# ADESA vs Williamson Management

The clearest difference is update cadence: ADESA at weekly against Williamson Management's every 3 months. Williamson Management's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, 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.

ADESA ships an update weekly, Williamson Management every 3 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | ADESA | Williamson Management |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (159 ratings)](https://appshunter.io/ios/app/adesa/id1660253652/reviews)** | — |
| Number of ratings | **159** | — |
| Positive reviews | 9.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free | — |
| Size | 82 MB | 150 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ADESA](https://appshunter.io/developer/1710441385) | [CINC Systems](https://appshunter.io/developer/673135886) |

## What reviewers say

### ADESA

[App page](https://appshunter.io/ios/app/adesa/id1660253652)

This app offers a streamlined digital auction platform for wholesale car buying. It provides tools for efficient searching, bidding, and decision-making on vehicle inventory across various sales channels.

**Highlights:** Digital auction platform, 24/7 timed digital auctions, Live daily sales, Enhanced search and filters, Vehicle valuation tools, Personalized recommendations, Real-time push notifications

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Modern and intuitive interface
- 💡 Accurate vehicle recommendations
- 👍 Convenient features like Carvana integration

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🤔 Difficult to navigate and track watched vehicles
- 😕 Missing critical dealer-friendly features
- 🤯 Overly complicated and confusing to use

**Reported bugs**

- Constant log-outs and need to re-enter credentials
- Inaccurate vehicle status and location information
- Inability to filter and search inventory effectively

**Requested features**

- Ability to sort watchlist by lane and run number
- Restore access to past sale reports and vehicle values
- Improve real-time vehicle location tracking


### Williamson Management

[App page](https://appshunter.io/ios/app/williamson-management/id6744386624)

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

**In-app purchases:** none


## Frequently asked questions

### Is ADESA free?

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

### Is Williamson Management free?

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

### Do ADESA or Williamson Management have ads?

Neither ADESA nor Williamson Management shows ads.

### Which is updated more often, ADESA or Williamson Management?

ADESA ships an update weekly, and Williamson Management every 3 months. Most recently, ADESA was updated on October 30, 2026 and Williamson Management on October 30, 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.*