Comparison

Black Jack Trainer Masterclass vs COMC

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

Head to head
About

Black Jack Trainer Masterclass

Master the game of blackjack with expert strategy lessons. Learn when to hit, stand, split, double, or surrender to beat the dealer. This app focuses on teaching optimal play without actual betting.

Highlights
  • Learn expert blackjack strategy
  • Master Hit, Stand, Split, Double, Surrender
  • Focus on optimal play
  • No real money betting
  • Video masterclass format
Features
Read full description

Welcome to the video masterclass of Mr BlackJack - Learn how to beat the dealer and play the game of blackjack perfectly, based on Mr BlackJacks strategy. The famous Mr BlackJack teaches you how to play BlackJack correctly, when to Hit, Stand, Split, Double or Surrender based on his strategy. In this game you will not be able to play the full hand or play for money (not even fake money) - it is a trainer-app for every blackjack enthusiast. Your membership starts as soon as you set up payment and subscribe with iTunes. Your monthly charge will occur on the last day of the current billing period. We'll renew your membership for you (unless auto-renew is turned off 24 hours before the end of your billing cycle). You can manage and cancel your subscription by going to your account settings on the App Store. By continuing, you are agreeing to these terms (https://hornetventures.com/tou.html). See the privacy statement (https://hornetventures.com/privacy.html).

About

COMC

This app provides a secure and convenient platform for buying, selling, and collecting sports, Marvel, and TCG cards. It offers a vast marketplace with millions of cards, allowing users to list items for sale, manage offers, and even submit cards for grading.

Highlights
  • Buy and sell cards
  • Collect cards
  • Over 30 million cards in marketplace
  • Card vault and storage
  • Cross-listing to eBay
  • Third-party grading submissions
  • Inventory manager
Features
Read full description

COMC – Check Out My Cards The Ultimate Card Marketplace | Buy, Sell & Collect The safe and easy way to buy and sell cards! Searching for sports, Marvel or TCG cards? Check out COMC’s bustling marketplace of over 30 million cards with inventory changing by the minute! The original vault- Since 2005 COMC has provided collectors with a safe and easy way to buy, sell, collect and resell sports and non-sports cards. Collectors may purchase and relist cards for sale in only a few clicks without taking physical ownership. Set a fixed price to instantly list your card or submit your card to Auction, both options feature cross-listing to eBay. Or, add purchased cards to your Inventory over time and make one shipment request when you are ready to receive the cards. Cards are consigned by users, then stored and shipped from our facility. The COMC team verifies authenticity, accurately lists each card and provides high-quality scans. Upon request for shipment home or submission to grading, our experienced team expertly handles and packs your cards. Our service is ideal for hobbyists looking to avoid the hassle of housing, listing and shipping individual cards. International collectors will benefit as cards from multiple sellers will be conveniently sent in one shipment. THIRD-PARTY GRADING COMC is pleased to partner with some of the hobby’s premier third-party grading services to allow for grading submissions through our platform. Click to submit cards to any of our third-party grading partners, and our expert team will provide white-glove service as we prepare and submit the card to your desired grading service. INVENTORY MANAGER Control your inventory from our centralized Inventory Manager page. Update the pricing of a card instantly or submit a card already in your COMC account to Third-Party grading from this page. Review all cards in your account and check the list price of your items against other copies for sale. App Features: Saved Searches- Do you have a favorite team, player, set or other specifics you are constantly hunting for? Our Saved Search feature allows you to run your desired search at the click of a button! Recently Viewed- Quickly and easily browse cards that you have recently viewed with this dedicated section on our app. Manage Offers- Incoming and outgoing offers are clearly displayed and are easily monitored from our Manage Offers section. Send offers and navigate deals!

Screenshots

Black Jack Trainer Masterclass4 screens
COMC4 screens

Verdict

The call

The clearest difference is rating: Black Jack Trainer Masterclass at 4.8 against COMC's 2.7. Black Jack Trainer Masterclass also leads on ads (none vs shown) and review sentiment (50% vs 23%). COMC's advantage is in-app purchases (none vs 2). On price, ratings volume, update cadence 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. Black Jack Trainer Masterclass sells 2 in-app purchases, starting at $4.99 per month. COMC asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Black Jack Trainer Masterclass holds the better App Store score, 4.8 against 2.7. Both are backed by a comparable volume of ratings — 39 and 103 respectively. Written reviews point the same way: 50% of Black Jack Trainer Masterclass's written reviews are positive against 23% of COMC's.

