# CPI pro vs Iron Index

The clearest difference is in-app purchases: CPI pro at none against Iron Index's 1. CPI pro also leads on iOS requirement (8.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Iron Index sells 1 one-off in-app purchase. CPI pro asks for nothing beyond the download.

## The numbers

| Metric | CPI pro | Iron Index |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/cpi-pro/id1214833658/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 135 MB | 45 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [SHENZHEN MILESEEY TECHNOLOGY CO.LTD](https://appshunter.io/developer/1563678294) | [Dylan Burrough](https://appshunter.io/developer/1873824273) |

## What reviewers say

### CPI pro

[App page](https://appshunter.io/ios/app/cpi-pro/id1214833658)

This utility app allows users to measure distances and sketch floor plans. It can mark dimensions on photos, record data in spreadsheets, and export drawings as photos or PDFs for easy sharing.

**Highlights:** Distance measurement, Floor plan sketching, Marking distances on photos, Data recording in Excel, Export as photo and PDF, Sharing functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Iron Index

[App page](https://appshunter.io/ios/app/iron-index/id6759079356)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Iron Index Pro - Lifetime Access | $19.99 | one-time |


## Frequently asked questions

### Is CPI pro free?

CPI pro is free to download, with no in-app purchases.

### Is Iron Index free?

Iron Index is free to download, with in-app purchases available.

### Do CPI pro or Iron Index have ads?

Neither CPI pro nor Iron Index shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*