Comparison

PrivateAuto vs CarMax Auctions

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PrivateAuto

Facilitate private car sales with enhanced security and convenience. Verify buyer and seller identities, schedule test drives, and securely transfer funds directly through the app. Streamline the entire selling and buying process with digital tools and instant payment options.

Highlights
  • Buyer and seller ID verification
  • Vehicle history reports
  • In-app chat and scheduling
  • Digital Bill of Sale e-signing
  • Instant and secure fund transfers
  • Buyer financing options
Features
Read full description

The easiest and safest way to sell a car privately. The only way to close the sale with confidence. Know the buyer and seller like never before with email, phone, and driver's license verification, including facial recognition technology. Experience dealer-like services in the palm of your hand. Schedule test drives and conveniently e-sign your Bill of Sale or state-specific documents. Want to share important documents with the other party? You can do that too. Transfer funds anywhere, instantly. PrivateAuto Pay is a direct banking integration that ensures payments are safely transferred without the risks associated with cash or cashier’s checks. Experience escrow-like safeguards without relying on a third party. With the PrivateAuto App, you can: Sell a car -Buyer ID verification -Vehicle history report -Window brochure with QR code -In app chat -Schedule test drives -Counter offers -E-sign the bill of sale -Verified buyer funds -Instant secure payment Buy a car -Seller ID verification -Vehicle history report -In app chat -Schedule test drives -Make offer tool -E-sign the bill of sale -Buyer financing -Instantly send funds Buyers can apply for financing in the app. Approved funds are loaded right into your PrivateAuto Pay account so you can buy a car from a private party without the hassle of meeting at the bank.

About

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.

Highlights
  • Real-time bidding
  • View vehicle lists
  • Place notes and watches
  • Research vehicles
  • View photos
  • Live auctioneer audio
Read full description

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

PrivateAuto4 screens
CarMax Auctions4 screens

Verdict

The call

The clearest difference is review sentiment: PrivateAuto at 75% against CarMax Auctions's 0%. PrivateAuto also leads on rating (3.8 vs 1.8) and ratings volume (29 vs 5). On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

PrivateAuto holds the better App Store score, 3.8 against 1.8. That said, the two scores are not equally well evidenced: PrivateAuto has 29 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 75% of PrivateAuto's written reviews are positive against 0% of CarMax Auctions's.

UpkeepUpdate frequency

PrivateAuto ships an update every 3 weeks, CarMax Auctions every 6 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

Scorecard3 real differences · 7 level
PrivateAuto versus CarMax Auctions: the parameters behind the verdict, then further details
ParameterPrivateAutoCarMax Auctions
PriceFreeFree
Rating3.8 (29 ratings) — better1.8 (5 ratings)
Positive reviews75.0% of reviews — better0.0% of reviews
Number of ratings29 — better5
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0.0 — better
Further details — not scored
Size27 MB1 MB
Age rating4+4+
DeveloperPrivate Auto IncAuction Frontier

Customer experience

PrivateAuto

All ratings25 ratings
Positive72.0%
Neutral0.0%
Negative28.0%
Written reviews20 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

CarMax Auctions

All ratings14 ratings
Positive35.7%
Neutral0.0%
Negative64.3%
Written reviews8 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

PrivateAuto

No in-app purchases

None

CarMax Auctions

No in-app purchases

Questions

Is PrivateAuto free?
PrivateAuto is free to download, with no in-app purchases.
Is CarMax Auctions free?
CarMax Auctions is free to download, with no in-app purchases.
Which has better reviews, PrivateAuto or CarMax Auctions?
PrivateAuto is rated higher. PrivateAuto averages 3.8 out of 5 from 29 ratings, while CarMax Auctions averages 1.8 from 5 ratings.
Do PrivateAuto or CarMax Auctions have ads?
Neither PrivateAuto nor CarMax Auctions shows ads.
Which is updated more often, PrivateAuto or CarMax Auctions?
PrivateAuto ships an update every 3 weeks, and CarMax Auctions every 6 weeks. Most recently, PrivateAuto was updated on October 24, 2026 and CarMax Auctions on October 20, 2026.

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