Comparison

Deck Dash vs 21 Trainer

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

Head to head
About

Deck Dash

Engage in strategic card battles on a mysterious island, collecting and upgrading powerful cards to defeat rivals. Customize your avatar and develop turn-by-turn strategies to survive and ascend the ranks in this competitive RPG combat experience.

Highlights
  • Epic Card Duels
  • Competitive RPG Combat
  • Collect and Upgrade Cards
  • Turn-by-Turn Strategy
  • Variety of Weapons
  • Card Combinations
Features
Read full description

Multiverses converge on a mysterious island. You'll join numerous survivors to thrive, to survive and to become the ultimate survivor. Craft Your Battle Strategy with Powerful Cards: Collect cards, from melee to firearm and utility. Craft your winning card battle strategy. Forge your deck, combine and merge cards to defeat rivals in epic card wars. Survival Through Tactical Card Wars: Customize and strengthen your avatar, develop turn-by-turn strategies and transform ordinary cards into legendary ones to dominate in epic fights. Arm Yourself with Weapons Galore: From Flare Guns to AK-47s and even unexpected items like corn, wield a variety of weapons. Survive and thrive on the island by collecting and upgrading your arsenal. Challenge Your Friends in Card Duels: Build your card duel strategy and face off against friends. Battle to survive and ascend the ranks among fellow survivors! No Pay-to-Win, Just Play-to-Win: Experience fair rpg gameplay where skill and card battle strategy reign supreme. Here's what you'll get: - Epic Card Duels - Competitive RPG Combat Experience - Flare Gun, Workbench, Crowbar, Rifle, or Pan! Dozens of weapons - Unique helmet designs - Melee, Firearm, and utility cards - Endless RPG card combat - Collect and upgrade cards - Turn by turn battle strategy - Tons of card combinations This is an island full of fun and excitement. Upgrade your cards, build your deck according to your war strategy, and plan your next dash to overcome epic duels with your rivals. Download Deck Dash now and immerse yourself in endless tactical card combat! Follow us on YouTube, Instagram, Facebook, TikTok, and X! TikTok: https://www.tiktok.com/@deck.dash Instagram: https://www.instagram.com/deckdashgame?igsh=NzVnaTJlenhocmFw Facebook: https://www.facebook.com/people/Deck-Dash/61560998064662/ X: https://x.com/DeckDashGame YouTube: https://www.youtube.com/channel/UCta2iUX_2a__r3xxbUT9qVA Leave a comment and let us know what you think of the game! We're here to improve the game you love!

About

21 Trainer

Read full description

21 Trainer is a focused practice app for learning blackjack fundamentals and mastering the Hi-Lo counting system. Play hands in a clean table view, then switch to dedicated training and quick drills to build speed and accuracy. Features: - Play mode to practice real decision flow hand by hand. - Training mode for running and true count practice with optional quizzes. - Quick Drills with adjustable duration, auto-advance pace, mid-quizzes, and a final check. - Detailed statistics across play, training, and drills: hands played, win rate, counting accuracy, and decision time. - Customization for decks, themes, card styles, and quiz options. Whether you are new to counting or polishing your skills, 21 Trainer helps you practice deliberately and track your progress over time.

Screenshots

Deck Dash4 screens
21 Trainer4 screens

Verdict

The call

The clearest difference is in-app purchases: 21 Trainer at none against Deck Dash's 10. 21 Trainer also leads on ads (none vs shown). Deck Dash's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 26.0). On price 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. Deck Dash sells 10 one-off in-app purchases. 21 Trainer asks for nothing beyond the download.

Scorecard4 real differences · 6 level
Deck Dash versus 21 Trainer: the parameters behind the verdict, then further details
ParameterDeck Dash21 Trainer
PriceFreeFree
Rating4.6 (414 ratings) — better—
Positive reviews55.7% of reviews—
Number of ratings414 — better—
Update frequencyEvery 2 weeks—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better26.0
Further details — not scored
Size301 MB4 MB
Age rating12+4+
DeveloperJoygame Oyun ve Teknoloji A.S.Jan Haider

Bugs and requests

Deck Dash

Reported bugs

5 issues
  • Incorrect card descriptions
  • Opponents having impossible card setups
  • Inconsistent win/loss calculations
  • Disappearing in-game items and progress
  • Frequent crashes and connection issues

Requested features

5 requests
  • More game modes and content
  • Ability to save multiple decks
  • Improved matchmaking and player base
  • Ranked/competitive mode
  • Better rewards and progression system

21 Trainer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Deck Dash

One-time10
  • Sack Of Gem$0.99
  • Vault Key$0.99
  • Early Bird$1.99
Show 7 more
  • Welcome Bundle!$2.99
  • Bag Of Gem$4.99
  • Welcome Bundle$4.99
  • Wannabe Castaway Pack$9.99
  • Season Pass 3$9.99
  • Season Pass 2$9.99
  • Gem Pass$9.99
None

21 Trainer

No in-app purchases

Questions

Is Deck Dash free?
Deck Dash is free to download, with in-app purchases available.
Is 21 Trainer free?
21 Trainer is free to download, with no in-app purchases.
Do Deck Dash or 21 Trainer have ads?
Deck Dash shows ads; 21 Trainer does not.

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