Comparison

Block Harmonics vs Card Slice

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

Head to head
About

Block Harmonics

Features
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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. No ads, no purchases. 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. Privacy: scores and session data stay on your device and are not transmitted. Compose your own little harmonics of color and shape.

About

Card Slice

Features
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Throw cards, slice through ropes, and clear each level with precision and style. Easy to play but hard to master, Card Slice combines relaxing gameplay with fun physics-based challenges. Can you cut every rope?

Screenshots

Block Harmonics3 screens
Card Slice4 screens

Verdict

The call

Block Harmonics and Card Slice are too close to call on the numbers: across 5 compared parameters โ€” price, ads, in-app purchases and device support 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.

ScorecardNo meaningful differences
Block Harmonics versus Card Slice: the parameters behind the verdict, then further details
ParameterBlock HarmonicsCard Slice
PriceFreeFree
Update frequencyWeeklyโ€”
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 โ€” better
Further details โ€” not scored
Size31 MB190 MB
Age rating4+12+
DeveloperIkuya TerasakaLost Panda Games Oyun Yazilim Bilisim Teknolojileri Ticaret Anonim Sirketi

In-app purchases

None

Block Harmonics

No in-app purchases

None

Card Slice

No in-app purchases

Questions

Is Block Harmonics free?
Block Harmonics is free to download, with no in-app purchases.
Is Card Slice free?
Card Slice is free to download, with no in-app purchases.
Do Block Harmonics or Card Slice have ads?
Both Block Harmonics and Card Slice show ads.

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