Gem vs Hobby Exchange
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gem
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The new Gem-Mint Auctions app lets you view our auction calendar and bid live in our auctions from your mobile device. Participate in our sales wherever you are using your mobile device and by gaining access to the following features:- - View calendar of past and future sales - Search lots - Save favorite lots - Register for upcoming sales - Receive reminders to ensure you never miss a chance to bid in a sale - Leave absentee bids - Bid live - Track your bidding activity
Hobby Exchange
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Hobby Exchange makes finding sports trading cards fast, simple, and fun. Search for your favorite cards — from rare vintage grails to modern autos — and instantly see live auction listings from over six of the top marketplaces, including eBay. Whether you’re hunting for a PSA 10 rookie or casually browsing prices, Hobby Exchange delivers the data you need in seconds. Key Features: • Real-time search across six auction sites • Supports all major sports and TCGs (basketball, football, baseball, Pokémon, and more) • View listing insights: average, low, and high • Tap to go directly to live listings • Tracks your recent searches No accounts. No clutter. Just lightning-fast card search tailored for collectors, flippers, and hobbyists alike. Whether you’re chasing a 1997 PMG, a Bowman Chrome rookie, or vintage Topps, Hobby Exchange gives you a smarter way to shop the hobby. We’re just getting started — and we’d love your feedback. Questions or suggestions? Email us at hello@hobby.exchange.
Screenshots
Verdict
The clearest difference is ads: Hobby Exchange at none against Gem's shown. Hobby Exchange also leads on update cadence (every 11 days vs every 27 months). Gem's advantage is iOS requirement (13.4 vs 15.1). 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.
Gem ships an update every 27 months, Hobby Exchange every 11 days. The most recent releases landed on March 22, 2026 and March 21, 2026 respectively.
| Parameter | Gem | Hobby Exchange |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 27 months | Every 11 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 — better | 15.1 |
| Further details — not scored | ||
| Size | 41 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Gem Mint Auctions, LLC. | Hobby Exchange INC |
In-app purchases
Gem
No in-app purchases
Hobby Exchange
No in-app purchases
