Comparison

Purify the World vs BubbleBlockBlast

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

Head to head
About

Purify the World

Survive a zombie-infested world by collecting DNA, developing a vaccine, and collaborating with other survivors. Your mission is to cleanse the contaminated land and rebuild society.

Highlights
  • Zombie DNA collection and study
  • Vaccine creation and deployment
  • Contaminated surface purification
  • Cooperative survival gameplay
  • Post-apocalyptic world exploration
Features
Read full description

You must live in a world of devastation and zombies roaming the streets. You must collect and study zombie DNA, clean up the contaminated surface with a vaccine you create, and work with the few friends who are still alive to survive!

About

BubbleBlockBlast

Engage in a refreshing puzzle game where you strategically place falling blocks to clear lines and achieve high scores. Enjoy daily rewards and two distinct game modes for endless brain-training fun.

Highlights
  • Random bubble block placement
  • Easy drag-and-drop controls
  • Combo and high score mechanics
  • Ocean-themed visual design
  • Classic and Mission game modes
  • Daily rewards and lucky roulette
Features
Read full description

Pop and burst bubble blocks! Awaken your brain with refreshing puzzle fun! 'Bubble Block Puzzle' is a highly addictive, free puzzle game where new bubble blocks appear every round. With simple controls and endless variety, it’s the ultimate way to train your brain while having fun anytime, anywhere! Game Features • Random Bubble Puzzles: Strategically place randomly appearing bubble blocks to experience unique fun and excitement every time. • Easy and Intuitive Controls: Simple drag-and-drop gameplay makes it instantly accessible for everyone, young and old. • Thrilling Combos & High Scores: Clear multiple lines in a row to trigger powerful combos and break your own high score records. • Refreshing Ocean Theme: The clean ocean background and transparent, beautiful bubble blocks provide a visually comfortable playing environment. • Classic & Mission Modes: Focus on pure puzzle fun and challenge your best scores in 'Classic Mode', or solve various objectives in 'Mission Mode'. • Fun Daily Rewards: Double the fun with 'Daily Rewards' just for logging in and the 'Lucky Roulette Event' packed with amazing rewards! Download 'Bubble Block Puzzle' right now and dive into endless fun and fresh puzzle challenges!

Screenshots

Purify the World4 screens
BubbleBlockBlast4 screens

Verdict

The call

The clearest difference is in-app purchases: BubbleBlockBlast at none against Purify the World's 7. BubbleBlockBlast also leads on update cadence (every 2 weeks vs every 5 weeks). Purify the World's advantage is review sentiment (25% vs 0%) and iOS requirement (13.0 vs 15.0). On price, ads, monetization model 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. Purify the World sells 7 one-off in-app purchases. BubbleBlockBlast asks for nothing beyond the download.

UpkeepUpdate frequency

Purify the World ships an update every 5 weeks, BubbleBlockBlast every 2 weeks. The most recent releases landed on September 17, 2026 and September 26, 2026 respectively.

Scorecard4 real differences · 6 level
Purify the World versus BubbleBlockBlast: the parameters behind the verdict, then further details
ParameterPurify the WorldBubbleBlockBlast
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews25.0% of reviews — better0.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size301 MB305 MB
Age rating9+4+
DeveloperEureka Studio Inc.xpup

Customer experience

Purify the World

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

BubbleBlockBlast

Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

7 purchases

Purify the World

One-time7
  • Handful of Tickets$1.99
  • World Pack 1$2.99
  • Remove Ads$3.99
Show 4 more
  • Bundle of Tickets$4.99
  • World Pack 1 - Before Discount$9.99
  • Stack of Tickets$14.99
  • Mountain of Tickets$49.99
None

BubbleBlockBlast

No in-app purchases

Questions

Is Purify the World free?
Purify the World is free to download, with in-app purchases available.
Is BubbleBlockBlast free?
BubbleBlockBlast is free to download, with no in-app purchases.
Do Purify the World or BubbleBlockBlast have ads?
Both Purify the World and BubbleBlockBlast show ads.
Which is updated more often, Purify the World or BubbleBlockBlast?
Purify the World ships an update every 5 weeks, and BubbleBlockBlast every 2 weeks. Most recently, Purify the World was updated on September 17, 2026 and BubbleBlockBlast on September 26, 2026.

Other comparisons