A reasonable time and value would be based on the monies spent and the reward given. If say a few dollars was spent in a game to do something…and the game because subscription or paid for a few months later, one could possibly say that a reasonable time has occurred.
If one has paid say a few hundred or maybe thousands or more say for a design module for an free personally used CAD program, one could argue that a reasonable time should be more than a few months…maybe a year or two? For commercial/business use, the month or two may seen to be reasonable.
Looking at the competing paid software in the market place may also give an idea of potential value. If these have in app/software purchases which say have annual paid subscription similar to the app/software one has and its status has changed, one could argue that if one has had the in app/software purchase for the same or more time, the value has been potentially reached.
It wouldn’t be a simple exercise to determine what a reasonable time is, but the price paid and competition should provide some basis to the value of the purchases.
Also, the company could possibly argue the provision of the ‘free’ software/app has an intrinsic value…and if a consumer uses it for free, then the company has provided value to the customer free (even though the customer was subject to in app/software advertising). This could be used to avoid paying a refund for in app/software purchases in cases where the software/app use has been enjoyed free for a period of time.
As outlined above, it would however be difficult to argue that if one bought in app/software purchases one day in good faith, only to find out unexpectedly shortly thereafter (a day. week later…) that the in app/software purchases couldn’t be enjoyed due to the app/software becoming a paid service, then a refund should possibly occur…however…
Another point I forgot to mention in my earlier post in relation to refunds is that most software/apps are developed and available from non-Australian based (or foreign) sources. If one is sourcing or purchasing content from a foreign entity located overseas without any operations in Australia, the provisions of the Australian Consumer Law don’t apply. The local consumer at the location of purchase would apply.
If the software is obtained say from Google Play or the Apple Store, then there may be possible to seek refunds (if they can be justifiable and substantiated) from these platforms as they have Australian based operations and also many purchases in software/app are made using gift cards or credit cards linked to Apple/Google accounts. In effect, these platforms are the Australian retailers, while the software/app developer is a foreign entity.