Comparison

The Chippy Calc 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

The Chippy Calc

This app provides carpenters, builders, and DIYers with precise, visual construction calculations. It offers specialized tools for stairs, decks, rafters, and more, with support for both metric and imperial units. All calculations can be saved and accessed offline.

Highlights
  • Visual results with scaled diagrams
  • Metric and imperial unit support
  • Offline functionality
  • 14+ specialized construction calculators
  • Stair, deck, and rafter calculations
  • Linear cut list optimization
Features
Read full description

The Chippy Calc helps carpenters, builders, and DIYers work faster with precise, visual calculations. See measurements clearly on screen, switch seamlessly between metric and imperial, and keep your work saved for later — even when you are offline. Built by a qualified carpenter in Melbourne, the app focuses on real site workflows. Calculations are paired with scaled diagrams so you can verify inputs at a glance and reduce mistakes. Key capabilities: - Visual results alongside every calculation - Universal units with metric and imperial support - Works fully offline for on-site use - 17+ specialized calculators designed for construction tasks Popular calculators include: - Stair calculator for rise/run, step count, and stringer details - Decking calculator for boards, picture frames, overhangs, fascia, and screws - Rafter calculator for lengths, plumb/seat cuts, tails, and pitch for gable and skillion - Housed stringers for stopped or through housings with detailed set-out diagrams - Arc calculator for radius, diameter, chord, rise, arc length, and wall offsets - Slope and fall for gradients, ratios, levels, and drainage runs - Balustrade spacing for compliant gaps and end margins - Even spacing to distribute items with equal end gaps or center options - Linear cut list to optimize stock lengths and reduce waste - Right angle and oblique triangle solvers - Slab and concrete for holes, piers, slabs, and beams - Raked walls for precise stud lengths on sloped walls Who it is for: - Carpenters and tradies who need reliable, fast results - Builders, site supervisors, apprentices, and DIY homeowners Support: - Help guides are included for each calculator - Contact: support@thechippycalc.com - Privacy: https://thechippycalc.com/privacy Build smarter. Calculate faster. See your measurements clearly with The Chippy Calc. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Construction Calculator

This app provides a comprehensive suite of tools for construction professionals and DIY enthusiasts. It offers precise calculations for decking, roofing, stairs, concrete, and more, with support for both metric and imperial units. Designed for jobsite use, it works offline and provides clear visuals for accurate on-site measurements.

Highlights
  • Decking and flooring calculations
  • Roofing material and coverage estimators
  • Stair and stringer rise/run calculations
  • Concrete, asphalt, and gravel volume estimators
  • Slope, pitch, and angle framing helpers
  • Unit converter with mixed-unit support
  • 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

The Chippy Calc4 screens
Construction Calculator4 screens

Verdict

The call

The clearest difference is update cadence: Construction Calculator at every 2 weeks against The Chippy Calc's every 2 months. Construction Calculator also leads on rating (4.8 vs 4.5) and ratings volume (24 vs 2). The Chippy Calc's advantage is iOS requirement (16.4 vs 18.0). On price, review sentiment, ads and in-app purchases 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. The Chippy Calc sells 3 in-app purchases, starting at $3.99 per month and Construction Calculator sells 15 in-app purchases, starting at $2.99 per 7 days. 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, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Construction Calculator has 24 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

The Chippy Calc ships an update every 2 months, Construction Calculator every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
The Chippy Calc versus Construction Calculator: the parameters behind the verdict, then further details
ParameterThe Chippy CalcConstruction Calculator
PriceFreeFree
Rating4.5 (2 ratings)4.8 (24 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings224 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better18.0
Further details — not scored
Size76 MB62 MB
Age rating4+4+
DeveloperVike Digital Pty LtdShapkin Dev

Customer experience

The Chippy Calc

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Construction Calculator

All ratings23 ratings
Positive95.7%
Neutral0.0%
Negative4.3%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

The Chippy Calc

Subscriptions2
  • Monthly3 Days trial$3.991 Month
  • Annually$19.991 Year
One-time1
  • Lifetime Premium Access$79.99
15 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 Access — Annual3 Days trial$39.991 Year
One-time11
  • RL Level & Benchmark Calculator$3.99
  • Gravel Volume Calculator$3.99
  • Stair Stringer & Rise Run Calc$3.99
Show 8 more
  • Soil Excavation Volume Calculator$3.99
  • Asphalt Tonnage Calculator$3.99
  • Right Triangle & Pitch Calculator$3.99
  • Running Measurements Calculator$3.99
  • Unit Converter: Feet & Metric$3.99
  • Paint Area Coverage Estimator$3.99
  • Lifetime Access$39.99
  • Lifetime Access$79.99

Questions

Is The Chippy Calc free?
The Chippy Calc 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, The Chippy Calc or Construction Calculator?
Construction Calculator is rated higher. The Chippy Calc averages 4.5 out of 5 from 2 ratings, while Construction Calculator averages 4.8 from 24 ratings.
Do The Chippy Calc or Construction Calculator have ads?
Neither The Chippy Calc nor Construction Calculator shows ads.
Which is updated more often, The Chippy Calc or Construction Calculator?
The Chippy Calc ships an update every 2 months, and Construction Calculator every 2 weeks. Most recently, The Chippy Calc was updated on October 24, 2026 and Construction Calculator on October 25, 2026.

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