Comparison

Exploding 7's vs Blitz21

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

Head to head
About

Exploding 7's

A straightforward card game designed for quick and enjoyable play. Test your luck and strategy in this simple yet engaging digital card experience.

Highlights
  • Simple card gameplay
  • Quick play sessions
  • Engaging card experience
  • Digital card game
Features
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A fun and simple card game app.

About

Blitz21

Features
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Blitz21: Fast Card Puzzle is a fast-paced card brain game that puts a strategic twist on the classic game of 21. Place cards into columns and try to reach exactly 21 in each one. Go over and you bust, but hit 21 perfectly for massive bonus points. HOW TO PLAY Cards are dealt one at a time from the deck. Place each card into one of four columns. Your goal is to make each column add up to exactly 21 for maximum points. Getting close to 21 still earns points, but going over 21 busts that column. Clear all four columns at 21 for a Blitz bonus multiplier. WHY PLAYERS LOVE BLITZ21 Blitz21: Fast Card Puzzle takes the excitement of blackjack-style card games and turns it into a solo brain puzzle. Each quick round takes just minutes, making it perfect for short breaks. The strategic card placement creates a satisfying blend of luck and skill that keeps you coming back for one more round. FEATURES - Fast-paced 21-point card puzzle with quick, addictive rounds - Strategic card placement across four columns - Perfect 21 bonus and Blitz multiplier for hitting all columns - High score tracking with personal best challenges - Multiple card deck designs and table themes - Clean, beautiful card game visuals with smooth animations - Quick rounds perfect for short gaming sessions and breaks - Brain training that improves mental maths and planning skills - Daily challenges with unique card puzzle setups - Lightweight app that works offline, no WiFi needed - Free to play card brain game with no registration required - Suitable for anyone who loves card games and number puzzles PERFECT FOR Blitz21: Fast Card Puzzle is perfect for fans of solitaire, blackjack, and number puzzle games. If you enjoy quick card games that challenge your brain, this 21-based puzzle delivers fast, satisfying rounds. Great for commutes, waiting rooms, or whenever you have a few minutes for a brain workout. Download Blitz21: Fast Card Puzzle now for free. Race to 21 today!

Screenshots

Exploding 7's4 screens
Blitz214 screens

Verdict

The call

The clearest difference is in-app purchases: Blitz21 at none against Exploding 7's's 1. Blitz21 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Exploding 7's's advantage is ads (none vs shown). 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. Exploding 7's sells 1 one-off in-app purchase. Blitz21 asks for nothing beyond the download.

Scorecard4 real differences · 6 level
Exploding 7's versus Blitz21: the parameters behind the verdict, then further details
ParameterExploding 7'sBlitz21
PriceFreeFree
Rating4.8 (6 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 4 days—
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size14 MB391 MB
Age rating4+4+
DeveloperJonathan GerberSomendra Shah

In-app purchases

1 purchases

Exploding 7's

One-time1
  • Remove ads$1.99
None

Blitz21

No in-app purchases

Questions

Is Exploding 7's free?
Exploding 7's is free to download, with in-app purchases available.
Is Blitz21 free?
Blitz21 is free to download, with no in-app purchases.
Do Exploding 7's or Blitz21 have ads?
Blitz21 shows ads; Exploding 7's does not.

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