Comparison

Number Ninjas Math Game vs StackTower 2D

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

Head to head
About

Number Ninjas Math Game

This game transforms math practice into an exciting adventure with tile-matching puzzles. It offers a fun way to improve number sense, speed, and focus through progressively challenging levels. Compete globally on leaderboards or enjoy daily puzzles in a distraction-free environment.

Highlights
  • Tile-matching math puzzles
  • 300+ progressive levels
  • Daily exclusive puzzles
  • Endless survival mode
  • Kid-safe global leaderboards
  • Focus-enhancing design
Features
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Number Ninjas is a target-number puzzle. Slide tiles together until they match the target, then swipe to clear the board. Each level is a compact logic puzzle: combine numbers, hit the target, and cut a path through the dojo. Daily puzzles, ninja belts, and 450+ hand-built levels. A number puzzle with a ninja theme — quick to pick up, hard to put down. HOW TO PLAY • Slide numbered tiles together to combine their values • Match the sum to the glowing target number • Clear the board to finish the level MODES • Adventure: 450+ levels across White, Red, and Black Belt • Daily Puzzle: one new board every day, with a streak • Timed ranks if you want to go faster Number Ninjas keeps the ninja, the belts, and the dojo. The puzzle is the point.

About

StackTower 2D

Features
Read full description

Test your timing and precision in this arcade game. Tap to drop blocks and stack them perfectly to build the tallest tower possible. But be careful - misaligned blocks get trimmed, making your tower narrower with each mistake!

Screenshots

Number Ninjas Math Game4 screens
StackTower 2D4 screens

Verdict

The call

The clearest difference is in-app purchases: StackTower 2D at none against Number Ninjas Math Game's 1. StackTower 2D also leads on update cadence (every 3 days vs every 9 days). Number Ninjas Math Game's advantage is ads (none vs shown). On price, device support and iOS requirement 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. Number Ninjas Math Game sells 1 one-off in-app purchase. StackTower 2D asks for nothing beyond the download.

UpkeepUpdate frequency

Number Ninjas Math Game ships an update every 9 days, StackTower 2D every 3 days. The most recent releases landed on October 13, 2026 and September 27, 2026 respectively.

Scorecard3 real differences · 7 level
Number Ninjas Math Game versus StackTower 2D: the parameters behind the verdict, then further details
ParameterNumber Ninjas Math GameStackTower 2D
PriceFreeFree
Rating5.0 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 9 daysEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size121 MB8 MB
Age rating4+4+
DeveloperDavid MedawarPravin Barapatre

In-app purchases

1 purchases

Number Ninjas Math Game

One-time1
  • Remove Ads$0.99
None

StackTower 2D

No in-app purchases

Questions

Is Number Ninjas Math Game free?
Number Ninjas Math Game is free to download, with in-app purchases available.
Is StackTower 2D free?
StackTower 2D is free to download, with no in-app purchases.
Do Number Ninjas Math Game or StackTower 2D have ads?
StackTower 2D shows ads; Number Ninjas Math Game does not.
Which is updated more often, Number Ninjas Math Game or StackTower 2D?
Number Ninjas Math Game ships an update every 9 days, and StackTower 2D every 3 days. Most recently, Number Ninjas Math Game was updated on October 13, 2026 and StackTower 2D on September 27, 2026.

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