Are you still looking for an APP that can record offline how much you invest in building blocks?
Then you can try this APP specially made for collecting spending blocks
It can help you permanently record your spending on building blocks and record the details.
Allows you to check and understand the amount you spent next time you purchase

* Can be used offline
* Support iCloud backup
* Enter purchase information for different building block brands
* Can display statistical spending amount
* Support chart display

This is a trial version, it will limit the number of data you can set.
If you like it, you can purchase the full version in-app
Unlock all restricted features!