UpkeepUpdate frequency

Black Jack Trainer Masterclass ships an update every 2 months, COMC monthly. The most recent releases landed on November 3, 2026 and November 12, 2026 respectively.

Scorecard6 real differences · 4 level
Black Jack Trainer Masterclass versus COMC: the parameters behind the verdict, then further details
ParameterBlack Jack Trainer MasterclassCOMC
PriceFreeFree
Rating4.8 (39 ratings) — better2.7 (103 ratings)
Positive reviews50.0% of reviews — better23.1% of reviews
Number of ratings39103 — better
Update frequencyEvery 2 monthsMonthly — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.7 — better17.6
Further details — not scored
Size50 MB39 MB
Age rating12+4+
DeveloperBlackJack Trainer 21 Training AGCOMC

Customer experience

Black Jack Trainer Masterclass

All ratings39 ratings
Positive94.9%
Neutral2.6%
Negative2.6%
Written reviews6 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

COMC

All ratings97 ratings
Positive37.1%
Neutral7.2%
Negative55.7%
Written reviews52 reviews
Positive23.1%
Neutral7.7%
Negative69.2%

Bugs and requests

Black Jack Trainer Masterclass

Not enough reviews yet to summarise bugs or requests.

COMC

Reported bugs

42 issues
  • Saved search function broken
  • App freezes when clicking saved search
  • App won't allow sign in after password reset
  • App freezes on sign-in screen
  • App has error when loading dashboard
Show 37 more
  • App lags constantly
  • App crashes
  • App is glitchy
  • App kicks user out frequently
  • App not loading
  • Spinning ball of death
  • Cannot add funds to account
  • Cannot login even when logged in
  • Cannot flip all photos at once
  • App is slow
  • Features not available on app
  • Terrible uptime and performance
  • App refreshes and goes back to login screen
  • App buffers
  • App takes 5 minutes to open
  • App is barely functional
  • App killed the joy of using the service
  • App never loads
  • Cannot figure out how to list cards
  • App requires phone upgrade
  • App closes when opened
  • App closes after sign in
  • Cannot remove items from watch list
  • Cannot withdrawal cards or money
  • Not getting verification codes
  • Saved searches have constant errors
  • Dashboard not on app
  • Cannot do anything other than see/accept/decline offers
  • Search feature not great
  • Clicking dashboard redirects to website
  • App crashes after 2-3 seconds
  • App opens for 2 seconds and shuts off
  • App keeps closing after hitting search
  • Refreshing offer screens goes blank or half updates
  • Cannot add item to watchlist
  • Password expired message even though works on website
  • Captcha still present

Requested features

15 requests
  • Add dashboard feature to the app
  • Allow removal of items from watch list
  • Fix watch list functionality
  • Add COMC challenge to the app
  • Mobile dashboard
Show 10 more
  • Add dashboard within the app
  • Improve UI/UX
  • Fix saved search functionality
  • Fix login issues
  • Add ability to see card backs
  • Improve search functionality
  • Add ability to filter by sport, year, and set
  • Show shipping costs
  • Allow adding items to watchlist
  • Fix password expiration issues

In-app purchases

2 purchases

Black Jack Trainer Masterclass

Subscriptions2
  • Never Split 10s Full Version$4.991 Month
  • Unlock All Features - Yearly7 Days trial$19.991 Year
None

COMC

No in-app purchases

Questions

Is Black Jack Trainer Masterclass free?
Black Jack Trainer Masterclass is free to download, with in-app purchases available.
Is COMC free?
COMC is free to download, with no in-app purchases.
Which has better reviews, Black Jack Trainer Masterclass or COMC?
Black Jack Trainer Masterclass is rated higher. Black Jack Trainer Masterclass averages 4.8 out of 5 from 39 ratings, while COMC averages 2.7 from 103 ratings.
Do Black Jack Trainer Masterclass or COMC have ads?
COMC shows ads; Black Jack Trainer Masterclass does not.
Which is updated more often, Black Jack Trainer Masterclass or COMC?
Black Jack Trainer Masterclass ships an update every 2 months, and COMC monthly. Most recently, Black Jack Trainer Masterclass was updated on November 3, 2026 and COMC on November 12, 2026.

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