Comparison

Comas Montgomery vs BidMax

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

Head to head
About

Comas Montgomery

Features
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Put the power of The Auction Advantage in your pocket. Add the Comas Montgomery web app to your Home Screen to get instant access to listings for real estate, land & farms, commercial assets, homes and personal property across Middle Tennessee โ€” and beyond through our MarkNet Alliance network. Log in to place live or online bids with real-time simulcast bidding along with live bidders, save favorites, track auctions, view photos & drone videos and get notifications for outbids, upcoming previews and view auction results. Key Features Secure login and bidder profile management. Participate quickly in our online only auctions Log on and bid along with live on-site bidders in our simulcast auctions. View full auction catalogs with photos, video, property details, and terms. Watchlist / Favorites and personal bid history. Push notifications for bid activity, previews, and sale day reminders. Maps, directions, and scheduled preview times. Contact the auction team and access phone support quickly. Marketing-driven presentation: professional photos, drone tours, and detailed descriptions. Works on phones and tablets โ€” optimized for speed and reliability.

About

BidMax

Features
Read full description

Bidding blind on BidRL auctions? BidMax tells you what an item is really worth and the most you should pay โ€” before you place a bid. Built for BidRL bidders, resellers, and flippers, BidMax pairs AI-powered resale estimates with a profit-based max-bid calculator so every bid is a smart bid. WHAT BIDMAX DOES โ€ข AI resale estimates โ€” get an estimated resale value for auction lots so you know what an item can actually sell for. โ€ข Max-bid calculator โ€” set your target margin and BidMax calculates the highest bid that still leaves you a profit, factoring in the buyer's premium. โ€ข Browse by location โ€” pull live items from your BidRL auction location and scroll the whole catalog in one place. โ€ข Live bid tracking โ€” current bid, bid count, and a real-time countdown that update automatically. โ€ข Search & filters โ€” find items fast and sort by ending soonest, current bid, or Aโ€“Z. โ€ข Top Picks (Pro) โ€” jump straight to the best profit opportunities, ranked for you. FREE VS PRO Free: browse every item at your location, track live bids, and reveal a set number of AI analyses each day. BidMax Pro: unlimited AI analyses, Top Picks deal rankings, and the full toolkit for serious resellers. SUBSCRIPTION โ€ข BidMax Pro is $9.99/month, billed to your Apple ID. โ€ข Your subscription auto-renews monthly unless cancelled at least 24 hours before the end of the current period. โ€ข Manage or cancel anytime in your App Store account settings. WHO IT'S FOR Resellers, flippers, and arbitrage hunters working BidRL liquidation, returns, and overstock auctions who want to stop overpaying and start winning the right lots. DON'T SEE YOUR LOCATION? Tap "Request this location" and we'll work on adding it. IMPORTANT BidMax is an independent tool and is not affiliated with, endorsed by, or operated by BidRL. Resale estimates are AI-generated approximations, not guarantees of actual sale price. Always do your own research and bid responsibly โ€” you are solely responsible for your bids and purchases. Terms of Use: https://bidmax-production.up.railway.app/privacy-policy.html Privacy Policy: https://bidmax-production.up.railway.app/privacy-policy.html

Screenshots

Comas Montgomery4 screens
BidMax4 screens

Verdict

The call

The clearest difference is in-app purchases: Comas Montgomery at none against BidMax's 1. BidMax's advantage is update cadence (every 2 weeks vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. BidMax sells 1 in-app purchase, starting at $9.99 per month. Comas Montgomery asks for nothing beyond the download.

UpkeepUpdate frequency

Comas Montgomery ships an update every 7 months, BidMax every 2 weeks. Both last shipped on October 15, 2026.

Scorecard2 real differences ยท 4 level
Comas Montgomery versus BidMax: the parameters behind the verdict, then further details
ParameterComas MontgomeryBidMax
PriceFreeFree
Update frequencyEvery 7 monthsEvery 2 weeks โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.415.1 โ€” better
Further details โ€” not scored
Size51 MB31 MB
Age rating17+4+
DeveloperComas Montgomery Realty & Auction Co., Inc.Matthew Renda

In-app purchases

None

Comas Montgomery

No in-app purchases

1 purchases

BidMax

Subscriptions1
  • BidMax Pro$9.991 Month

Questions

Is Comas Montgomery free?
Comas Montgomery is free to download, with no in-app purchases.
Is BidMax free?
BidMax is free to download, with in-app purchases available.
Do Comas Montgomery or BidMax have ads?
Neither Comas Montgomery nor BidMax shows ads.
Which is updated more often, Comas Montgomery or BidMax?
Comas Montgomery ships an update every 7 months, and BidMax every 2 weeks. Most recently, Comas Montgomery was updated on October 15, 2026 and BidMax on October 15, 2026.

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