Selkirk vs Back Mountain Auctions
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Selkirk
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The Selkirk Auctioneers & Appraisers App lets you view our Auction Calendar and Bid Live in our Auctions from your mobile device. Participate in our Auctions from anywhere using your mobile device and unlock the following features: - View the Auction Calendar of Upcoming and Past Auctions. - Search Lots. - Save Favorite Lots. - Register for Upcoming Auctions. - Receive reminders to ensure you never miss a chance to Bid in an Auction. - Leave Absentee Bids. - Bid Live. - Track your Bidding Activity.
Back Mountain Auctions
Participate in live auctions from your mobile device. Preview upcoming items, track your bids, and receive push notifications for items you're following. Experts are available for coins, jewelry, antiques, and more.
- Preview upcoming auctions
- Bid in live auctions
- Track bidding history
- Receive push notifications
- Watch live auction streams
- Quick registration
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Located in Dallas, PA, Back Mountain Auctions brings together 30 years of auction experience. Our auctions feature fresh to market estate items, clean quality antiques, household, collectibles and more. We have on-site specialists expert in coins, jewelry, antiques, firearms, militaria and more. With the Back Mountain Auctions app, you can preview, watch and bid in our auctions from your mobile / tablet device. Participate in our sales while on-the-go and gain access to our following features: Quick Registration Following upcoming lots of interest Push notifications to ensure you engage on items of interest Track bidding history and activity Watch live auctions
Screenshots
Verdict
The clearest difference is ads: Back Mountain Auctions at none against Selkirk's shown. Back Mountain Auctions also leads on update cadence (every 14 months vs every 37 months). Selkirk's advantage is iOS requirement (13.4 vs 16.0). On price, 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.
Selkirk ships an update every 37 months, Back Mountain Auctions every 14 months. The most recent releases landed on September 10, 2026 and June 22, 2026 respectively.
| Parameter | Selkirk | Back Mountain Auctions |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (40 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 40 — better |
| Update frequency | Every 37 months | Every 14 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.4 — better | 16.0 |
| Further details — not scored | ||
| Size | 38 MB | 135 MB |
| Age rating | 4+ | 9+ |
| Developer | Ball & Claw, Inc. | Back Mountain Auctions |
In-app purchases
Selkirk
No in-app purchases
Back Mountain Auctions
No in-app purchases
Questions
Is Selkirk free?
Is Back Mountain Auctions free?
Do Selkirk or Back Mountain Auctions have ads?
Which is updated more often, Selkirk or Back Mountain Auctions?
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