# CPIInflate — US Dollar Purchasing Power

> US Dollar Purchasing Power (iPhone/iPad app by John Grauel.)

- Source: https://appshunter.io/ios/app/cpiinflate/id1560933108 (this page in markdown: same URL + `.md`)
- Developer: [John Grauel](https://appshunter.io/developer/734191840)
- Category: Utilities, Reference
- Price: Free
- Age rating: 4+
- Requires: iOS 17.2 · 0 MB
- Languages: English
- Released: 2021-04-01
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/cpiinflate/id1560933108/reviews.md

## What is CPIInflate?

Choose a base year and a dollar amount, then choose a target year and receive the dollar amount for equivalent purchasing power. Based on US Consumer Price Index from 1898 through 2023.


## Version history (last 3 releases)

### 3.0 — 2024-01-29

Updated data through 2023. Code updated to iOS 17.2

### 2.0 — 2021-04-03

Added an additional interactive chart for 12 month percentage change in CPI for specific categories.
Fixed an issue where the calculated value is not erased when query conditions changed
Added field labels to better identify data elements when they are populated with results

### 1.0 — 2021-04-01

No release notes.

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## More apps by John Grauel

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All apps by John Grauel: https://appshunter.io/developer/734191840

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*