Comparison

TDCA 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

TDCA

Easily estimate the materials needed for decks, terraces, or docks. Select timber types and deck shapes to get a material quantity estimate. Includes inspirational photos and an FAQ section.

Highlights
  • Material quantity estimation
  • Timber type selection
  • Deck shape selection
  • Email material lists
  • Inspirational construction photos
  • FAQ section
Features
Read full description

With the new Timber Decking and Cladding Association app TDCA, you can easily estimate the kind and quantity of materials you need to purchase to construct a center deck, terrace or docking facility. You can find the correct type of timber for your construction, select a deck shape and get an estimate of the quantity of deckboard, joists, oil and fixings you require, and e-mail this list of materials to others. The app also contains photos of constructions to inspire you, and an FAQ (Frequently Asked Questions) section. If you've never before constructed a deck, this app can help you get started, and for professionals, here's an app that gives you a quick estimate on-site. This app is free and since it's an iPhone app, it can be used on an iPad as well.

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

TDCA4 screens
Decks 3D4 screens

Verdict

The call

The clearest difference is rating: TDCA at 2.0 against Decks 3D's 1.0. TDCA also leads on in-app purchases (none vs 2) and iOS requirement (7.0 vs 17.6). Decks 3D's advantage is update cadence (every 6 days vs every 2 months). On price, ratings volume, ads 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. Decks 3D sells 2 in-app purchases, starting at $5.99 per month. TDCA asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TDCA holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

TDCA ships an update every 2 months, Decks 3D every 6 days. The most recent releases landed on September 22, 2026 and August 17, 2026 respectively.

Scorecard5 real differences · 5 level
TDCA versus Decks 3D: the parameters behind the verdict, then further details
ParameterTDCADecks 3D
PriceFreeFree
Rating2.0 (1 ratings) — better1.0 (1 ratings)
Positive reviews0.0% of reviews—
Number of ratings11
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS7.0 — better17.6
Further details — not scored
Size7 MB6 MB
Age rating4+4+
DeveloperAVIASebastin Michael

Customer experience

TDCA

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Decks 3D

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

In-app purchases

None

TDCA

No in-app purchases

2 purchases

Decks 3D

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

Questions

Is TDCA free?
TDCA is free to download, with no in-app purchases.
Is Decks 3D free?
Decks 3D is free to download, with in-app purchases available.
Which has better reviews, TDCA or Decks 3D?
TDCA is rated higher. TDCA averages 2.0 out of 5 from 1 ratings, while Decks 3D averages 1.0 from 1 ratings.
Do TDCA or Decks 3D have ads?
Neither TDCA nor Decks 3D shows ads.
Which is updated more often, TDCA or Decks 3D?
TDCA ships an update every 2 months, and Decks 3D every 6 days. Most recently, TDCA was updated on September 22, 2026 and Decks 3D on August 17, 2026.

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