Comparison

ATFA Toolbox vs GST Calculator

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

Head to head
About

ATFA Toolbox

This app provides timber flooring professionals with essential on-site tools like an EMC calculator and job cost estimator. It also offers access to membership details and a library of technical information sheets, with personalized recommendations based on membership type.

Highlights
  • EMC calculator for timber moisture content
  • Job cost estimate builder and exporter
  • View membership level and renewal date
  • Access recommended and full info sheets
  • Pin frequently used information sheets
  • Share info sheets via private links
Features
Read full description

ATFA is the official app of the Australasian Timber Flooring Association. It puts the tools timber flooring professionals use on site alongside everything that comes with ATFA membership. ON-SITE TOOLS - EMC calculator: work out the equilibrium moisture content of timber from temperature and relative humidity - Total estimate: build and export a job cost estimate YOUR MEMBERSHIP - See your membership level, member number and renewal date INFORMATION SHEETS - Get recommended info sheets based on your type of membership - Browse the full library of ATFA technical information sheets - Pin the sheets you use most - Share a sheet with a client or builder as a private, view-only link Membership features need an ATFA member login. Not a member yet? Visit atfa.com.au to join.

About

GST Calculator

Features
Read full description

Calculate GST the way businesses actually work, add or remove tax on the fly, with every step recorded on a visible tape, just like an adding machine. BUILT FOR GST Standard 15% rate built in, plus custom keys for long-term accommodation rate. Reverse GST calculations use the correct fraction method (3/23) prescribed by Inland Revenue, so exclusive and inclusive totals always reconcile exactly. RUNNING TAPE Every number, operator, and GST step is written to a scrollable tape. Tap any past result to branch off it. ADD & REMOVE GST IN ONE CHAIN Dedicated +GST and GST keys sit right on the keypad alongside standard arithmetic, percent, markup/margin, and memory keys. Chain multiple GST operations, multiplications, and adjustments in a single session. SESSION TOTALS A live strip shows running Exclusive, GST, and Inclusive totals for the whole tape, broken down by rate if you use more than one. CUSTOMISABLE RATES Edit all four quick-rate keys to match historical rates or any custom figure, inputs accept decimals like 12%. HISTORY & SHARING Every session is saved and searchable. Pin favourites, restore any past tape back to the calculator, or share a session as text or image. PRIVATE BY DESIGN Fully offline. No account, no sign-in, no network calls, no ads, no analytics. Every feature is available to every user, always. Download and get every GST calculation right the first time. You may purchase an auto-renewing subscription through an In-App Purchase. โ€ข Auto-renewable subscription โ€ข Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. โ€ข Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase Privacy policy: https://plainraw.com/raw/9d4081889a5d Terms of service: https://plainraw.com/raw/a4aa0b172035

Screenshots

ATFA Toolbox4 screens
GST Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: ATFA Toolbox at none against GST Calculator's 3. ATFA Toolbox also leads on iOS requirement (16.4 vs 18.6). GST Calculator's advantage is update cadence (daily vs every 2 weeks). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. GST Calculator sells 3 in-app purchases, starting at $4.99 per 7 days. ATFA Toolbox asks for nothing beyond the download.

UpkeepUpdate frequency

ATFA Toolbox ships an update every 2 weeks, GST Calculator daily. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

Scorecard3 real differences ยท 5 level
ATFA Toolbox versus GST Calculator: the parameters behind the verdict, then further details
ParameterATFA ToolboxGST Calculator
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 2 weeksDaily โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
MonetizationFreeโ€”
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 โ€” better18.6
Further details โ€” not scored
Size41 MB16 MB
Age rating4+4+
DeveloperAUSTRALIAN TIMBER FLOORING ASSOCIATION LIMITEDRICKHIL PUNEET PRAKASH

In-app purchases

None

ATFA Toolbox

No in-app purchases

3 purchases

GST Calculator

Subscriptions3
  • Weekly Access$4.997 Days
  • Monthly Access$8.991 Month
  • Annual Access$34.991 Year

Questions

Is ATFA Toolbox free?
ATFA Toolbox is free to download, with no in-app purchases.
Is GST Calculator free?
GST Calculator is free to download, with in-app purchases available.
Do ATFA Toolbox or GST Calculator have ads?
Neither ATFA Toolbox nor GST Calculator shows ads.
Which is updated more often, ATFA Toolbox or GST Calculator?
ATFA Toolbox ships an update every 2 weeks, and GST Calculator daily. Most recently, ATFA Toolbox was updated on November 7, 2026 and GST Calculator on November 6, 2026.

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