ATFA Toolbox vs GST Calculator
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
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.
- 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
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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.
GST Calculator
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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. โข Auto-renewable subscription โข 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. โข 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
Verdict
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
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.
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.
| Parameter | ATFA Toolbox | GST Calculator |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | โ |
| Update frequency | Every 2 weeks | Daily โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Monetization | Free | โ |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 โ better | 18.6 |
| Further details โ not scored | ||
| Size | 41 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | AUSTRALIAN TIMBER FLOORING ASSOCIATION LIMITED | RICKHIL PUNEET PRAKASH |
In-app purchases
ATFA Toolbox
No in-app purchases
GST Calculator
- Weekly Access$4.997 Days
- Monthly Access$8.991 Month
- Annual Access$34.991 Year
Questions
Is ATFA Toolbox free?
Is GST Calculator free?
Do ATFA Toolbox or GST Calculator have ads?
Which is updated more often, ATFA Toolbox or GST Calculator?
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