Comparison

ITO 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

ITO

Read full description

ITO-e es una plataforma digital para el control en línea de proyectos de construcción. Mediante ITO-e app es posible efectuar inspecciones en terreno, generando avances automáticos al proyecto, junto con actualizaciones de libro de obra digital, y estados de pago.

About

Construction Calculator

This app provides a comprehensive suite of tools for construction professionals and DIY enthusiasts, offering precise calculations for decking, roofing, stairs, concrete, and more. It simplifies complex measurements and material takeoffs, ensuring accuracy and efficiency on the job site, even offline.

Highlights
  • Decking and flooring calculations
  • Roofing material and coverage estimators
  • Stair and stringer rise/run calculations
  • Concrete and volume estimators
  • Unit conversion for mixed units
  • Offline functionality
Read full description

Build faster, measure smarter. Pro² is a complete construction calculator for decking, roofing, concrete, stairs, framing and precise on-site measurements. It’s made for builders, carpenters, contractors and serious DIY who need accurate answers in seconds. DECKING & FLOORING • Area, board runs, spacing and waste allowance • Material takeoff for boards and joists ROOFING (METAL & TILE) • Coverage and sheet/tile counts • Overhangs, pitch, angle and rafter length helpers STAIRS & STRINGERS • Rise/run, slope %, angle (°) and stringer length • Clear breakdowns and step-by-step visuals BALUSTERS, RAILING & EVEN SPACING • Perfect marks from 0 to full length • Spacing tables for clean, consistent layouts CONCRETE, ASPHALT, GRAVEL & SOIL • Volume estimators for slabs, pads, footings and fills • Smart rounding for real-world quantities SLOPE, PITCH & ANGLES • Fast framing helpers for cuts and layout • Metric and imperial support in every tool UNIT CONVERTER • Length, area, volume, density and weight • Built for mixed-unit jobs (mm, ft, inches) QUICK CALCULATOR • Running history with one-tap copy/share MADE FOR THE JOBSITE • Fraction support and practical defaults • Works fully offline—no signal required • Clean visuals that stay readable outdoors WHY PROS USE PRO² • One app instead of juggling multiple separate tools • Accurate results, simple inputs and clear diagrams • New tools and improvements arrive regularly based on user feedback Pro² is built for professional construction, carpentry, decking, roofing and framing work—yet intuitive enough for DIY home projects. Upgrade to unlock additional tools and advanced features when you’re ready to grow your toolkit. SUBSCRIPTION TERMS • Carpenter Pro is an optional auto-renewing subscription with Weekly and Annual plans. • A 3-day free trial is available on the Annual plan. • Payment is charged to your Apple ID and subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. • You can manage or cancel your subscription in your App Store account settings. • Lifetime is a one-time purchase and does not auto-renew. • The localized price is shown in-app before you confirm. Terms of Use (Apple EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://shapkin.dev/apps/carpenter/privacy.html

Screenshots

ITO4 screens
Construction Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: ITO at none against Construction Calculator's 10. ITO also leads on iOS requirement (15.1 vs 18.0). On price 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 10 in-app purchases, starting at $2.99 per 7 days. ITO asks for nothing beyond the download.

Scorecard2 real differences · 8 level
ITO versus Construction Calculator: the parameters behind the verdict, then further details
ParameterITOConstruction Calculator
PriceFreeFree
Rating—4.8 (24 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—24 — better
Update frequency—Every 2 weeks
Ads—No
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Devices—iPhone — better
Requires iOS15.1 — better18.0
Further details — not scored
Size36 MB60 MB
Age rating4+4+
DeveloperInversiones ITO-e SpAShapkin Dev

In-app purchases

None

ITO

No in-app purchases

10 purchases

Construction Calculator

Subscriptions4
  • Carpenter PRO - Weekly$2.997 Days
  • Full Access — Weekly$5.997 Days
  • Carpenter PRO — Annual3 Days trial$19.991 Year
Show 1 more
  • Full Access3 Days trial$39.991 Year
One-time6
  • Right Triangle & Pitch Calculator$3.99
  • Running Measurements Calculator$3.99
  • Unit Converter: Feet & Metric$3.99
Show 3 more
  • Paint Area Coverage Estimator$3.99
  • Lifetime Access$39.99
  • Lifetime Access$79.99

Questions

Is ITO free?
ITO is free to download, with no in-app purchases.
Is Construction Calculator free?
Construction Calculator is free to download, with in-app purchases available.

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