Carpenter Tools vs Craftmetry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Framing calculations
- Rafter and roof calculations
- Stair rise and run
- Material count estimation
- Imperial and metric units
- Helpful diagrams
- Optional cost fields
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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.
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.
- 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
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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
Verdict
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
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.
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.
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.
| Parameter | Carpenter Tools | Craftmetry |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (8 ratings) | 5.0 (2 ratings) — better |
| Number of ratings | 8 — better | 2 |
| Update frequency | Every 6 weeks | Every 11 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | Sergii Nesterenko | Luke Kazmierowicz |
Customer experience
Carpenter Tools
Craftmetry
In-app purchases
Carpenter Tools
- Pro Upgrade$12.99
Craftmetry
- Build Specs Pro7 Days trial$9.991 Month
- Build Specs Pro7 Days trial$39.991 Year
Questions
Is Carpenter Tools free?
Is Craftmetry free?
Which has better reviews, Carpenter Tools or Craftmetry?
Do Carpenter Tools or Craftmetry have ads?
Which is updated more often, Carpenter Tools or Craftmetry?
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