Comparison

TDCA vs Chippy Tools

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

Chippy Tools

This app simplifies complex calculations for construction professionals. It offers a variety of tools for tasks like spacing, measurements, and material estimation, helping to reduce errors and save time on job sites. Available on iPhone and iPad, it aims to be an essential tool for tradespeople.

Highlights
  • Baluster spacing calculator
  • Flat run attached baluster calculator
  • Square calculator
  • Concrete calculator
  • Stair calculator
  • Supports millimeters, feet, and inches
Features
Read full description

Chippy Tools is the must-have calculator for carpenters and handy folks looking to simplify math on the job. Whether you're on your iPhone or iPad, Chippy Tools is for you. Its user-friendly design lets you focus on carpentry while the app handles the math. Perfect for architects, builders, carpenters, construction workers, contractors, designers, engineers, tradespeople, and woodworkers of all kinds, Chippy Tools speeds up common calculations with precision. Save time and cut costs by reducing site errors. WHAT IS A CHIPPY? In Australia, carpenters are often called Chippy. WHY CHIPPY TOOLS? Our mission at Chippy Tools is to redefine top-notch apps for carpenters. We aim to develop a sustainable business model, adding new calculations to keep saving you time and money. FEATURES • Baluster spacing calculator - Quickly calculate spacing for flat runs. • Flat run attached baluster calculator - Simple, fast calculations for attached balusters. • Supports millimeters, feet, and inches. PREMIUM FEATURES (Requires Subscription) • Square calculator - Ensure structures are perfectly square. • Concrete calculator - Calculate concrete needed for slabs and posts. • Dumpy level calculator - Find relative level from benchmarks. • Equal spacing calculator - Calculate even spacing effortlessly. • Gravel calculator - Determine gravel volume needed. • Pitch calculator - Calculate pitch with rise and run. • Raked wall calculator - Measure raked walls using height or pitch. • Running calculations - Enter start number and interval. • Soil calculator - Find soil volume for landscaping. • Stair calculator - Calculate going, stringer, and rise for stairs. • Triangle calculator - Solve triangle measurements with ease. FEEDBACK Want a new calculator? Email us at feedback@chippy.tools. NO ADS EVER We promise no ads in Chippy Tools. Enjoy the best experience for your purchase. SUPPORT Got questions or feedback? Contact us for free tech support at support@chippy.tools. If Chippy Tools aids you, please leave an App Store review to help others find it. Subscription Terms of Service: https://chippy.tools/terms/ Proudly made in Brisbane, Australia.

Screenshots

TDCA4 screens
Chippy Tools4 screens

Verdict

The call

The clearest difference is review sentiment: Chippy Tools at 55% against TDCA's 0%. Chippy Tools also leads on rating (4.5 vs 2.0) and update cadence (every 8 days vs every 2 months). TDCA's advantage is in-app purchases (none vs 10) and iOS requirement (7.0 vs 16.0). On price, 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. Chippy Tools sells 9 in-app purchases, starting at $2.99 per 7 days. TDCA asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Chippy Tools holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: Chippy Tools has 907 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of TDCA's written reviews are positive against 55% of Chippy Tools's.

UpkeepUpdate frequency

TDCA ships an update every 2 months, Chippy Tools every 8 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
TDCA versus Chippy Tools: the parameters behind the verdict, then further details
ParameterTDCAChippy Tools
PriceFreeFree
Rating2.0 (1 ratings)4.5 (907 ratings) — better
Positive reviews0.0% of reviews54.8% of reviews — better
Number of ratings1907 — better
Update frequencyEvery 2 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS7.0 — better16.0
Further details — not scored
Size7 MB46 MB
Age rating4+4+
DeveloperAVIAPeth Pty Ltd

Customer experience

TDCA

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

Chippy Tools

All ratings907 ratings
Positive88.5%
Neutral3.0%
Negative8.5%
Written reviews62 reviews
Positive54.8%
Neutral4.8%
Negative40.3%

Bugs and requests

TDCA

Not enough reviews yet to summarise bugs or requests.

Chippy Tools

Reported bugs

2 issues
  • Square check feature not working
  • Measurements disappear after partial use

Requested features

4 requests
  • Add more construction-related calculators
  • Improve stair and rafter tools
  • Include material quantity estimations
  • Add support for metric and imperial units

In-app purchases

None

TDCA

No in-app purchases

9 purchases

Chippy Tools

Subscriptions8
  • Chippy Tools Pro - Weekly1 Month trial$2.997 Days
  • Chippy Tools Pro - Weekly3 Days trial$3.997 Days
  • Chippy Tools Pro - Quarterly3 Months trial$4.993 Months
Show 5 more
  • Chippy Tools Pro - Monthly$5.991 Month
  • Chippy Tools Pro - Monthly1 Month trial$5.991 Month
  • Chippy Tools Pro - Annual3 Days trial$19.991 Year
  • Chippy Tools Pro - Annual1 Year trial$19.991 Year
  • Chippy Tools Pro - Annual$19.991 Year
One-time1
  • One Time Purchase2 variants$85.00

Questions

Is TDCA free?
TDCA is free to download, with no in-app purchases.
Is Chippy Tools free?
Chippy Tools is free to download, with in-app purchases available.
Which has better reviews, TDCA or Chippy Tools?
Chippy Tools is rated higher. TDCA averages 2.0 out of 5 from 1 ratings, while Chippy Tools averages 4.5 from 907 ratings.
Do TDCA or Chippy Tools have ads?
Neither TDCA nor Chippy Tools shows ads.
Which is updated more often, TDCA or Chippy Tools?
TDCA ships an update every 2 months, and Chippy Tools every 8 days. Most recently, TDCA was updated on November 1, 2026 and Chippy Tools on November 3, 2026.

Other comparisons