Comparison

Block Blast Online vs Duo Blocks

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

Head to head

Online Puzzle Game

About

Block Blast Online

Features

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Block Blast Online Get ready for the ultimate block puzzle challenge! Block Blast Online is an addictive and strategic puzzle game where every move matters. Compete Worldwide Climb the global leaderboard and prove you’re the best puzzle master in the world.Place blocks, clear lines, and score big — but that’s just the beginning. Dominate Your Country Challenge players in your country and rise to the top of the national rankings. Beat Your Friends Add friends, compare scores, and see who has the sharpest mind. Bragging rights are on the line!

About

Duo Blocks

Features

Read full description

A calm two-player block puzzle for one shared phone. Take turns placing pieces, help the next player, and build a cozy score together.

Screenshots

Block Blast Online4 screens

Duo Blocks4 screens

Verdict

The call

The clearest difference is update cadence: Duo Blocks at daily against Block Blast Online's every 2 days. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Block Blast Online ships an update every 2 days, Duo Blocks daily. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 5 level

Block Blast Online versus Duo Blocks: the parameters behind the verdict, then further details
Parameter	Block Blast Online	Duo Blocks
Price	Free	Free
Update frequency	Every 2 days	Daily — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0	15.0
Further details — not scored
Size	239 MB	25 MB
Age rating	4+	4+
Developer	Ali Kales	Yuki Inaba

In-app purchases

None

Block Blast Online

No in-app purchases

None

Duo Blocks

No in-app purchases

Questions

Is Block Blast Online free?

Block Blast Online is free to download, with no in-app purchases.

Is Duo Blocks free?

Duo Blocks is free to download, with no in-app purchases.

Do Block Blast Online or Duo Blocks have ads?

Neither Block Blast Online nor Duo Blocks shows ads.

Which is updated more often, Block Blast Online or Duo Blocks?

Block Blast Online ships an update every 2 days, and Duo Blocks daily. Most recently, Block Blast Online was updated on October 31, 2026 and Duo Blocks on October 25, 2026.