IADAC vs CarMax Auctions
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IADAC
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The Independent Auto Dealers Association of California (IADAC) App, will keep you up-to-date on the latest news and legislation affecting the Automotive Industry in California and nationwide. As a non-profit Association, we offer our members legislative advocacy, product and service discounts, educational trainings and much more. Whether you sell one car per year or 1,000 cars per year, we are your primary support function for any and all of your needs as a licensed Auto Dealer in the state of California. The App allows you to join IADAC, renew your IADAC membership, update your membership information, view current IADAC publications and get information about IADAC Associate Member Partners along with other valuable Member benefits. Founded in 1958, IADAC strives to provide value and opportunity to its members to increase their profitability and business success. Allow notifications so we can send you important alerts to keep you in the loop.
CarMax Auctions
This app allows licensed dealers to participate in weekly vehicle auctions. Dealers can view inventory, research vehicles, place bids in real-time, and listen to live auctioneer audio.
- Real-time bidding
- View vehicle lists
- Place notes and watches
- Research vehicles
- View photos
- Live auctioneer audio
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Welcome to the CarMax Auctions app, made for licensed dealers to source the best inventory from across the country. Auctions are held every week and are conducted by professional auctioneers. CarMax Auctions app features: - View and bid in real time. - View lane vehicle lists and place notes, watches and early bids. - Research vehicles and view photos. - Listen to real-time audio as an auctioneer calls the auction.
Screenshots
Verdict
The clearest difference is update cadence: CarMax Auctions at every 6 weeks against IADAC's every 28 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
IADAC ships an update every 28 months, CarMax Auctions every 6 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | IADAC | CarMax Auctions |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.8 (5 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 28 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 12.0.0 |
| Further details — not scored | ||
| Size | 12 MB | 1 MB |
| Age rating | 12+ | 4+ |
| Developer | Independent Auto Dealers Association of California | Auction Frontier |
In-app purchases
IADAC
No in-app purchases
CarMax Auctions
No in-app purchases
Questions
Is IADAC free?
Is CarMax Auctions free?
Do IADAC or CarMax Auctions have ads?
Which is updated more often, IADAC or CarMax Auctions?
Other comparisons
