • Work in and convert between all common building dimensional formats US & Metric • Built-in right angle functions simplify square-ups, rafters, slopes, and more • Handles framing, roofing, concrete, lumber, and stair calculations in one app • Full trigonometric functions for advanced construction math BUILT-IN SOLUTIONS • Dimensional Math and Conversions • Feet-Inch-Fraction, Inch Fraction, Yards • Decimal Feet and Inches (10ths, 100ths) • Preset Fractions (1/2" through 1/64") • D:M:S, Decimal Degree Entry and Conversions • Full Metric Function (m, cm, mm) RIGHT ANGLE SOLUTIONS • Complete Right Angle/Rafter Calculations • Pitch Key (Slope and Grade) • Rise, Run, Diagonal/Common Rafter Keys • Regular and Irregular Hip/Valley & Jack Rafter Keys • Rafter Cutting Angles (Plumb, Cheek, and Level Cuts) • Stair Layouts (including – Riser Limit, Stairwell Opening, Headroom, Floor Thickness) • Rake-Wall (including Arched) AREA AND VOLUME SOLUTIONS • Square and Cubic • Roof – Bundles, Squares, 4x8 Sheets, Pitch, Plan Area • Drywall, Siding and Paneling 4x8, 4x9 and 4x12 • Column/Cone Area and Volume -- • Basic & Advanced Circular Calculations • Weight per Volume Conversions • Length, Width, and Height Keys • Blocks, Footings SPECIAL FUNCTIONS • Trigonometric Function Keys: Sine, Cosine, Tangent, Arcsine, Arccosine, Arctangent • Board Feet • Studs: Find number On-center • User-Definable Preferences • Cost per Unit (total costs based on unit price) • Equal-Sided Polygon • Compound Miters • Crown Angle • Advanced Paperless Tape APP-ENHANCED FEATURES • Ask CMPro – exact steps for any calculation. AI built on CMPro’s 40 years of proven math • CMPro Toolbelt -- quick access to every tool, customizable for your workflow • Fast Fractions Mode -- dedicated fraction keys for faster, more precise entry • Materials Mode -- streamlined estimating for drywall, roofing, lumber, and more • Project Notes -- create text or voice-to-text notes, set up folders by project or client, add attachments, and share with your crew • EZ Calcs – 100+ forms-based calculators with illustrations for framing, concrete, roofing quantities, and much more. • Searchable Help and how-to videos • Context-sensitive Help -- press and hold any function key for Help text, diagrams, and videos • Save and share calculations and outputs (e.g., cut lists) with others on your crew • Bosch GLM integration -- send measured values into live calculations or Notes SUBSCRIPTION INFORMATION Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Manage or cancel in Apple account Settings > Account (Apple ID) > Subscriptions. TRADEMARKS Construction Master® and Calculated Industries® are registered trademarks of Calculated Industries, Inc. Copyright 2026

About

Trashporters

This app helps junk haulers build their business by connecting them with customers. Customers sign up via a unique link, and jobs are offered to haulers first. It also allows for partner deals based on customer spending.

Highlights
  • Customer acquisition via unique QR code/link
  • Receive job offers directly
  • Choose jobs based on schedule
  • Offer partner deals to customers
  • Build community through word of mouth
Features
Read full description

Build your community by word of mouth, getting customers to sign up using your unique QR code or link so you become their preferred junk hauler. Every job they need done comes directly to you first, if you can take it on in their requested time frame, great! If not, it will go to all available junk haulers to accommodate them. Fill up your schedule by picking and choosing jobs that best fits your schedule! Grant customers access to E&C Trashporter partner deals based on how much they spend and their frequency with doing business with you on the Trashporter app.

Screenshots

Construction Master Pro Calc4 screens
Trashporters3 screens

Verdict

The call

The clearest difference is in-app purchases: Trashporters at none against Construction Master Pro Calc's 10. Trashporters also leads on update cadence (every 2 days vs every 3 weeks). Construction Master Pro Calc's advantage is ratings volume (41K vs 1) and chart position (#43 vs unranked). On price, rating, ads 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. Construction Master Pro Calc sells 4 in-app purchases, starting at $4.99 per month. Trashporters asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Trashporters holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Construction Master Pro Calc has 41K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Construction Master Pro Calc ships an update every 3 weeks, Trashporters every 2 days. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 6 level
Construction Master Pro Calc versus Trashporters: the parameters behind the verdict, then further details
ParameterConstruction Master Pro CalcTrashporters
PriceFreeFree
Rating4.8 (41K ratings)5.0 (1 ratings) — better
Positive reviews60.2% of reviews—
Number of ratings41K — better1
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#43 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size111 MB4 MB
Age rating12+4+
DeveloperCalculated IndustriesEasy & Convenient Trashporter, Inc.

Customer experience

Construction Master Pro Calc

All ratings40,354 ratings
Positive96.4%
Neutral1.2%
Negative2.4%
Written reviews327 reviews
Positive60.2%
Neutral5.2%
Negative34.6%

Trashporters

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Construction Master Pro Calc

Reported bugs

3 issues
  • Crashes or freezes on certain devices
  • Calculation errors in some scenarios
  • Inconsistent behavior after updates

Requested features

5 requests
  • Add metric unit support
  • Offer one-time purchase option
  • Improve backup and data transfer
  • Add more customization options
  • Enhance overall user experience

Trashporters

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Construction Master Pro Calc

Subscriptions4
  • 1 Month Full Access14 Days trial4 variants$4.991 Month
  • 1 Month Full Access7 Days trial$4.991 Month
  • 1 Year Full Access14 Days trial4 variants$39.991 Year
Show 1 more
  • 1 Year Full Access7 Days trial$39.991 Year
None

Trashporters

No in-app purchases

Questions

Is Construction Master Pro Calc free?
Construction Master Pro Calc is free to download, with in-app purchases available.
Is Trashporters free?
Trashporters is free to download, with no in-app purchases.
Which has better reviews, Construction Master Pro Calc or Trashporters?
Trashporters is rated higher. Construction Master Pro Calc averages 4.8 out of 5 from 41K ratings, while Trashporters averages 5.0 from 1 ratings.
Do Construction Master Pro Calc or Trashporters have ads?
Neither Construction Master Pro Calc nor Trashporters shows ads.
Which is updated more often, Construction Master Pro Calc or Trashporters?
Construction Master Pro Calc ships an update every 3 weeks, and Trashporters every 2 days. Most recently, Construction Master Pro Calc was updated on November 11, 2026 and Trashporters on October 31, 2026.

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