CLZ Scanner vs Robograder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CLZ Scanner
This barcode scanner app integrates with web-based software to instantly send scanned barcodes to your computer. It streamlines inventory management by allowing you to add items via barcode directly from your phone.
- Scan barcodes with your phone
- Instantly send scans to web software
- Add items via barcode
- Integrates with CLZ Web
- Streamlines inventory management
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CLZ Scanner is a barcode scanner app for use with the CLZ Web web-based software. In short, you can use CLZ Scanner to scan barcodes with your phone and instantly send the scanned barcodes to the Add by Barcode tab of your CLZ Web software on your computer.
Robograder
Instantly grade your comic books using just your phone's camera. Get a detailed condition report, including specific defect notes and a score on a familiar scale. Perfect for collectors, buyers, and sellers.
- Photo-based grading
- Detailed condition breakdown
- Specific defect notes
- Page quality assessment
- Collection cataloging
- Pay-per-assessment credits
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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.
Screenshots
Verdict
The clearest difference is rating: CLZ Scanner at 4.6 against Robograder's 4.0. CLZ Scanner also leads on in-app purchases (none vs 3) and review sentiment (91% vs 71%). Robograder's advantage is update cadence (every 9 days vs every 7 months). On price, ads 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. Robograder sells 3 one-off in-app purchases. CLZ Scanner asks for nothing beyond the download.
CLZ Scanner holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 84 and 18 respectively. Written reviews point the same way: 91% of CLZ Scanner's written reviews are positive against 71% of Robograder's.
CLZ Scanner ships an update every 7 months, Robograder every 9 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | CLZ Scanner | Robograder |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (84 ratings) — better | 4.0 (18 ratings) |
| Positive reviews | 90.9% of reviews — better | 71.4% of reviews |
| Number of ratings | 84 — better | 18 |
| Update frequency | Every 7 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 4 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | CLZ | Robograder LLC |
Customer experience
CLZ Scanner
Robograder
In-app purchases
CLZ Scanner
No in-app purchases
Robograder
- Comic Stack$9.99
- Comic Wall$29.99
- Short Box$99.99








