Solve logic grid puzzles similar to Einstein's famous zebra puzzle "Who has the fish?" on your iPad, iPhone, Apple TV and Mac!



6 riddles (Logicals):
• 2x easy (4 values per category)
• 2x medium (5 values per category)
• 2x hard (5 values per category)
• additional levelpacks available via in app purchase

36 riddles (Logicals Pro):
• 15x easy (4 values per category)
• 6x medium (5 values per category)
• 15x hard (5 values per category)
• additional levelpacks available via in app purchase

3x3 Layouts:
• light
• coffee
• dark
each in the variants
• full/empty
• plus/minus
• check/cross

2 languages:
• german
• english

easy solving of riddles by tapping:
• tap once for "does not match"
• tap twice for "matches"

additional features:
• timer and Game Center support
• current state can be checked at any time
• solving table as assistance for a better overview (iPad only)

completely free of ads!

compatible devices:
• iPhone 5 or newer
• iPad
• iPad Pro
• Apple TV 4
• 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

What’s New

Version 7.4.0

• NEW: professional translation of Puzzle Pack L06 into English
• BUGFIX: design modifications

If you like the app, feel free to add an app review. If you have problems or suggestions for improvement, please contact me by sending an e-mail to
Enjoy solving the puzzles!

In-App Purchases

L08: Puzzle Pack Vol. 8 (15x)
E43-E45 • M42-M46 • H59-H65
L07: Puzzle Pack Vol. 7 (15x)
E39-E42 • M37-M41 • H53-H58
X02: MegaPack Vol. 2 (60x)
contains all 60 puzzles of L05, L06, L07, L08
X01: MegaPack Vol. 1 (60x)
contains all 60 puzzles of L01, L02, L03, L04
X00: Mega ProPack (30x)
contains all 30 puzzles from E00, M00, H00
H04: PuzzlePack Hard 4 (15x)
M42-M46 from L08 • H56-H65 from L07 & L08


Christian Lueth
2.3 MB

macOS 10.15 or later. Requires iOS 10.3 or later. Compatible with iPhone, iPad and iPod touch. Apple TV.



Age Rating
In-App Purchases
  1. E00: ProPack Easy (10x) $0.99
  2. M00: ProPack Medium (10x) $0.99
  3. H00: ProPack Hard (10x) $0.99


  • Game Center

    Challenge friends and check leaderboards and achievements.

  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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