# CLZ Comics collection database vs Robograder

The clearest difference is rating: CLZ Comics collection database at 4.9 against Robograder's 3.8. CLZ Comics collection database also leads on ratings volume (15K vs 15) and review sentiment (91% vs 67%). Robograder's advantage is in-app purchases (none vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CLZ Comics collection database sells 4 in-app purchases, starting at $1.99 per month. Robograder asks for nothing beyond the download.

CLZ Comics collection database holds the better App Store score, 4.9 against 3.8. That said, the two scores are not equally well evidenced: CLZ Comics collection database has 15K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 91% of CLZ Comics collection database's written reviews are positive against 67% of Robograder's.

CLZ Comics collection database ships an update every 11 days, Robograder weekly. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | CLZ Comics collection database | Robograder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (15K ratings)](https://appshunter.io/ios/app/clz-comics-collection-database/id320501548/reviews)** | [3.8 (15 ratings)](https://appshunter.io/ios/app/robograder/id6778625739/reviews) |
| Number of ratings | **15K** | 15 |
| Positive reviews | **91.2% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Subscription | **Free with in-app purchases** |
| Best chart rank | **#167** | — |
| Size | 31 MB | 19 MB |
| Requires iOS | 15.0 | 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 Comics collection database

[App page](https://appshunter.io/ios/app/clz-comics-collection-database/id320501548)

**Currently charting:** #167 Top Grossing · Entertainment (US App Store)

Easily catalog your comic book collection by scanning covers or barcodes. Automatically retrieves issue details, creator lists, and cover art. Organize into multiple collections and track personal data like purchase price and storage location.

**Highlights:** Scan comic covers for automatic recognition, Barcode scanning for modern comics, Automatic issue details and cover art retrieval, Edit all comic details and add personal notes, Create multiple, organized collections, Optional comic value estimates, Cloud backup and multi-device sync

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CLZ Comics (Pay Monthly) | $1.99 | per month |
| CovrPrice Premium (monthly) | $8.99 | per month |
| CLZ Comics (Pay Yearly) | $19.99 | per year |
| CovrPrice Premium (yearly) | $89.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Comprehensive database
- 🔍 Helpful search and organization features
- 💾 Seamless cloud sync
- 🔢 Barcode scanning for quick entry

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔍 Some missing or outdated comic data
- 💰 Subscription model can be costly for some
- 🔍 Inconsistent pricing/valuation data

**Reported bugs**

- Barcode scanning issues on newer devices
- Syncing problems between mobile and desktop versions
- Occasional data loss or corruption

**Requested features**

- Ability to manually add/edit comic details
- Integration with comic pricing/valuation services
- More customization options for collection organization
- Improved pull list and new release tracking


### 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 Comics collection database free?

CLZ Comics collection database is free to download, with in-app purchases available.

### Is Robograder free?

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

### Which has better reviews, CLZ Comics collection database or Robograder?

CLZ Comics collection database is rated higher. CLZ Comics collection database averages 4.9 out of 5 from 15K ratings, while Robograder averages 3.8 from 15 ratings.

### Do CLZ Comics collection database or Robograder have ads?

Neither CLZ Comics collection database nor Robograder shows ads.

### Which is updated more often, CLZ Comics collection database or Robograder?

CLZ Comics collection database ships an update every 11 days, and Robograder weekly. Most recently, CLZ Comics collection database was updated on October 14, 2026 and Robograder on October 1, 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.*