Comparison

Carpenter Tools vs Craftmetry

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

Head to head
About

Carpenter Tools

This app simplifies carpentry calculations for framing, roofing, stairs, and more. Quickly get accurate measurements and material counts without complex formulas or spreadsheets. Ideal for on-site work, shop use, or estimating.

Highlights
  • Framing calculations
  • Rafter and roof calculations
  • Stair rise and run
  • Material count estimation
  • Imperial and metric units
  • Helpful diagrams
  • Optional cost fields
Features
Read full description

Every answer comes with a drawing. Change the wall length and the studs move on the plate. Change the rise and the stair redraws with its risers, treads and stringer, checked against common code limits. What you measured is in black; what you cut and buy is in red. Type it like you read the tape: feet, inches and fractions on a keypad built for lengths. • Wall framing, rough openings, rake walls, stud layout and square checks • Stairs, common rafters, hips and valleys • Decks, fences, concrete slabs, footings and post holes • Sheathing, drywall and flooring • Baseboard, casing, miters and crown, cabinet boxes, face frames and shelf pins • Tape calculator with memory, cut lists, board feet, triangles, arcs and plan scales Feet and inches, decimal feet or metric, on iPhone and iPad. Share any drawing as a picture with its numbers. Always check your local code before you cut.

About

Craftmetry

This app simplifies complex construction calculations for tradespeople. It provides tools for laying out gas and water systems, sizing decks and stairs, and checking voltage drop, turning code charts into easy-to-use field tools.

Highlights
  • Stair layout and stringer diagram
  • Gas line sizing with visual layout
  • Water line sizing and estimation
  • Deck joist and beam sizing
  • Voltage drop calculation
  • Residential system design tools
Features
Read full description

Craftmetry turns construction sizing tables and everyday jobsite math into fast, practical field tools for contractors, tradespeople, and serious DIYers. TOOLS INCLUDED Stair Calculator Calculate risers, treads, stair count, total rise, and layout. Review a detailed stringer-cut diagram and save named calculations. Square-Up Calculator Use the Pythagorean theorem to find a diagonal or missing side for square layouts and right triangles. Gas Line Sizing Quick-size natural gas and propane lines, or build a visual piping system with appliances, BTU loads, pipe lengths, and longest-length sizing guidance. Waterline Sizing Estimate PEX-A supply sizing from fixture demand or direct flow, and lay out separate hot and cold systems. Deck Joist Sizing Check common deck-joist sizing based on span, spacing, species, grade, and loading assumptions. Voltage Drop & Wire Size Estimate voltage drop or find a wire size that satisfies selected voltage-drop and ampacity limits. Save supported calculations and layouts on your device. Account sign-in can sync supported saved work and subscription access across Craftmetry on iPhone, iPad, and the web. Sign in to use web access, sync, or the account preview. Craftmetry provides reference calculations, not engineering or code-compliance approval. Always verify final designs with local codes, manufacturer specifications, and qualified professionals when required. Terms of Use (EULA): https://craftmetry.corvora.app/terms Privacy Policy: https://craftmetry.corvora.app/privacy

Screenshots

Carpenter Tools4 screens
Craftmetry4 screens

Verdict

The call

The clearest difference is update cadence: Craftmetry at every 11 days against Carpenter Tools's every 6 weeks. Carpenter Tools's advantage is ratings volume (8 vs 2). On price, rating, 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. Carpenter Tools sells 1 one-off in-app purchase and Craftmetry sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Carpenter Tools against 5.0 for Craftmetry. Both are backed by a comparable volume of ratings — 8 and 2 respectively.

UpkeepUpdate frequency

Carpenter Tools ships an update every 6 weeks, Craftmetry every 11 days. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 7 level
Carpenter Tools versus Craftmetry: the parameters behind the verdict, then further details
ParameterCarpenter ToolsCraftmetry
PriceFreeFree
Rating4.9 (8 ratings)5.0 (2 ratings) — better
Number of ratings8 — better2
Update frequencyEvery 6 weeksEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size3 MB72 MB
Age rating4+4+
DeveloperSergii NesterenkoLuke Kazmierowicz

Customer experience

Carpenter Tools

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Craftmetry

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Carpenter Tools

One-time1
  • Pro Upgrade$12.99
2 purchases

Craftmetry

Subscriptions2
  • Build Specs Pro7 Days trial$9.991 Month
  • Build Specs Pro7 Days trial$39.991 Year

Questions

Is Carpenter Tools free?
Carpenter Tools is free to download, with in-app purchases available.
Is Craftmetry free?
Craftmetry is free to download, with in-app purchases available.
Which has better reviews, Carpenter Tools or Craftmetry?
Craftmetry is rated higher. Carpenter Tools averages 4.9 out of 5 from 8 ratings, while Craftmetry averages 5.0 from 2 ratings.
Do Carpenter Tools or Craftmetry have ads?
Neither Carpenter Tools nor Craftmetry shows ads.
Which is updated more often, Carpenter Tools or Craftmetry?
Carpenter Tools ships an update every 6 weeks, and Craftmetry every 11 days. Most recently, Carpenter Tools was updated on October 17, 2026 and Craftmetry on October 9, 2026.

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