Comparison

Carpentry Calculator vs Concrete Calculator Tools

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

Head to head
About

Carpentry Calculator

This app simplifies complex calculations for carpenters, builders, and DIY enthusiasts. It handles tasks like roofing, stairs, and decking, offering both metric and imperial units. Visual aids and detailed measurements enhance accuracy and efficiency on any project.

Highlights
  • Roofing calculations
  • Stair and decking measurements
  • Concrete slab and post hole calculations
  • Raked wall and balustrade design
  • Trigonometry functions
  • Metric and imperial unit support
  • Light and dark mode options
Features
Read full description

The Carpentry Calculator is a must-have tool for all carpenters, builders, handymen and DIYers. This handy app makes light work of any tricky calculations, using either metric or imperial units. It is simple and easy to use, but very powerful. All screens have help available and the app can be switched easily between light and dark modes. The app will complete difficult calculations for roofing, stairs, raked walls, concrete post holes and slabs, concrete stairs, cladding, decking, balustrades (level and raked), trigonometry and that's just the tip of the iceberg. What separates us from the rest is the attention to detail. Most functions will even draw your work and give you a list of running measurements so you know exactly what you are marking out. The Carpentry Calculator will improve efficiency and productivity on the worksite leading to a faster, more accurate and therefore more profitable job. No more scratching your head or pulling out the old textbooks to try remember how to calculate something. Download and see for yourself!

About

Concrete Calculator Tools

This app simplifies concrete volume calculations for professionals and DIYers. It offers flexible unit support and a free rectangular slab calculator, with advanced features available via subscription.

Highlights
  • Flexible unit support (metric/imperial)
  • Rectangular slab calculator (free)
  • Circular slab calculator
  • Circular column calculator
  • Post hole calculator
  • Slab from area calculator
Features
Read full description

Concrete Calculator is the essential app for concreters, builders, contractors, and DIY enthusiasts who want to make concrete calculations quick and easy on the job site. Use your iPhone or iPad—Concrete Calculator is built for you. With a simple, easy-to-use design, Concrete Calculator helps you focus on the pour while the app handles the math. Perfect for Architects, Builders, Concreters, Construction Workers, Contractors, Designers, Engineers, Landscapers, and anyone who needs fast, accurate concrete estimates with ease. Concrete Calculator can save you time and money by reducing errors and material waste on site. WHY CONCRETE CALCULATOR? At Concrete Calculator, our mission is to create best-in-class concrete calculation tools. We’re working toward a sustainable business model so we can keep adding new features and saving you time and money on every job. FEATURES • Flexible Unit Support - Enter dimensions in metric or imperial (feet, inches) and get results in cubic metres, cubic feet, or cubic yards • Rectangular Slab Calculator (Free) - Our core calculator is free forever. Quickly calculate the concrete volume needed for rectangular or square slabs. Ideal for house slabs, patios, driveways, and foundations. PREMIUM FEATURES (Requires Concrete Tools Pro Subscription) • Circular Slab Calculator - Easily calculate concrete for circular slabs, footings, and bases. • Circular Column Calculator - Get the precise concrete volume for circular columns and piers. • Post Hole Calculator - Quickly calculate concrete for one or more post holes, ideal for fencing and decking projects. • Slab from Area Calculator - Great for irregular shapes. Enter the total area and depth to get an instant concrete volume calculation. FEEDBACK If there’s a calculator you’d like to see added, please email feedback@concretecalculator.app. NO ADS EVER We believe that if you’re paying for an app, it should deliver the best experience possible and be ad-free. That’s why Concrete Calculator will always have no ads. SUPPORT Have feedback or questions? We’d love to hear from you! Email us at support@concretecalculator.app. If Concrete Calculator helps you on the job, we’d appreciate an App Store review. Your review helps others find Concrete Calculator. Terms of Service: https://www.concretecalculator.app/en/legal/terms/ Privacy Policy: https://www.concretecalculator.app/en/legal/privacy/ Proudly made in Australia.

Screenshots

Carpentry Calculator4 screens
Concrete Calculator Tools4 screens

Verdict

The call

The clearest difference is review sentiment: Carpentry Calculator at 71% against Concrete Calculator Tools's 0%. Carpentry Calculator also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). Concrete Calculator Tools's advantage is ratings volume (51 vs 1). On price, update cadence, in-app purchases 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. Carpentry Calculator sells 2 one-off in-app purchases and Concrete Calculator Tools sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Carpentry Calculator holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Concrete Calculator Tools has 51 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of Carpentry Calculator's written reviews are positive against 0% of Concrete Calculator Tools's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard6 real differences · 4 level
Carpentry Calculator versus Concrete Calculator Tools: the parameters behind the verdict, then further details
ParameterCarpentry CalculatorConcrete Calculator Tools
PriceFreeFree
Rating5.0 (1 ratings) — better4.7 (51 ratings)
Positive reviews71.4% of reviews — better0.0% of reviews
Number of ratings151 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size23 MB39 MB
Age rating4+4+
DeveloperMatthew SpencerPeth Pty Ltd

Customer experience

Carpentry Calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive71.4%
Neutral28.6%
Negative0.0%

Concrete Calculator Tools

All ratings51 ratings
Positive92.2%
Neutral0.0%
Negative7.8%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

2 purchases

Carpentry Calculator

One-time2
  • Discounted upgrade$3.49
  • Upgrade to paid version$4.99
4 purchases

Concrete Calculator Tools

Subscriptions3
  • Weekly Pro3 Days trial$3.997 Days
  • Monthly Pro$5.991 Month
  • Annual Pro$19.991 Year
One-time1
  • One-Time Purchase$85.00

Questions

Is Carpentry Calculator free?
Carpentry Calculator is free to download, with in-app purchases available.
Is Concrete Calculator Tools free?
Concrete Calculator Tools is free to download, with in-app purchases available.
Which has better reviews, Carpentry Calculator or Concrete Calculator Tools?
Carpentry Calculator is rated higher. Carpentry Calculator averages 5.0 out of 5 from 1 ratings, while Concrete Calculator Tools averages 4.7 from 51 ratings.
Do Carpentry Calculator or Concrete Calculator Tools have ads?
Concrete Calculator Tools shows ads; Carpentry Calculator does not.
Which is updated more often, Carpentry Calculator or Concrete Calculator Tools?
Carpentry Calculator ships an update every 2 months, and Concrete Calculator Tools every 2 months. Most recently, Carpentry Calculator was updated on November 3, 2026 and Concrete Calculator Tools on November 4, 2026.

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