Comparison

Number Ninjas Math Game vs Decimo

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
Read full description

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

Decimo

Features
Read full description

Decimo is a number-chain puzzle that starts with one simple rule and keeps getting deeper: link adjacent cells to build chains of numbers. The longer the chain, the bigger the score. Easy to learn, hard to master. BUILD CHAINS, MAKE THEM POP Drag your finger to connect numbers in ascending, descending, odd, even, or free order. Long chains trigger screen-shaking pops and combo bonuses. 15 WORLDS, 145 LEVELS From exploration forests to ocean depths, volcanoes, a black hole, dreamscapes and beyond time: every world has its own rule and mood. New mechanics are taught step by step, and the Endless Zone awaits when the levels run out. SIGNATURE MECHANICS - Rising Lava: clear downward or get buried. - Creeping Dark: darkness descends from the top, relight it with chains. - Fixed Board: no refill, plan every move. - Boss Fights: hit the exact target sum for double damage. - Ice, stone, bombs, portals, multipliers, and more. 7 POWER-UPS Hint, undo, bomb, shuffle, extra moves, joker, and double score to get you out of a jam. FEATURES - Three independent stars on every level, plus prestige stars - Daily challenges and streak bonuses - Cloud save across devices (optional sign-in) - Dark theme, colorblind mode, haptics and sensitivity settings - Interface in 12 languages Download, build your first chain, and feel the "just one more" pull. Decimo is waiting.

Screenshots

Number Ninjas Math Game4 screens
Decimo4 screens

Verdict

The call

The clearest difference is in-app purchases: Decimo at none against Number Ninjas Math Game's 1. Decimo 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. Decimo asks for nothing beyond the download.

UpkeepUpdate frequency

Number Ninjas Math Game ships an update every 9 days, Decimo every 3 days. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

Scorecard3 real differences · 7 level
Number Ninjas Math Game versus Decimo: the parameters behind the verdict, then further details
ParameterNumber Ninjas Math GameDecimo
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 MB118 MB
Age rating4+4+
DeveloperDavid MedawarUFUK CELIKELOGLU

In-app purchases

1 purchases

Number Ninjas Math Game

One-time1
  • Remove Ads$0.99
None

Decimo

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 Decimo free?
Decimo is free to download, with no in-app purchases.
Do Number Ninjas Math Game or Decimo have ads?
Decimo shows ads; Number Ninjas Math Game does not.
Which is updated more often, Number Ninjas Math Game or Decimo?
Number Ninjas Math Game ships an update every 9 days, and Decimo every 3 days. Most recently, Number Ninjas Math Game was updated on October 13, 2026 and Decimo on October 19, 2026.

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