# KPR vs GNB Inventory Pro

The clearest difference is update cadence: GNB Inventory Pro at every 6 weeks against KPR's every 5 months. KPR's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KPR ships an update every 5 months, GNB Inventory Pro every 6 weeks. The most recent releases landed on June 24, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | KPR | GNB Inventory Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Size | 35 MB | 41 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keystone Property Reports Ltd](https://appshunter.io/developer/794893204) | [Global NoticeBoard](https://appshunter.io/developer/1163498664) |

## What reviewers say

### KPR

[App page](https://appshunter.io/ios/app/kpr-willis/id1587598478)

**Features:** macOS Compatibility

**In-app purchases:** none


### GNB Inventory Pro

[App page](https://appshunter.io/ios/app/gnb-inventory-pro/id6759443453)

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

**In-app purchases:** none


## Frequently asked questions

### Is KPR free?

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

### Is GNB Inventory Pro free?

GNB Inventory Pro is free to download, with no in-app purchases.

### Do KPR or GNB Inventory Pro have ads?

Neither KPR nor GNB Inventory Pro shows ads.

### Which is updated more often, KPR or GNB Inventory Pro?

KPR ships an update every 5 months, and GNB Inventory Pro every 6 weeks. Most recently, KPR was updated on June 24, 2026 and GNB Inventory Pro on September 9, 2026.

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