Robograder vs Collectus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Robograder
This app uses your phone's camera to analyze comic books and provide a condition grade. It breaks down the grade by specific defects like spine stress and corner wear, helping you make informed decisions about buying, selling, or cataloging your collection.
- Photo-based grading
- Detailed defect breakdown
- Component scores (front, back, spine, interior)
- Page quality assessment
- Collection building and organization
- Pay-as-you-go credit packs
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Robograder grades your comic books from photos in seconds. Snap a few shots of a comic — front, back, spine, interior — and Robograder returns a condition grade on a familiar 0.5–9.9 scale, plus a detailed breakdown of exactly what it sees: spine stress, corner wear, surface defects, page quality, and more, defined by region. Whether you're buying, selling, or just cataloging your collection, Robograder gives you a fast, consistent second opinion before you commit to a costly professional submission. FEATURES • Photo-based grading — no special equipment, just your phone • Component breakdown — separate scores for front, back, spine, and interior • Specific defect notes — know what's affecting the grade and where • Page quality assessment • Build your collection — save and organize every book you grade • Simple credit packs — pay only for the assessments you use, NO SUBSCRIPTIONS Robograder is an independent grading tool and is not affiliated with any professional encapsulation service. Grades are estimates to help you make informed decisions.
Collectus
Manage your trading card collection with this app. Track what you own, identify missing cards, discover new additions, and connect with other collectors to buy, sell, or trade.
- Track your card collection visually
- Identify missing cards and build wishlists
- Discover new cards and sets
- Showcase your collection
- Buy, sell, and trade cards
- Organize by set, character, artist, and more
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o TRADING CARDS LIVE HERE! See what you have. Spot what you need. Discover what's next. o Collectus is the home for your trading card collection. Built to help collectors track, discover, showcase, trade, buy, and sell the cards they love. o TRACK YOUR COLLECTION o Tap it, track it, collect it. Turn your card collection into a visual experience. Browse card checklists and instantly see what you own and what you're missing. Add cards with a tap and keep your collection organized wherever you go. o COLLECT YOUR WAY o From complete sets to favorite characters, artists, players, parallels, sketch cards, comic cuts, relics, autographs, graded cards, and rare finds. Collectus gives every kind of collector a place to build their collection. o KNOW WHAT YOU'RE MISSING o See the gaps in your collection at a glance. Build your wishlist and keep track of the cards you're hunting for without spreadsheets, notes, or trying to remember what's already in your collection. o DISCOVER WHAT'S NEXT o Explore cards, sets, subsets, parallels, characters, artists, and more. Find cards you never knew existed and discover new directions for your collection. o SHOW OFF YOUR COLLECTION o Your cards deserve to be seen. Create a visual collection that's easy to browse, organize, and share with other collectors. o BUY, SELL & TRADE o Mark cards you're looking for, willing to trade, or ready to sell. Connect your collection with a community of collectors who may have exactly what you're looking for.
Screenshots
Verdict
The clearest difference is rating: Collectus at 5.0 against Robograder's 3.8. Collectus also leads on review sentiment (100% vs 67%) and update cadence (daily vs weekly). Robograder's advantage is ratings volume (15 vs 1). On price, ads, 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.
Collectus holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Robograder has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of Robograder's written reviews are positive against 100% of Collectus's.
Robograder ships an update weekly, Collectus daily. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.
| Parameter | Robograder | Collectus |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (15 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 15 — better | 1 |
| Update frequency | Weekly | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 19 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Robograder LLC | Collectus |
Customer experience
Robograder
Collectus
In-app purchases
Robograder
No in-app purchases
Collectus
No in-app purchases








