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About Key Collector Comics Database & Price Guide App

Key Collector Comics FREE mobile app is the world's first database and price guide to focus exclusively on key issues. Everything you need as a collector of valuable comics or highly-sought after issues including speculation books is combined into one resource.

Catalog your inventory or build a wish list of key issues. Select what condition your comic is by using the CGC and CBCS grading scale. Get key issue notifications sent directly to your phone to know what's new and hot or spiking in value in the comic book world.

Key Collector Comics has been endorsed by Neal Adams, Alex Ross, Stanley Artgerm Lau, Brian Pulido and Valiant Entertainment

Here are some examples of what makes a comic book a valuable “key” issue:
* Character First Appearances
* Death & Origin Stories
* Variant Covers
* Iconic Cover Art
* Rare & Recalled Issues
* Classic Stories

Key Collector Comics simplifies the hobby of collecting. In the past, if one wanted to hunt for a character or title’s key issues, they would have to access four different apps:

App 1 - Search for information on a comic book title or character
App 2 - Determine a value and consider what you should pay
App 3 - Inventory what you own to a personal database
App 4 - Consult your notes app or carry around a piece of paper with your wish list on it

Sound familiar? Do any of the aforementioned headaches apply to you? Key Collector Comics has combined everything a collector needs into one, simple to use, FREE mobile app in the most intuitive environment available that requires absolutely no learning-curve. Now, with this one resource you can:

* Search by Title, Title and Issue #, Character, Writer, Artist or Publisher

* Browse by a changing list of categories like 100 Iconic Superhero Covers or Batman’s Greatest Arch-Enemies

* Catalog what you own with one tap

* Build a wish list of priority comics you’d like to own

* Select the grade of your book and notate if it has been professionally graded or not

* Choose to use our price guide or elect to input your own dollar value

* Record the amount you paid for a comic to accurately view the sum total of your investment as it fluctuates based on comic book market conditions

Key Collector Comics was created by a comic book collector for comic book collectors and the #1 priority is to make your experience more fun. How? By giving you the assurance that no key issue will ever slip through your fingers again and drastically cutting down the amount of time you spend looking through a box of comics. Just flip through issues with one hand and scroll through the app with the other. If anything on the app matches what’s at your fingertips then you just found yourself a key issue.

The database is updated at least once a week to include new character debuts that have been announced. You can add these comic books to your “wanted” list before they even hit the shelves so when Wednesday rolls around (when new comics are released) you leave the store or check-out online without missing a thing.

There are well over 7,000 individual issues organized in the database that have some instance of significance attached to it. You can search for over 2,500 characters in 1,700 titles from major publishers like Marvel, DC, Dark Horse, Valiant, Image and many independents producers from the Golden Age of comics (1935) to today. Key Collector Comics is your guide through the history of comics told through the key issues that defined the landscape.

More Features:
o A simplified price guide and grading assessment for new and experienced collectors to determine if a comic book appropriate for purchase

o The ability to expand displayed comic covers for a more detailed view

o The ability to collapse covers for faster scrolling through listed keys

o A filtering option that lets you search in a specific comic book age (Golden Age 1935-1950 approx. , Silver Age, Bronze etc.)

What’s new

Version 4.8.1 · Updated October 19, 2026

What's new in 4.8.1 - Top Movers now includes a 1 Day period so you can spot the biggest movers as they happen. On owned copies, Market Trends follow your Top Movers period, while catalog listings keep their own period pills. - Collection notes now show on compact owned rows in issue detail, so your notes stay visible without opening a fuller layout. - Owned counts stay consistent when you add comics from cover search, and trend pills no longer display a signed zero percent change.

User reviews

L Romero
L Romero
Excellent app.
Jerry Carter
Jerry Carter
Best app for selling and collecting
Venger 1
Venger 1
Love it!!!
Richard Cly
Richard Cly
A really unique and helpful app !
Riccardo Teixeira
Riccardo Teixeira
Absolutely love this app, and such a great online organizer for all my issues...
Malachi Robbins
Malachi Robbins
The best. Keep doing whatchu doing👍

Frequently asked questions

What is Key Collector Comics?
Key Collector Comics is a mobile app that serves as a database and price guide for valuable comic books, including key issues, speculation books, and rare and recalled issues.
What kind of information is available on Key Collector Comics?
On Key Collector Comics, you can search for information on comic book titles, characters, writers, artists, and publishers. You can also browse through categories like 100 Iconic Superhero Covers or Batman's Greatest Arch-Enemies, and catalog your own inventory or build a wish list of key issues.
What makes a comic book a valuable "key" issue?
A comic book can be considered a valuable "key" issue if it features a character's first appearance, death or origin story, variant cover, iconic cover art, rare or recalled issue, or classic story.
How does Key Collector Comics simplify the hobby of collecting?
Key Collector Comics combines everything a collector needs into one, simple-to-use, free mobile app. With this app, you can search for information, determine a value, catalog your inventory, and keep track of your wish list all in one place.
How often is the database updated?
The database is updated at least once a week to include new character debuts that have been announced. You can add these comic books to your "wanted" list before they even hit the shelves so you don't miss a thing.
What features does Key Collector Comics offer?
Key Collector Comics offers a simplified price guide and grading assessment, the ability to expand or collapse displayed comic covers, and a filtering option that lets you search in a specific comic book age (Golden Age, Silver Age, Bronze Age, etc.). You can also select the grade of your book and record the amount you paid for it to accurately view the sum total of your investment.

Alternatives to Key Collector Comics Database & Price Guide App

Looking for apps like Key Collector Comics Database & Price Guide App? Here are 6 similar Android apps on Google Play. The highest rated is League of Comic Geeks (4.6/5), and all 6 are free to download.

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