Comparison

FillBoard vs NumChain

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

Head to head
About

FillBoard

Features
Read full description

The goal of the game is to fill all the tiles. If you can do it your score will be 100. Our best score is "only" 99 for the moment. Let us know if you can do better than us by sending us a screenshot.

About

NumChain

This number puzzle game sharpens mental math skills through engaging gameplay. Connect numbers to form chains, sums, and products across three distinct modes. Compete globally, earn achievements, and enjoy a clean, intuitive interface designed for all ages.

Highlights
  • Three game modes: Chains, Sums, Multiplication
  • Global leaderboards and achievements
  • Hint system for challenging puzzles
  • Intuitive interface and clean design
  • Optimized for iPhone and iPad
  • Develops mental calculation and strategic thinking
Features
Read full description

NumChain is a number puzzle that trains your mental math. Connect numbers on the board to build chains, sums and products, collect badges and beat your high score. THREE GAME MODES • CHAINS: Join consecutive numbers on the board and build the longest chain you can. • SUMS: Connect adjacent numbers to make sums and test your mental agility. • MULTIPLICATION: The ultimate challenge for math lovers. Multiply connected numbers and master the times tables. HINTS WHEN YOU'RE STUCK ‣ Earn points and spend them on hints. ‣ Reveal a strategic move or the solution when a puzzle gets tough. COMPETE WORLDWIDE ‣ Compete against players from around the world. ‣ Global leaderboards with Game Center. ‣ Transparent and fair scoring. ‣ Special achievements to unlock. FEATURES YOU'LL LOVE ‣ Exclusive medals and badges for your achievements. ‣ Intuitive interface and clean design. ‣ Play in portrait or landscape. ‣ Optimized for iPhone, foldable iPhone and iPad. ‣ Smooth, satisfying animations. BENEFITS FOR YOUR MIND ‣ Faster mental calculation. ‣ Strategic thinking and planning. ‣ Stronger visual and spatial memory. ‣ Better concentration. ‣ Basic and advanced math skills. ‣ Quick problem solving. ‣ Perfect for all ages. PERFECT FOR ‣ Students who want to improve their math skills in a fun way. ‣ Gamers who enjoy mental challenges. ‣ Adults who want to keep their mind sharp and active. ‣ Families looking for quality educational entertainment. ‣ Teachers looking for new learning tools. ‣ Competitive players who want to climb the world rankings. Practice regularly with NumChain to sharpen your math and thinking skills and climb the global leaderboard. Download NumChain now and train your brain with numbers!

Screenshots

FillBoard4 screens
NumChain4 screens

Verdict

The call

The clearest difference is in-app purchases: FillBoard at none against NumChain's 5. FillBoard also leads on iOS requirement (14.0 vs 18.0). On price, update cadence, ads 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

Both are free to download. NumChain sells 5 one-off in-app purchases. FillBoard asks for nothing beyond the download.

UpkeepUpdate frequency

FillBoard ships an update every 2 months, NumChain monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 6 level
FillBoard versus NumChain: the parameters behind the verdict, then further details
ParameterFillBoardNumChain
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 2 monthsMonthly — better
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better18.0
Further details — not scored
Size4 MB14 MB
Age rating4+4+
DeveloperJerome de CockJ.Benito Pereira

In-app purchases

None

FillBoard

No in-app purchases

5 purchases

NumChain

One-time5
  • 25 Points$0.99
  • 53 Points$1.99
  • Ads Remove$2.99
Show 2 more
  • 85 Points$2.99
  • 110 Points$3.99

Questions

Is FillBoard free?
FillBoard is free to download, with no in-app purchases.
Is NumChain free?
NumChain is free to download, with in-app purchases available.
Do FillBoard or NumChain have ads?
Both FillBoard and NumChain show ads.
Which is updated more often, FillBoard or NumChain?
FillBoard ships an update every 2 months, and NumChain monthly. Most recently, FillBoard was updated on November 3, 2026 and NumChain on October 30, 2026.

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