Comparison

Number Ninjas 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

A casual merge puzzle game where players drag numbered blocks to match a target and clear the board. It offers over 450 levels, daily challenges, and timed modes for quick, engaging gameplay.

Highlights
  • Drag and merge numbered tiles
  • Match to glowing target
  • Clear the board to win
  • 450+ hand-built levels
  • Daily puzzle challenges
  • Timed ranking modes
Features
Read full description

Number Ninjas is a casual merge puzzle for players who already love number-block merge games. Drag blocks together, match the target, then clear the board. Each level is a quick merge challenge: combine tiles, hit the glowing target, and cut a path through the dojo. Daily puzzles, ninja belts, and 450+ hand-built boards. Built for casual puzzle fans who want one more merge round — fast to pick up, hard to put down. HOW TO PLAY • Drag numbered tiles together to merge them • Match the group to the glowing target • 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 merge 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 Ninjas4 screens
Decimo4 screens

Verdict

The call

The clearest difference is ads: Number Ninjas at none against Decimo's shown. Decimo's advantage is update cadence (every 3 days vs every 10 days). On price, in-app purchases, 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 sells 4 one-off in-app purchases and Decimo sells 10 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Number Ninjas ships an update every 10 days, Decimo every 3 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Number Ninjas versus Decimo: the parameters behind the verdict, then further details
ParameterNumber NinjasDecimo
PriceFreeFree
Rating5.0 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 10 daysEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
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

4 purchases

Number Ninjas

One-time4
  • Starter Coin Pack$0.99
  • Remove Ads$0.99
  • Popular Coin Pack$2.99
Show 1 more
  • Big Coin Pack$5.99
10 purchases

Decimo

Subscriptions2
  • VIP Monthly$4.991 Month
  • VIP Yearly$39.991 Year
One-time8
  • 500 Coins + 10 Gems$0.99
  • Life Refill$0.99
  • Starter Pack$1.99
Show 5 more
  • Welcome Pack$1.99
  • 1500 Coins + 40 Gems$2.99
  • Remove Ads$4.99
  • 4000 Coins + 120 Gems$6.99
  • 10000 Coins + 400 Gems$14.99

Questions

Is Number Ninjas free?
Number Ninjas is free to download, with in-app purchases available.
Is Decimo free?
Decimo is free to download, with in-app purchases available.
Do Number Ninjas or Decimo have ads?
Decimo shows ads; Number Ninjas does not.
Which is updated more often, Number Ninjas or Decimo?
Number Ninjas ships an update every 10 days, and Decimo every 3 days. Most recently, Number Ninjas was updated on October 30, 2026 and Decimo on October 25, 2026.

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