Comparison

Number Ninjas Math Game vs Retro Box Play

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

Retro Box Play

Features
Read full description

RetroThinkerz is a relaxing and addictive block puzzle game designed to train your brain and challenge your logic! Simply drag and drop different shaped blocks into the grid and fill the lines to clear them. There's no time limit — just pure puzzle fun. How to Play Drag blocks from the bottom and place them on the board Fill rows or columns to clear them The game ends when there's no space left for a new block Play smart, plan ahead, and aim for the highest score! Why You'll Love RetroThinkerz Classic block puzzle gameplay Smooth drag-and-drop controls Clean and minimal design Soothing sound effects Play offline anytime, anywhere No time pressure – just you and your puzzle strategy Perfect for fans of relaxing brain games, RetroThinkerz is easy to pick up but hard to master. Whether you have a few minutes or hours to spare, dive into a world of calm, challenge, and endless fun.

Screenshots

Number Ninjas Math Game4 screens
Retro Box Play4 screens

Verdict

The call

The clearest difference is in-app purchases: Retro Box Play at none against Number Ninjas Math Game's 1. Retro Box Play also leads on update cadence (daily 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. Retro Box Play asks for nothing beyond the download.

UpkeepUpdate frequency

Number Ninjas Math Game ships an update every 9 days, Retro Box Play daily. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Number Ninjas Math Game versus Retro Box Play: the parameters behind the verdict, then further details
ParameterNumber Ninjas Math GameRetro Box Play
PriceFreeFree
Rating5.0 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 9 daysDaily — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17
Further details — not scored
Size121 MB45 MB
Age rating4+4+
DeveloperDavid MedawarSony Singh

In-app purchases

1 purchases

Number Ninjas Math Game

One-time1
  • Remove Ads$0.99
None

Retro Box Play

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 Retro Box Play free?
Retro Box Play is free to download, with no in-app purchases.
Do Number Ninjas Math Game or Retro Box Play have ads?
Retro Box Play shows ads; Number Ninjas Math Game does not.
Which is updated more often, Number Ninjas Math Game or Retro Box Play?
Number Ninjas Math Game ships an update every 9 days, and Retro Box Play daily. Most recently, Number Ninjas Math Game was updated on October 13, 2026 and Retro Box Play on October 25, 2026.

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