Comparison

Stack Number vs Merge Dots & Biology

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

Head to head
About

Stack Number

Tap to drop blocks and merge adjacent ones with the same value to create higher numbers. Aim for the highest score possible in this engaging puzzle game.

Highlights
  • Block dropping mechanic
  • Adjacent block merging
  • Number value progression
  • High score pursuit
  • Simple tap controls
Features
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stack number block to get high score! tap anywhere to let the block fall down,blocks in the top screen is the blocks will be fallen. you can merge 2 adjacent blocks if they have the same value and get a bigger number,hope you get a high score.

About

Merge Dots & Biology

Features
Read full description

This engaging puzzle game offers two completely different merging modes! In Form Merging Mode, combine shapes and use strategic thinking to earn points. In Biological Mode, you can merge your way from tiny molecules to complex life forms, discovering each stage of evolution in a fun and kid-friendly interactive journey. With customizable grid sizes, bomb mode, vibrant colors, and game modes like Classic, Timed, and Reverse, the challenge never ends!

Screenshots

Stack Number4 screens
Merge Dots & Biology4 screens

Verdict

The call

The clearest difference is price: Stack Number at Free against Merge Dots & Biology's $1.99. Stack Number also leads on iOS requirement (15.0 vs 17.5). Merge Dots & Biology's advantage is ads (none vs shown). On update cadence, 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

Stack Number is free to download; Merge Dots & Biology costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Stack Number ships an update every 24 months, Merge Dots & Biology every 13 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Stack Number versus Merge Dots & Biology: the parameters behind the verdict, then further details
ParameterStack NumberMerge Dots & Biology
PriceFree — better$1.99
Rating4.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 24 monthsEvery 13 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.5
Further details — not scored
Size17 MB1 MB
Age rating4+4+
Developer亚州 王Max Babenko

In-app purchases

None

Stack Number

No in-app purchases

None

Merge Dots & Biology

No in-app purchases

Questions

Is Stack Number free?
Stack Number is free to download, with no in-app purchases.
Is Merge Dots & Biology free?
Merge Dots & Biology costs $1.99, with no in-app purchases.
Do Stack Number or Merge Dots & Biology have ads?
Stack Number shows ads; Merge Dots & Biology does not.
Which is updated more often, Stack Number or Merge Dots & Biology?
Stack Number ships an update every 24 months, and Merge Dots & Biology every 13 months. Most recently, Stack Number was updated on October 24, 2026 and Merge Dots & Biology on October 25, 2026.

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