Saveability: unit price calc

To fight inflation, this app suggests to you the best deal among different-sized packages. After input price and quantity, it calculates each item’s unit price and discount and you can easily compare the difference in a bar graph.

Features:
1. Compute item score to find the best deal (the best mixture of least spending, lowest unit price, and biggest discount)
2. Bar graph for visual unit price/discount/score comparisons
3. Different sorting order (by unit price, discount, score, total price, input sequence)
4. Compare items of a different unit. e.g. 16 oz for $2.44 vs 1 lb for $2.99
5. Can do the simple calculation when input price/quantity
6. Fast input with forward/backward navigation buttons
7. Adaptive layout which facilitates split screen input
8. Auto save data
9. Optional title and items description
10. Night mode
11. Customizable background
12. Customizable unit conversion
13. Customizable score computation