Comparison

Construction Calculator vs Hammer Construction Calculator

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

Head to head
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/

About

Hammer Construction Calculator

This app provides advanced construction calculations, including feet-inch-fraction math and specialized tools for various trades. It also offers material takeoff and PDF quote generation, with features for jobsite planning and notes.

Highlights
  • Feet-inch-fraction math with metric conversion
  • 20 specialized trade calculators with diagrams
  • Material takeoff and PDF quote generation
  • Jobsite plans and notes with blueprint support
  • Offline functionality
  • Customizable rounding and unit support
Read full description

The construction calculator that finishes the job: feet-inch-fraction math, 20 trade calculators, and a material takeoff that turns into a professional PDF quote — all in one app. WHY PROS SWITCH TO HAMMERCALC FEET-INCH-FRACTION MATH, DONE RIGHT - Mix feet, inches, millimeters, and meters in one calculation - Tape-measure fraction strip: tap or slide to enter 1/16s faster than typing - Results in feet-inches AND metric, side by side - Custom rounding: 1/16", 1/32", 1/64", or decimal 20 TRADE CALCULATORS — EACH WITH A LIVE DIAGRAM - Framing: rafters (hip/valley/jack cut lists, birdsmouth), roof squares & flashing, wall framing with stud counts, rake walls - Stairs: rise, run, stringers — with IRC code checks built in (max riser, tread, headroom, 2R+T comfort) - Outdoor: decks, fences (incl. chain-link), concrete bags/yards/rebar, baluster spacing (4" sphere rule) - Finishes: drywall, paint, tile, flooring, siding - Layout & lumber: square footage with cutouts, board feet & cost, cut list optimizer (fewest boards, least waste), compound miter/crown, triangle & pitch, circle/arc layout - Every field label explains itself — long-press for a diagram FROM CALCULATION TO QUOTE — NO OTHER CALCULATOR DOES THIS - One tap sends any tool's material list to a project takeoff - Buy-list smarts: rounds up to lengths the yard actually sells, never orders short - Check off materials on site as you load the truck - Price book remembers what you paid last time - Add labor, markup, and tax — export a branded PDF quote with your logo - Share as PDF, CSV, or plain text PLANS & NOTES ON THE JOBSITE - Load blueprint PDFs and photos — auto-saves your page, zoom, and position - Job notes with one-tap capture of any calculation - Quick links to your building codes and span tables BUILT FOR THE FIELD - Works fully offline. No ads. No popups. No data collection. - Dark mode for early starts, haptic keys, 12 accent colors - English & Español — switch live in Settings - iPhone, iPad, and Mac PERFECT FOR Carpenters • Framers • Contractors • Remodelers • Deck builders • Estimators • Engineers • Machinists • Architects • Serious DIYers TRY IT FREE FOR 7 DAYS Full access to everything. No commitment — cancel anytime. A subscription is required after the trial. Auto-renews unless canceled 24 hours before the period ends. Manage or cancel in Settings > [Your Apple ID] > Subscriptions. Support: hammercalc@gmail.com Terms: https://www.hammerstorm.co/terms Privacy: https://www.hammerstorm.co/privacy

Screenshots

Construction Calculator4 screens
Hammer Construction Calculator3 screens

Verdict

The call

The clearest difference is review sentiment: Construction Calculator at 54% against Hammer Construction Calculator's 0%. Construction Calculator also leads on rating (4.7 vs 3.0) and update cadence (every 5 days vs every 6 weeks). On price, ads, in-app purchases and monetization model 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 Calculator sells 8 in-app purchases, starting at $4.99 per month and Hammer Construction Calculator sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Construction Calculator holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Construction Calculator has 672 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 54% of Construction Calculator's written reviews are positive against 0% of Hammer Construction Calculator's.

UpkeepUpdate frequency

Construction Calculator ships an update every 5 days, Hammer Construction Calculator every 6 weeks. The most recent releases landed on October 26, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
Construction Calculator versus Hammer Construction Calculator: the parameters behind the verdict, then further details
ParameterConstruction CalculatorHammer Construction Calculator
PriceFreeFree
Rating4.7 (672 ratings) — better3.0 (3 ratings)
Positive reviews53.7% of reviews — better0.0% of reviews
Number of ratings672 — better3
Update frequencyEvery 5 days — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS16.416.0 — better
Further details — not scored
Size50 MB39 MB
Age rating4+4+
DeveloperxNeat.comgarrett hiebert

Customer experience

Construction Calculator

All ratings669 ratings
Positive91.3%
Neutral3.3%
Negative5.4%
Written reviews136 reviews
Positive53.7%
Neutral4.4%
Negative41.9%

Hammer Construction Calculator

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

Bugs and requests

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

Hammer Construction Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
2 purchases

Hammer Construction Calculator

Subscriptions2
  • HammerCalc Monthly7 Days trial$3.991 Month
  • HammerCalc Yearly7 Days trial$24.991 Year

Questions

Is Construction Calculator free?
Construction Calculator is free to download, with in-app purchases available.
Is Hammer Construction Calculator free?
Hammer Construction Calculator is free to download, with in-app purchases available.
Which has better reviews, Construction Calculator or Hammer Construction Calculator?
Construction Calculator is rated higher. Construction Calculator averages 4.7 out of 5 from 672 ratings, while Hammer Construction Calculator averages 3.0 from 3 ratings.
Do Construction Calculator or Hammer Construction Calculator have ads?
Neither Construction Calculator nor Hammer Construction Calculator shows ads.
Which is updated more often, Construction Calculator or Hammer Construction Calculator?
Construction Calculator ships an update every 5 days, and Hammer Construction Calculator every 6 weeks. Most recently, Construction Calculator was updated on October 26, 2026 and Hammer Construction Calculator on October 7, 2026.

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