iOS, Android, OSX & Windows

Your device, your comic books

Your Collection

Keep track of all your comics

Price Guide

Comic book values at your finger tips

Visual Stats

See quick widgets of your entire collection

Top Titles

Trending titles, recent changes & more

Issue Info

Writers, artists, cover art, values & more

Full Covers

Make sure you're referencing the right comic


Need to know the value of an old issue of Superman or The Avengers? Want to see what the price is for the first comic book legend Stan Lee did for Marvel Comics? Missing a few issues of Batman, The Amazing Spider-Man or Hulk and can't remember which ones? Have a variant zombie cover or pile of old horror comics you need to know more about?

Stay up-to-date with Zap-Kapow with our iOS app or our NEW cross-platform, web application. As new issues and price updates are released every month, you'll never need to lug around a bulky comic book price guide or other reference material again.


Built exclusively for iOS devices in 2009, the current Version 3.3.3 is the final App Store version of Zap-Kapow that will be available. In 2016, Zap-Kapow Comics relaunched as a web application for iOS, Android, OSX, and Windows devices, adding a slew of new features. Check out the past versions and features we've added below ...

  • ZKC 1.0

    The all-new Zap-Kapow came out of beta September 2, 2016

    After over a month of beta testing by users (thank you!), the all-new Zap-Kapow Comics was ready for prime time.

  • Beta 3.0

    Update released in August 2016

    Added tweaks to auto-complete search feature, minor updates to issue listing views, and corrected some early beta bugs.

  • Beta 2.0

    Our first beta update was released in July 2016

    Added the ability to mass add and mass remove full runs of a title to your collection.

  • Beta 1.0

    The completely rewritten, browser-based version was released in July 2016

    The new Zap-Kapow Comics was rewritten from scratch to work in any browser, mobile or desktop, with features our users had been requesting for years.

  • iOS 3.3.3

    Version 3.3.3 of Zap-Kapow was released in February 2016

    Fixed another issue where some users were not able to update their price guide. This is the final iOS version of Zap-Kapow that will be available in the App Store.

  • iOS 3.3.2

    Version 3.3.2 of Zap-Kapow was released in January 2016

    This update fixed an issue where some users were not able to update their price guide correctly. Also included a hidden "No Prize" for their troubles ...

  • iOS 3.3

    Version 3.3 of Zap-Kapow was released in November 2015

    Doh! Few more bug fixes left over from 3.2.

  • iOS 3.2

    Version 3.2 of Zap-Kapow was released in October 2015

    Zap-Kapow Version 3.2 fixed a handful of bugs from 3.1, including layout tweaks and minor compatibility with some older devices. Brought up to iOS 9 standards.

  • iOS 3.1

    Version 3.1 of Zap-Kapow was released in July 2015

    After a false re-start with 3.0, the long-awaited 3.1 fixed the major crashing issues created by iOS 8. It also slightly modified the cover art size, added numeric grades next to the traditional ones, and updated the home screen icon.

  • iOS 3.0

    Version 3.0 of Zap-Kapow was released ... Never

    Apple's update to iOS 8 caused major issues with our little app. After believing we had a fix in place with 3.0, we quickly found out we were wrong. 3.0 only lived for about a day before being pulled.

  • iOS 2.7

    Version 2.7 of Zap-Kapow was released in April 2013

    Minor bug fixes and updates.

  • iOS 2.5

    Version 2.5 of Zap-Kapow was released in December 2012

    iOS 6 compliant; Optimized for iPhone 5 users; Fixed bug in sorting order of Favorites; Various bug and performance updates

  • iOS 2.2

    Version 2.2 of Zap-Kapow was released in December 2011

    Bug fix on issue preventing update of in-app price guides

  • iOS 2.1

    Version 2.1 of Zap-Kapow was released in November 2011

    Bug fix on issue caching after price guide updates

  • iOS 2.0

    Version 2.0 of Kap-Kapow was released in October 2011

    iOS 5 compliant; Favorites listed in alphabetical order; Sort issues in descending or ascending order; First appearance information also now displayed in issues list; Facebook support; Ability to set default conditions for prices in price guide; Searching for a character by name will also list the title of his first appearance; Recent updates listed; Universal app works on both iPhone and iPad; Offline browsing of favorites

  • iOS 1.4

    Version 1.4 of Kap-Kapow was released in December 2009

    Twitter integration - tweet your collection's awesomeness to your peeps; Minor bug fixes and speed enhancements

  • iOS 1.3

    Version 1.3 of Kap-Kapow was released in October 2009 and added some minor tweaks to the search engine as well as our most requested feature ever

    Ability to save your favorite comics as "have" or "want" and total up their value; Notification of new price guide updates being available; Minor bug fixes and speed enhancements

  • iOS 1.2

    Version 1.2 (we actually skipped version 1.1 due to some crazy Apple approval shenanigins) was released in mid-August 2009

    Ability to save from over 118,000 covers to iPhone or iPod Touch photos, perfect for wallpapers; Purchase select issues via ThingsFromAnotherPlanet.com (since removed); Minor bug fixes and speed enhancements; Report issue corrections ... See something we missed? Let us know from with the click of a button

  • iOS 1.0

    Zap-Kapow launches in the Apple App Store

    Becoming the very first comic book price guide in the Apple App Store, Zap-Kapow: A Guide To Comic Books launched on July 2, 2009


Zap-Kapow By The Numbers











"With great power comes great responsibility ..." Marvel's flagship title and the world's favorite wall-crawler has long been a favorite of readers and collectors alike. The Amazing Spider-Man (1963) currently sits in the top spot of trending comic books on Zap-Kapow.


