Comparison

Key Collector Comics App vs Metron Comics

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Key Collector Comics App

Organize your comic book collection, discover new issues, and track their potential value. Access a comprehensive database and tools to manage your collection, from new releases to vintage finds. Upgrade for advanced features like key alerts and market insights.

Highlights
  • Organize and manage comic collections
  • Discover key and non-key comics
  • Track ownership and wishlists
  • Access pricing information
  • Identify comics with Cover Image Search
  • Receive Key Alerts and Hot Keys (Premium)
Features
Read full description

Key Collector Comics: Built for Every Collector Build your collection. Discover new comics. Track what you own. Understand what your books may be worth. Key Collector Comics gives every type of collector the tools to get more from the hobby. Whether you collect new releases, vintage comics, complete runs, favorite characters, iconic covers, graded books, or valuable key issues, Key Collector helps you discover, organize, and enjoy your collection in one place. Your Entire Collection, Organized Create and manage your comic collection for free. Search our extensive database, add the books you own, build your wishlist, and keep track of your collection wherever you go. Discover More of What You Love • Search an expansive database of key and non-key comics • Discover first appearances, origin stories, iconic covers, major events, and important storylines • Explore comics by character, creator, title, publisher, and category • Find new releases and build your weekly pull list • Identify comics quickly with Cover Image Search • Track the books you own and the comics you want • Access pricing information for buying, selling, and collecting • View graded comic pricing for supported books Whether you are new to collecting or have decades of experience, Key Collector helps you make informed decisions and discover more. Free Collection Management Organize and manage your collection without paying a subscription. Add as many comics as you want, track your collection, and create a personalized wishlist at no cost. Upgrade to Key Collector Premium Premium gives active collectors more ways to stay informed, discover opportunities, and follow the comic market. Premium features include: • Key Alerts: Notifications about important comics and collecting opportunities • Hot Keys: See which comics are gaining attention • Hidden Gems: Discover overlooked and undervalued issues • Dollar Bin Diver: Find affordable comics with collector potential • Cover Image Search: Take or upload a photo to identify a comic • Graded Pricing: Access expanded graded sales and pricing information • Curated Daily Content: Explore new discoveries, market activity, and featured books • Additional Premium Tools: Tools built for serious collectors Built for the Comic Collecting Community Key Collector Comics is trusted by collectors around the world and has been recognized by legendary comic creators, including Alex Ross and Neal Adams. Enjoy an ad-free experience built by fellow comic fans. Whether you collect one character, every issue of a favorite series, modern variants, Golden Age classics, graded comics, or anything that catches your eye, Key Collector Comics is your companion for the entire collecting journey. Download Key Collector Comics and start building your ultimate collection today. Subscriptions offering features beyond the free set of features are available monthly or yearly. Subscriptions provide access to premium features and curated content, including Key Alerts, Hot Keys, Dollar Bin Diver, graded pricing information, and other content updated regularly. • Payment will be charged to your Apple Account upon confirmation of purchase. • Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours before the end of the current period. • Subscriptions may be managed and auto-renewal turned off through your Apple Account Settings after purchase. • Any unused portion of a free trial, if offered, will be forfeited when a subscription is purchased, where applicable. Privacy Policy: [https://www.keycollectorcomics.com/privacy](https://www.keycollectorcomics.com/privacy) Terms of Use: [https://www.keycollectorcomics.com/terms](https://www.keycollectorcomics.com/terms)

About

Metron Comics

Explore a vast comic book database with an intuitive and enjoyable interface. Discover new titles and find your next favorite read without any interruptions. This community-supported platform offers a seamless comic discovery experience.

Highlights
  • Community-supported database
  • Easy navigation
  • Fun user interface
  • Comic discovery
  • Ad-free experience
Features
Read full description

Metron is a community-supported comic book database. It's easy to navigate, fun to use, and helps you discover your next favorite read! No ads, no friction, no nonsense. Just start exploring the great world of comics.

Screenshots

Key Collector Comics App4 screens
Metron Comics3 screens

Verdict

The call

The clearest difference is in-app purchases: Metron Comics at none against Key Collector Comics App's 6. Key Collector Comics App's advantage is ratings volume (16K vs 1) and update cadence (weekly vs every 3 weeks). On price, rating, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Key Collector Comics App sells 6 in-app purchases, starting at $3.99 per month. Metron Comics asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Metron Comics holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Key Collector Comics App has 16K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Key Collector Comics App ships an update weekly, Metron Comics every 3 weeks. The most recent releases landed on November 12, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Key Collector Comics App versus Metron Comics: the parameters behind the verdict, then further details
ParameterKey Collector Comics AppMetron Comics
PriceFreeFree
Rating4.8 (16K ratings)5.0 (1 ratings) — better
Positive reviews76.7% of reviews—
Number of ratings16K — better1
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better18.6
Further details — not scored
Size93 MB2 MB
Age rating12+4+
DeveloperNicholas CoglianeseBryan Deemer

Customer experience

Key Collector Comics App

All ratings15,913 ratings
Positive96.2%
Neutral2.0%
Negative1.7%
Written reviews326 reviews
Positive76.7%
Neutral8.3%
Negative15.0%

Metron Comics

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Key Collector Comics App

Reported bugs

3 issues
  • Login screen issues
  • Compatibility problems with older devices
  • Data loss after app updates

Requested features

5 requests
  • Ability to upload/add missing comics
  • More granular pricing options beyond low/mid/high
  • Sorting and filtering options for collections
  • Integration with other comic cataloging apps
  • Notification system for price/value changes

Metron Comics

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Key Collector Comics App

Subscriptions2
  • Key Collector Monthly$3.991 Month
  • Key Collector Yearly$39.991 Year
One-time4
  • 5 Argus Grades$1.99
  • 15 Argus Grades$4.99
  • 40 Argus Grades$9.99
Show 1 more
  • 100 Argus Grades$19.99
None

Metron Comics

No in-app purchases

Questions

Is Key Collector Comics App free?
Key Collector Comics App is free to download, with in-app purchases available.
Is Metron Comics free?
Metron Comics is free to download, with no in-app purchases.
Which has better reviews, Key Collector Comics App or Metron Comics?
Metron Comics is rated higher. Key Collector Comics App averages 4.8 out of 5 from 16K ratings, while Metron Comics averages 5.0 from 1 ratings.
Do Key Collector Comics App or Metron Comics have ads?
Neither Key Collector Comics App nor Metron Comics shows ads.
Which is updated more often, Key Collector Comics App or Metron Comics?
Key Collector Comics App ships an update weekly, and Metron Comics every 3 weeks. Most recently, Key Collector Comics App was updated on November 12, 2026 and Metron Comics on October 31, 2026.

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