# CLZ Scanner vs Robograder

The clearest difference is rating: CLZ Scanner at 4.7 against Robograder's 3.8. CLZ Scanner also leads on monetization model (free vs free with in-app purchases) and review sentiment (91% vs 67%). Robograder's advantage is update cadence (weekly vs every 7 months). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CLZ Scanner holds the better App Store score, 4.7 against 3.8. Both are backed by a comparable volume of ratings — 72 and 15 respectively. Written reviews point the same way: 91% of CLZ Scanner's written reviews are positive against 67% of Robograder's.

CLZ Scanner ships an update every 7 months, Robograder weekly. Both last shipped on October 17, 2026.

## The numbers

| Metric | CLZ Scanner | Robograder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (72 ratings)](https://appshunter.io/ios/app/clz-scanner/id1670913807/reviews)** | [3.8 (15 ratings)](https://appshunter.io/ios/app/robograder/id6778625739/reviews) |
| Number of ratings | **72** | 15 |
| Positive reviews | **90.9% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 19 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CLZ](https://appshunter.io/developer/314588588) | [Robograder LLC](https://appshunter.io/developer/6778625741) |

## What reviewers say

### CLZ Scanner

[App page](https://appshunter.io/ios/app/clz-scanner/id1670913807)

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.

**Highlights:** Scan barcodes with your phone, Instantly send scans to web software, Add items via barcode, Integrates with CLZ Web, Streamlines inventory management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Robograder

[App page](https://appshunter.io/ios/app/robograder/id6778625739)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CLZ Scanner free?

CLZ Scanner is free to download, with no in-app purchases.

### Is Robograder free?

Robograder is free to download, with no in-app purchases.

### Which has better reviews, CLZ Scanner or Robograder?

CLZ Scanner is rated higher. CLZ Scanner averages 4.7 out of 5 from 72 ratings, while Robograder averages 3.8 from 15 ratings.

### Do CLZ Scanner or Robograder have ads?

Neither CLZ Scanner nor Robograder shows ads.

### Which is updated more often, CLZ Scanner or Robograder?

CLZ Scanner ships an update every 7 months, and Robograder weekly. Most recently, CLZ Scanner was updated on October 17, 2026 and Robograder on October 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*