"Protecting a world that hates and fears them ..." Marvel's main mutant series is currently the second highest trending title on Zap-Kapow. Featuring more first appearances during its 50 year run than any other comic book, Uncanny X-Men (1963) issues are highly sought after by collectors.


"How many walkers have you have you killed? How many people have you killed? Why?" Rick Grimes and company have thrilled comic book readers and television fans alike, and led the way for a revitalized Image Comics.

See what else is trending on Zap-Kapow ...
Trending Comic Books on Zap-Kapow Comics

@ZapKapowComics was incl in the best list of iOS apps 4 comic lovers. Spr the word! http://bit.ly/17HVriR


Got @Comic_Con withdrawal? You can still find #comic books at great prices thanks to @ZapKapowComics app! http://ow.ly/mZ0W6


Yes, and I bring you with me everywhere! RT @ZapKapowComics: Need a price guide in your pocket today? #SDCC


@ZapKapowComics I'm a long time comic book collector. I've used many catalog/guide apps, yours is by far the best and at great price!


Most Valuable

The Holy Grails of comic book collecting. The Top 4 most valuable comics of all time ...

Action Comics No. 1


Action Comics No. 1

Detective Comics No. 27


Detective Comics No. 27

No. 1


Superman No. 1

Marvel Comics
No. 1


Marvel Comics No. 1

Everybody Loves Comics ...


We love to make Top 10 comic book lists and jibber-jabber about our favorite hobby. The best, worst and everything in between according to us!

Top 10 Monsters In Comics

Top 10 Monsters In Comics

Villains, heroes, and everything in between, here are the top monsters in comics.

Top 10 Issues With Most Variants

Top 10 Most Variants

Love them or hate them, variant covers are a big part of the industry ...

Top 10 Cover Artists

Top 10 Cover Artists

Some of the top cover artists working in comic books today ...

Top 10 Marvel Limited Series

Top 10 Marvel Limited Series

Short, but oh so sweet ... The best of Marvel's limited series.

Top 10 Star Wars Characters

Top 10 Star Wars Characters

The most interesting characters from a galaxy far, far, away ...

Top 10 Moments In Spider-Man Comics

Top 10 Spider-Man Moments

These are the best moments from Marvel's flagship character's long and colorful history.

Top 10 Best Horror Comics

Top 10 Best Horror Comics

Ghouls, blood-suckers, monsters and worse ... The best of comic book's horror genre.

Top 10 Best Villians In Comics

Top 10 Best Villains In Comics

Murderers, killers, and psychopaths. These are the 10 best (worst?) villains in comics.

Top 10 Best Selling Comic Books of the Modern Era

Top 10 Best Selling Comic Books

Ever wonder what the top selling comics of the modern era are? Here's the official list.

Top 10 Best X-Men

Top 10 Best X-Men

Protecting a world that fears and hates them, these are the best Marvel mutants.

Top 10 Best Avengers

Top 10 Best Avengers

Their roster numbers are huge, but here are our Top 10 Best Avengers.

Top 10 Batman Contributions To Pop Culture

Top 10 Batman Contributions

As the Dark Knight turns 75 this year, here are his top contributions to pop culture.

Top 10 Superhero Deaths In Comics

Top 10 Most Expensive Comics

The Holy Grails of any collection ... The Top 10 most exspensive comic books. Ever.

Top 10 Superhero Deaths In Comics

Top 10 Superhero Deaths

The Top 10 most memorable deaths in comics (SPOILER ALERTS!) ...

Top 10 Comic Book Battles

Top 10 Comic Book Battles

Countdown the Top 10 best fights, throwdowns, and battles in comic book history.

Top 10 Comic Books Based on Toys

Top 10 Comics Based on Toys

Toys, board games, video games and more ... The best translations so far.

Top 10 Best Superhero Accessories Of All Time

Top 10 Best Accessories

Weapons, gadgets, mystical items and more ... The best superhero accessories ever.

Top 10 Best Image Comic Titles Of All Time

Top 10 Best Image Comic Titles

The platform made for creators, by creators ... Here's Image's 10 best titles to date.

Worst Comic Book Movies Of All Time

Top 10 Worst Comic Movies

This list could have been much longer, but here's our picks ...

Comic Book Costumes

Top 10 Superhero Costumes

Capes, cowls, armor and more ... We rank the very best superhero getups of all time.

Comic Books and Rock Music

Top 10 Rock 'n Roll Moments

Comic books and music have a long history together. We rank the best moments.


Search Zap-Kapow Comics's library of over 200,000 issues for publisher, writer, artist and price guide info as well as to see covers to make sure you're referencing the right comic book. From The Walking Dead to Iron Man, superhero, horror or cartoon comic books, Zap-Kapow Comics has it all ...


“ For anyone who's hoping to avoid being ripped off when purchasing the latest addition to your collection of comics, it's worth giving Zap-Kapow! a shot for its convenience, accuracy and novelty.
The App Recapp

“ We recommend Zap-Kapow ...”Geekvolution

“ My favorite feature of the app is its ability to save comic book cover images directly to your camera roll. It's a great indirect way to decorate your iPad with excellent comic wallpapers. ”App Advice

“ This handy app will keep changing values in the comic market on 150,000+ issues and variants right at your fingertips. ”Steena Williams, Paper Droids

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