Logic Riddle vs Sherlock ZEN
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Logic Riddle
Engage your brain with a logic puzzle game that challenges you to deduce a scenario using only a set of clues. Solve thousands of riddles, from simple to complex, with daily challenges and helpful filters.
- Thousands of logic riddles
- Daily free challenges
- Increasing difficulty levels
- Expert filters for hints
- Mobile-optimized interface
- Auto-save functionality
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Master logic riddles: Pure deduction game. No guesses. Played and loved by millions since 2013. 5,000+ FREE puzzles. Compete live. Crush leaderboards. Clues like: "German owns a dog. The one who drinks coffee does not have a fox" • Endless Free Content: 5K+ single player logic puzzles – zero paywalls • Daily Fresh: 15 new Zebra Puzzles every day • Live Competition: Compete real-time worldwide – same puzzle, fastest wins. Rank in leaderboards. • Scale Up: Easy 4x4 to massive grids • Tutorial + Tools: Guided first solve + a clue filter that hides what you have already ruled out • Color Themes: Light, Dark and a range of colors – pick the one that suits the room you are in • New Modern Layout, optional: keeps the full clue list and the filter inside the match, so everything sits on one screen • Portrait or Landscape: Turn the phone sideways and the whole board follows • Built for Thumbs: Tap to cross out, hold to confirm – the grid does the bookkeeping NEW – TWO SHORTCUTS WORTH LEARNING • Drag the element to the clue panel to view clues of that element • Click the element in the clue panel to go to the next clue of that element Deduce the full grid. Logic lovers: this is your next obsession. Tutorial Video: https://www.youtube.com/watch?v=0bpjrJRZi9Q Community: https://www.facebook.com/groups/288035414684910/ Support: logic.ios@rottzgames.com Download free. Sharpen your edge today! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Sherlock ZEN
Engage your mind with logic puzzles that challenge you to deduce the placement of images on a grid. Solve thousands of unique puzzles across various sizes using graphical clues to uncover hidden arrangements.
- Logic grid puzzles
- Deduce image locations
- Graphical clues
- Multiple grid sizes (4x4, 5x5, 6x6)
- 150,000 unique puzzles
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Sherlock is a computerized version of logic puzzles, where you're presented with a series of clues that help you determine the exact locations of all the images on the playing board. The puzzles are all 4x4, 5x5 or 6x6. Each row of the puzzle contains images of the same type (faces, houses, numbers, fruit, street signs, letters, etc). The game scrambles the locations of the items in each row (without showing you their locations) and then presents to you a set of graphical clues that describe the positional relationships of different images. You use the clues to deduce where things can't be (and where they HAVE to be) until you know where all of the images are located. 50,000 puzzles in each size for a total of 150,000 puzzles! The puzzles in the Free, Pro, Ultra, and Zen versions of the game are all unique, the four versions of the game share NO common puzzles.
Screenshots
Verdict
The clearest difference is price: Logic Riddle at Free against Sherlock ZEN's $5.99. Logic Riddle also leads on rating (4.8 vs 4.1) and ratings volume (5.7K vs 48). Sherlock ZEN's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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
Logic Riddle is free to download; Sherlock ZEN costs $5.99 up front. Logic Riddle sells 1 in-app purchase, starting at $2.99 per year. Sherlock ZEN asks for nothing beyond the download.
Logic Riddle holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Logic Riddle has 5.7K ratings behind it against 48, so its average is the more settled of the two. Written reviews point the same way: 90% of Logic Riddle's written reviews are positive against 74% of Sherlock ZEN's.
Logic Riddle ships an update every 3 months, Sherlock ZEN every 13 months. The most recent releases landed on November 13, 2026 and November 2, 2026 respectively.
| Parameter | Logic Riddle | Sherlock ZEN |
|---|---|---|
| Price | Free — better | $5.99 |
| Rating | 4.8 (5.7K ratings) — better | 4.1 (48 ratings) |
| Positive reviews | 90.5% of reviews — better | 73.5% of reviews |
| Number of ratings | 5.7K — better | 48 |
| Update frequency | Every 3 months — better | Every 13 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 46 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Rottz Games | Everett Kaser Software |
Customer experience
Logic Riddle
Sherlock ZEN
Bugs and requests
Logic Riddle
Reported bugs
4 issues- Clues not always sufficient to solve puzzles
- Laggy performance on some devices
- Occasional glitches with filtering and selecting
- Ads interfering with gameplay and concentration
Requested features
5 requests- Option to take notes or link clues
- Ability to highlight related objects
- Varied themes and visual elements
- Hint system for stuck puzzles
- Offline mode or cloud sync
Sherlock ZEN
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Logic Riddle
- Premium14 Days trial$2.991 Year
Sherlock ZEN
No in-app purchases
Questions
Is Logic Riddle free?
Is Sherlock ZEN free?
Which has better reviews, Logic Riddle or Sherlock ZEN?
Do Logic Riddle or Sherlock ZEN have ads?
Which is updated more often, Logic Riddle or Sherlock ZEN?
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