I love how the app does not collect any data, and it works as it is supposed to, but it only goes down to the early 1900s—not even to 1900. It would get five stars if it had information from at least the 1800s, but ideally to 1776. Other than that, I recommend this app.

And prior reviews complained that it wasn’t being updated often but it seems that the 2023 CPI info was added in Feb 2024, which is pretty good since they have to wait for the year to end and do final calculations to have that year’s official CPI.

I use this quite often. The only reason I didn’t give five stars is that it only goes up to 2019, and I would think 2020 data is available now (end of May 2021.

This is a very useful calculator that quickly lets you see how inflation has increased from one year to the next. It’s simple to use, very useful and reasonably well designed. I hope they continue to update it for the foreseeable future.