Untax is a free iPhone app developed by Castle Labs LLC, falling under the Business & Productivity category. With Untax, managing your expenses becomes a breeze as it eliminates the need for paper receipts. The app records transactions digitally, allowing you to declutter your physical space from unnecessary receipts.

Keeping track of expenses is simplified with Untax's push notification feature. Upon spending, you receive a notification to mark the transaction as an expense directly from your lock screen. This eliminates the hassle of manual data entry and ensures that your expenses are promptly recorded.

Moreover, Untax centralizes all your transactions and expenses, making it convenient to organize your financial information in one place. Say goodbye to the tedious task of sorting through numerous account statements at the end of the year. Untax prioritizes user privacy, ensuring that your data is secure and not shared or tracked without your consent.