# AJ Willner Auctions vs GR1P Pro AI

The clearest difference is update cadence: GR1P Pro AI at every 2 months against AJ Willner Auctions's every 30 months. GR1P Pro AI also leads on ratings volume (5 vs 1). AJ Willner Auctions's advantage is iOS requirement (13.0 vs 15.0). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for AJ Willner Auctions against 5.0 for GR1P Pro AI. That said, the two scores are not equally well evidenced: GR1P Pro AI has 5 ratings behind it against 1, so its average is the more settled of the two.

AJ Willner Auctions ships an update every 30 months, GR1P Pro AI every 2 months. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AJ Willner Auctions | GR1P Pro AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/aj-willner-auctions/id1577589509/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/gr1p-pro-ai/id6738609420/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 16 MB | 41 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 17+ |
| Developer | [AJ Willner Auctions, LLC](https://appshunter.io/developer/1558509488) | [First-Line Defense LLC](https://appshunter.io/developer/1732528763) |

## What reviewers say

### AJ Willner Auctions

[App page](https://appshunter.io/ios/app/aj-willner-auctions/id1577589509)

Stay updated on upcoming auctions, view properties, and receive outbid notifications. Bid from anywhere or set automatic maximum bids to ensure you get the lowest possible winning price.

**Highlights:** Real-time auction updates, Property viewing, Outbid notifications, Remote bidding, Automatic bidding

**Features:** macOS Compatibility

**In-app purchases:** none


### GR1P Pro AI

[App page](https://appshunter.io/ios/app/gr1p-pro-ai/id6738609420)

This AI-powered software revolutionizes firearm businesses by providing precise hand measurements for personalized firearm recommendations. It also includes a comprehensive Point of Sale (POS) system for managing sales, inventory, and staff across multiple branches, with integrated secure credit card processing.

**Highlights:** AI-powered hand scanning for firearm fit, Point of Sale (POS) system, Branch and staff management, NMI credit card processing, Sales and user activity reporting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AJ Willner Auctions free?

AJ Willner Auctions is free to download, with no in-app purchases.

### Is GR1P Pro AI free?

GR1P Pro AI is free to download, with no in-app purchases.

### Which has better reviews, AJ Willner Auctions or GR1P Pro AI?

AJ Willner Auctions and GR1P Pro AI are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do AJ Willner Auctions or GR1P Pro AI have ads?

Neither AJ Willner Auctions nor GR1P Pro AI shows ads.

### Which is updated more often, AJ Willner Auctions or GR1P Pro AI?

AJ Willner Auctions ships an update every 30 months, and GR1P Pro AI every 2 months. Most recently, AJ Willner Auctions was updated on October 12, 2026 and GR1P Pro AI on October 24, 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.*