# CLZ Comics collection database vs AStamp

The clearest difference is in-app purchases: AStamp at none against CLZ Comics collection database's 4. AStamp also leads on review sentiment (100% vs 91%). CLZ Comics collection database's advantage is ratings volume (15K vs 1) and update cadence (every 11 days vs every 2 months). On price, rating, 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. AStamp asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for CLZ Comics collection database against 5.0 for AStamp. That said, the two scores are not equally well evidenced: CLZ Comics collection database has 15K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 91% of CLZ Comics collection database's written reviews are positive against 100% of AStamp's.

CLZ Comics collection database ships an update every 11 days, AStamp every 2 months. The most recent releases landed on September 30, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | CLZ Comics collection database | AStamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (15K ratings)](https://appshunter.io/ios/app/clz-comics-collection-database/id320501548/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/astamp/id400883592/reviews)** |
| Number of ratings | **15K** | 1 |
| Positive reviews | 91.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | Subscription | **Free** |
| Best chart rank | **#171** | — |
| Size | 31 MB | 413 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CLZ](https://appshunter.io/developer/314588588) | [蒨 周](https://appshunter.io/developer/400883595) |

## What reviewers say

### CLZ Comics collection database

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

**Currently charting:** #171 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


### AStamp

[App page](https://appshunter.io/ios/app/astamp/id400883592)

This app provides a comprehensive catalog of Chinese mainland stamps issued after 1949, including commemorative, special, and miniature sheets. It displays stamp information, images, and synchronized market prices for reference. Users can access some images directly and download others from the internet.

**Highlights:** Catalog of Chinese mainland stamps, Stamp information and images, Synchronized market prices, Reference for buying and selling, Downloadable stamp images

**Features:** macOS Compatibility

**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 AStamp free?

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

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

AStamp is rated higher. CLZ Comics collection database averages 4.9 out of 5 from 15K ratings, while AStamp averages 5.0 from 1 ratings.

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

Neither CLZ Comics collection database nor AStamp shows ads.

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

CLZ Comics collection database ships an update every 11 days, and AStamp every 2 months. Most recently, CLZ Comics collection database was updated on September 30, 2026 and AStamp on June 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.*