Comparison

Carpenter Tools vs Decks 3D

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

Decks 3D

Design and plan custom decks with detailed framing, 3D visualization, and exportable build documents. Supports various deck shapes and measurements for professional use.

Highlights
  • Design various deck shapes
  • Detailed framing and material lists
  • 3D visualization
  • Exportable blueprints and cut lists
  • Imperial and metric measurements
  • Offline project packages
Features
Read full description

Decks 3D is a framing-first deck builder for contractors, deck builders, remodelers, designers, and serious DIY users. Create a deck, generate the framing plan, review it in 3D, and export the build documents you need from iPhone or iPad. Build deck projects faster - Design straight, L-shaped, U-shaped, freestanding, wraparound, custom, gazebo, multi-level, and octagonal decks - Tune joist spacing, beam spacing, posts, footings, decking direction, stairs, railing, roof-over-deck concepts, and terrain notes - Work in imperial or metric measurements for field-friendly input See the structure clearly - Review live 2D deck plans with joists, beams, posts, footings, stairs, labels, and project metrics - Inspect the deck in 3D before you build - Check warnings, presentation notes, material quantities, and cut lists in one workspace Export and share locally - Save blueprint PDFs, material lists, cut lists, and offline project packages - Add white-label branding to exports with Decks 3D Pro - Keep projects, drafts, exports, and packages on device unless you choose to share them - No account required Built for real deck workflows Decks 3D focuses on framing clarity and deck-specific planning instead of generic home design tools. It is made for deck jobs, client walkthroughs, and faster field decisions on iPhone and iPad. Free and Pro Start free with straight deck projects. Decks 3D Pro unlocks all 9 deck shapes, blueprint PDF export, white-label exports, and advanced planning tools. Concept plans only. Verify spans, footings, and local code before construction or permit submission. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Carpenter Tools4 screens
Decks 3D4 screens

Verdict

The call

The clearest difference is rating: Carpenter Tools at 4.9 against Decks 3D's 1.0. Carpenter Tools also leads on ratings volume (8 vs 1). Decks 3D's advantage is update cadence (every 6 days vs every 6 weeks). On price, ads, in-app purchases and monetization model 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 Decks 3D sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Carpenter Tools holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Carpenter Tools has 8 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Carpenter Tools ships an update every 6 weeks, Decks 3D every 6 days. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 6 level
Carpenter Tools versus Decks 3D: the parameters behind the verdict, then further details
ParameterCarpenter ToolsDecks 3D
PriceFreeFree
Rating4.9 (8 ratings) — better1.0 (1 ratings)
Number of ratings8 — better1
Update frequencyEvery 6 weeksEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.6 — better
Further details — not scored
Size3 MB6 MB
Age rating4+4+
DeveloperSergii NesterenkoSebastin Michael

Customer experience

Carpenter Tools

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

Decks 3D

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

Carpenter Tools

One-time1
  • Pro Upgrade$12.99
2 purchases

Decks 3D

Subscriptions2
  • Pro Monthly$5.991 Month
  • Pro Annual$49.991 Year

Questions

Is Carpenter Tools free?
Carpenter Tools is free to download, with in-app purchases available.
Is Decks 3D free?
Decks 3D is free to download, with in-app purchases available.
Which has better reviews, Carpenter Tools or Decks 3D?
Carpenter Tools is rated higher. Carpenter Tools averages 4.9 out of 5 from 8 ratings, while Decks 3D averages 1.0 from 1 ratings.
Do Carpenter Tools or Decks 3D have ads?
Neither Carpenter Tools nor Decks 3D shows ads.
Which is updated more often, Carpenter Tools or Decks 3D?
Carpenter Tools ships an update every 6 weeks, and Decks 3D every 6 days. Most recently, Carpenter Tools was updated on October 17, 2026 and Decks 3D on October 7, 2026.

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