Gradea.id vs HobbyMonitor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gradea.id
This app uses AI and computer vision to predict how major grading services will score your trading cards. It helps collectors decide if grading a card is financially worthwhile by estimating grades and return on investment.
- AI-powered grade prediction
- Major TPG grade estimates
- Population data at predicted grades
- ROI analysis for grading
- Collector-focused design
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Gradeaid was built by collectors for collectors to answer one fundamental question. Is it worth is for me to grade my card or not? Using AI and computer vision, Gradeaid predicts how the major TPGs will grade your card before you send it in for grading. * Predicted grades for the 3 major TPGs * Population at predicted grades * ROI on grading vs. selling raw
HobbyMonitor
Manage your card collection with tools for tracking, market insights, and grading estimates. Organize your cards, understand their value, and make informed decisions about your collection. Features include collection building, price tracking, and pre-grading assessments.
- Build and manage multiple card collections
- Add card details manually or via scans
- Optional price tracking for value
- Pre-grading estimates from card photos
- Market Pulse for research
- Product checklists for releases
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Scan, track, and value your cards, and research Bowman prospects, all in one app! TRACK YOUR CARDS: Know what you own and what it's worth. - Build and manage multiple collections - Add cards with a quick scan, a batch scan, a graded slab's cert, or by hand - Follow value and profit over time - Print price labels on a 4x6 sheet or a 2x1 label roll - View and share your collection RELEASES AND CHECKLISTS: Look up any product. - Release calendar with past, preorder, and upcoming products - Searchable checklists for baseball, football, basketball, soccer, TCG, and more - See which cards in a set you own and which you still need RESEARCH PROSPECTS: Understand the player, not just the card. - Bowman prospect ratings, watchlists, and Value Scores - Perf+, our performance metric for Bowman prospects - Scouting grades, career stats, and recent news - Bowman 1st auto prices with recent sales and trend lines PRE-GRADING ESTIMATES: Make smarter grading decisions. - Snap or upload any trading card photo - Get a grading estimate in about 30 seconds - Free centering tool for quicker decisions BUY AND SELL: Turn your collection into a marketplace. - List your cards for sale on eBay right from your collection - See at a glance which of your cards are currently listed - Check recent sales and comparable prices before you buy or sell - Find Bowman auctions running below their average price - Shop for the cards you want with quick links to eBay ALERTS: Get alerted when it matters. - Set a price target on any prospect and get notified when their card hits it - Get an ending-soon alert on auction deals while the price is still under your number - Follow upcoming products and get preorder and release-day reminders - Start a scan, put your phone away, and get pinged when results are ready Whether you collect casually or invest seriously, HobbyMonitor gives you the tools to make confident decisions. Download now and add your first card for free. Learn more at HobbyMonitor.com Terms of Use (EULA): https://www.hobbymonitor.com/terms Privacy Policy: https://www.hobbymonitor.com/privacy Affiliate disclosure: HobbyMonitor participates in the eBay Partner Network. As an eBay Partner, HobbyMonitor may be compensated if you make a purchase through eBay links in this app.
Screenshots
Verdict
The clearest difference is review sentiment: HobbyMonitor at 100% against Gradea.id's 23%. HobbyMonitor also leads on rating (5.0 vs 4.0) and ratings volume (17 vs 1). Gradea.id's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads, in-app purchases and monetization model 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. Gradea.id sells 13 in-app purchases, starting at $5.99 per month and HobbyMonitor sells 4 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
HobbyMonitor holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: HobbyMonitor has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 23% of Gradea.id's written reviews are positive against 100% of HobbyMonitor's.
Gradea.id ships an update every 9 days, HobbyMonitor every 3 weeks. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.
| Parameter | Gradea.id | HobbyMonitor |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (17 ratings) — better |
| Positive reviews | 23.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 17 — better |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 47 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | Dna Technology Holdings, LLC | HobbyMonitor LLC |
Customer experience
Gradea.id
HobbyMonitor
In-app purchases
Gradea.id
- Gradeaid Premium - 1 Month3 Days trial$5.991 Month
- Gradeaid Premium - 1 Year$59.991 Year
- 1 extra submission this month$0.99
- 300 Trophies$1.99
- 5 extra submissions$3.99
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- No Ads$4.99
- Gradeaid Gift Card$9.99
- 5 extra permanent submissions$12.99
- Gradeaid Premium$14.99
- 25 extra submissions$14.99
- 3000 Trophies$18.99
- 15 permanent submission slots$24.99
- 25 permanent submission slots$59.99
HobbyMonitor
- Premium Monthly7 Days trial$5.991 Month
- Pro Monthly v27 Days trial$12.991 Month
- Premium Annual v27 Days trial$59.991 Year
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- Pro Annual v27 Days trial$124.991 Year








