# ACV Auctions vs Bidbus Auctions

The clearest difference is rating: ACV Auctions at 4.4 against Bidbus Auctions's 4.0. ACV Auctions also leads on ratings volume (1.2K vs 4) and update cadence (every 2 weeks vs every 2 months). Bidbus Auctions's advantage is monetization model (ad-supported vs free with in-app purchases) and iOS requirement (15.0 vs 17.4.1). On price, review sentiment, 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.

ACV Auctions holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: ACV Auctions has 1.2K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 55% of ACV Auctions's written reviews are positive against 50% of Bidbus Auctions's.

ACV Auctions ships an update every 2 weeks, Bidbus Auctions every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ACV Auctions | Bidbus Auctions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.2K ratings)](https://appshunter.io/ios/app/acv-auctions/id969808943/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/bidbus-auctions/id6466783546/reviews) |
| Number of ratings | **1.2K** | 4 |
| Positive reviews | **55.1% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 161 MB | 72 MB |
| Requires iOS | 17.4.1 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACV Auctions Inc](https://appshunter.io/developer/969808942) | [Bidbus, Inc.](https://appshunter.io/developer/1707803092) |

## What reviewers say

### ACV Auctions

[App page](https://appshunter.io/ios/app/acv-auctions/id969808943)

This app is a digital marketplace for dealers to buy and sell wholesale vehicles. It streamlines the auction process, allowing sellers to easily list cars and buyers to bid in live auctions. The platform handles all payments and title transfers for a seamless transaction experience.

**Highlights:** Dealer-to-dealer marketplace, Live 20-minute auctions, VIN scanning and condition reporting, Live and proxy bidding, Real-time negotiation, Integrated payment and title transfer

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great interface
- 👍 Easy to use and intuitive
- 👍 Detailed condition reports
- 👍 Audio recordings of vehicles
- 👍 Convenient mobile platform

**What reviewers complain about**

- 🐛 Unreliable notifications
- 🐛 Arbitration issues and denials
- 🐛 Incomplete or inaccurate condition reports
- 🐛 Complicated arbitration process
- 🐛 Slow or unresponsive customer service

**Reported bugs**

- App crashes when navigating between vehicles
- Notifications not working consistently
- Inability to view ended auctions and sold vehicles
- Lack of landscape mode support on tablets

**Requested features**

- Watchlist feature to track interested vehicles
- Faster bidding times
- Improved notification system
- Easier access to account and payment information
- Better integration between mobile app and website


### Bidbus Auctions

[App page](https://appshunter.io/ios/app/bidbus-auctions/id6466783546)

This app connects car dealers with private party vehicles, bypassing traditional wholesale auction limitations. It streamlines the vehicle acquisition process by offering direct access to a wider inventory. Dealers can find quality vehicles without the usual frustrations of aged or rejected stock.

**Highlights:** Access private party vehicles, Streamline vehicle buying, Avoid aged/rejected inventory, Direct dealer access, Expand vehicle selection

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

**In-app purchases:** none


## Frequently asked questions

### Is ACV Auctions free?

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

### Is Bidbus Auctions free?

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

### Which has better reviews, ACV Auctions or Bidbus Auctions?

ACV Auctions is rated higher. ACV Auctions averages 4.4 out of 5 from 1.2K ratings, while Bidbus Auctions averages 4.0 from 4 ratings.

### Do ACV Auctions or Bidbus Auctions have ads?

Neither ACV Auctions nor Bidbus Auctions shows ads.

### Which is updated more often, ACV Auctions or Bidbus Auctions?

ACV Auctions ships an update every 2 weeks, and Bidbus Auctions every 2 months. Most recently, ACV Auctions was updated on October 26, 2026 and Bidbus Auctions 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.*