Comparison

NumeriKu vs Block Harmonics

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

Head to head
About

NumeriKu

Features
Read full description

Discover NumeriKu, the addictive numeric puzzle game that will keep you entertained for hours! If you're passionate about logic and number games like Sudoku, then you'll love NumeriKu. This challenging game tests your mind and math skills, taking you into a world of addition and subtraction within a grid that you must complete. Key features of NumeriKu: - Challenging puzzle grids that require logical and mathematical skills to solve. - Daily challenge, compete to reach the top of our Rankings. - Endless mode, how far can you go? - Various difficulty levels ranging from beginner to demon, perfect for players of all ages and abilities! - Intuitive and user-friendly design, with a smooth and enjoyable gameplay experience. - Statistics and progress tracking to help you improve and perfect your skills in the game. - Regular updates with new challenges to keep the gameplay experience fresh and exciting. How to play NumeriKu? The goal of NumeriKu is to complete the number grid by assigning the correct mathematical operations (addition or subtraction) to each cell so that the sums of each row and column match the results shown on the edges of the grid. Test your logic and math skills to solve each puzzle and become a master of NumeriKu! Download NumeriKu now and take on the challenge! Do you have what it takes to become a NumeriKu champion? Find out today!

About

Block Harmonics

Features
Read full description

With every placement, a gentle tone layers into a small harmonics. Block Harmonics is a clean, endlessly replayable placement puzzle: drop varied shapes onto an 8ร—8 board and clear filled rows and columns. Difficulty adapts gradually to your play. Build combos and simultaneous clears to push your score, and aim for a new personal best. โ€” Highlights โ€” โ€ข Variety of pieces: from monomino to pentomino/hexomino. โ€ข Smooth controls: tap to pick, drag to place, with helpful snapping. โ€ข Scoring that rewards skill: combo chains, row/column simultaneous clears, perfect fits, area wipes, large-piece bonuses. โ€ข Sound that feels good: tone and stereo change by color and position; combos sparkle with chords. Ambient BGM supports focus or relaxation. โ€ข Settings: toggle SFX, 4-step volume, display handle name. โ€ข Offline-friendly: scores are saved on device. Free to play. โ€” How to Play โ€” 1) Choose from three pieces and place them on the board. 2) Fill any row or column to clear it and score points. 3) Clear repeatedly to raise your combo multiplier. The game ends when no placement is possible. โ€” Tips โ€” โ€ข Plan for multiple rows/columns at once. โ€ข Aim for perfect fits to earn a bonus. โ€ข Use large pieces and area clears to spike your score. โ€” About Ads โ€” Block Harmonics is free to play and supported by ads โ€” a banner at the bottom and an optional, skippable ad after game over. โ€” Privacy โ€” Scores and session data stay on your device. Google AdMob may collect anonymized information to serve ads. Compose your own little harmonics of color and shape.

Screenshots

NumeriKu4 screens
Block Harmonics3 screens

Verdict

The call

NumeriKu and Block Harmonics are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

NumeriKu ships an update every 2 weeks, Block Harmonics every 9 days. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

ScorecardNo meaningful differences
NumeriKu versus Block Harmonics: the parameters behind the verdict, then further details
ParameterNumeriKuBlock Harmonics
PriceFreeFree
Update frequencyEvery 2 weeksEvery 9 days โ€” better
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS15.0 โ€” better15.1
Further details โ€” not scored
Size17 MB31 MB
Age rating4+4+
DeveloperAdria Navarro BosqueIkuya Terasaka

In-app purchases

None

NumeriKu

No in-app purchases

None

Block Harmonics

No in-app purchases

Questions

Is NumeriKu free?
NumeriKu is free to download, with no in-app purchases.
Is Block Harmonics free?
Block Harmonics is free to download, with no in-app purchases.
Do NumeriKu or Block Harmonics have ads?
Both NumeriKu and Block Harmonics show ads.
Which is updated more often, NumeriKu or Block Harmonics?
NumeriKu ships an update every 2 weeks, and Block Harmonics every 9 days. Most recently, NumeriKu was updated on October 27, 2026 and Block Harmonics on November 5, 2026.

Other comparisons