Comparison

Light and Shadow Logic Puzzles vs Memo 3D Kidz

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

Head to head
About

Light and Shadow Logic Puzzles

This logic puzzle game challenges you to shade cells in a grid. It offers multiple difficulty levels and themed puzzle packs, with adjustable layouts and language options. Enjoy a completely ad-free experience on various Apple devices.

Highlights
  • Binary determination grid puzzles
  • Multiple difficulty levels
  • Themed puzzle packs
  • Adjustable layouts and languages
  • Game Center support
  • Portrait and landscape modes
  • Pinch-to-zoom functionality
Features
Read full description

'Light and Shadow' is a binary determination puzzle in which the cells in a grid are split into shaded and unshaded cells. If you like 'Sudoku', you will love 'Light and Shadow'! ++++++++++++++++++++++++++++++++ completely add-free! ++++++++++++++++++++++++++++++++ Features: 20 puzzles (Light & Shadow): • 8 levels of difficulty each containing 2-3 puzzles from "Greenhorn" to "Grandmaster" • additional levelpacks available via in app purchase 80 puzzles (Light & Shadow Pro): • 8 levels of difficulty each containing 10 puzzles from "Greenhorn" to "Grandmaster" • additional levelpacks available via in app purchase 3 layouts: • light • coffee • dark 2 languages: • german • english additional Features: • Game Center support • playable in portrait and landscape mode • use "Pinch-to-Zoom" for a better overview compatible devices: • iPhone 5 or newer • iPad • iPad Pro • iMac, MacBook, Mac Mini (requires iOS10.3/tvOS9/macOS10.5 or higher) ++++++++++++++++++++++++++++++++ If you like the app, please leave me a good review! If you have questions, problems or suggestions, please contact me by email to lightandshadow.app@icloud.com. New puzzles are in progress and coming soon!

About

Memo 3D Kidz

Features
Read full description

Memo 3D Kidz is a beautifully presented classic memory game for young and old — easy to learn, fun to play, and rewarding to master. Choose your challenge with four board sizes: 4x4, 6x6, 8x8, and an extra 10x10 mode for true memory pros. What makes Memo 3D Kidz special is its animated 3D scene. Adjust the view to your liking and enjoy a fresh, dynamic way to play a timeless family game. The cards are smoothly animated, and a helpful hint button is available whenever you need a little support. Play solo to train your memory and concentration, or play together with family and friends for a fun shared challenge. Improve step by step and take on larger boards as your skills grow. As with our other apps, there are no ads, no in-app purchases, and no distractions — just the full game to enjoy. We hope you have a wonderful time with this family-friendly title.

Screenshots

Light and Shadow Logic Puzzles4 screens
Memo 3D Kidz4 screens

Verdict

The call

The clearest difference is price: Light and Shadow Logic Puzzles at Free against Memo 3D Kidz's $1.99. Light and Shadow Logic Puzzles also leads on update cadence (fortnightly vs every 35 months) and iOS requirement (10.3 vs 15.6). Memo 3D Kidz's advantage is in-app purchases (none vs 10). On 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

Light and Shadow Logic Puzzles is free to download; Memo 3D Kidz costs $1.99 up front. Light and Shadow Logic Puzzles sells 10 one-off in-app purchases. Memo 3D Kidz asks for nothing beyond the download.

UpkeepUpdate frequency

Light and Shadow Logic Puzzles ships an update fortnightly, Memo 3D Kidz every 35 months. The most recent releases landed on November 2, 2026 and October 29, 2026 respectively.

Scorecard4 real differences · 6 level
Light and Shadow Logic Puzzles versus Memo 3D Kidz: the parameters behind the verdict, then further details
ParameterLight and Shadow Logic PuzzlesMemo 3D Kidz
PriceFree — better$1.99
Rating4.0 (5 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings5 — better—
Update frequencyFortnightly — betterEvery 35 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS10.3 — better15.6
Further details — not scored
Size25 MB69 MB
Age rating4+4+
DeveloperChristian LuethPhilippe Zay

In-app purchases

10 purchases

Light and Shadow Logic Puzzles

One-time10
  • X00: Mega ProPack (60 puzzles)$0.99
  • A01: Greenhorn 1 (50 puzzles)$0.99
  • B01: Beginner 1 (50 puzzles)$0.99
Show 7 more
  • C01: Advanced 1 (50 puzzles)$0.99
  • D01: Amateur 1 (50 puzzles)$0.99
  • E01: Professio. 1 (50 puzzles)$0.99
  • F01: Expert 1 (50 puzzles)$0.99
  • G01: Whiz 1 (50 puzzles)$0.99
  • H01: Grandmast. 1 (50 puzzles)$0.99
  • X01: Mega Pack 1 (400 puzzles)$2.99
None

Memo 3D Kidz

No in-app purchases

Questions

Is Light and Shadow Logic Puzzles free?
Light and Shadow Logic Puzzles is free to download, with in-app purchases available.
Is Memo 3D Kidz free?
Memo 3D Kidz costs $1.99, with no in-app purchases.
Do Light and Shadow Logic Puzzles or Memo 3D Kidz have ads?
Neither Light and Shadow Logic Puzzles nor Memo 3D Kidz shows ads.
Which is updated more often, Light and Shadow Logic Puzzles or Memo 3D Kidz?
Light and Shadow Logic Puzzles ships an update fortnightly, and Memo 3D Kidz every 35 months. Most recently, Light and Shadow Logic Puzzles was updated on November 2, 2026 and Memo 3D Kidz on October 29, 2026.

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