Logic Square vs Number Chain
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Logic Square
This is a free puzzle game where you reveal hidden images by filling in blocks based on number clues. It offers thousands of puzzles, daily new challenges, and online multiplayer modes. Learn the ropes with tutorials and track your progress against others.
- Thousands of puzzles
- Daily new puzzles
- Online match play
- Tutorials for beginners
- Leaderboard system
- Online synchronization
- Color puzzles
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The best nonogram puzzle game in Smart Device. Invite you to Logic Square! -This is free version. Easy And Fun! You can play easily with virtual pad. Tons of puzzles, Tons of fun! We have thousands of puzzles and free download new puzzles every day. Online Match You can enjoy with other players. Tutorials If you are first time in this game, Tutorials can help you. Leaderboard System You can check your skills with other players. Online Synchronization System You can move your progress to new phone. Whole contents of Logic Square is not locked and free. Logic Square is a puzzle game known as nonogram. You can find out hidden image using numbers. How to play Left and top numbers instruct how many blocks should be marked in a row. You must consider leaving at least one empty block between each number. To mark a block, please click the ‘V’ button. To leave out a bloc, click the ‘X’ button. Every time you mark a wrong bloc you receive a time penalty. You can learn basics, items, and practice game in tutorial. Please write good review, if you fun with Logic Square. Please send a mail, if you have any problem or suggestion. We are changing from your good reviews and mails. Thank you. Recent Updates No Time Limit Mode (1.278) Sign in with Apple, Sign in with e-mail(1.270) Add Color Puzzles (1.254) Change Item Effect (Magic Glass) (1.254) Supports 64bit (1.228) Renewal Every Puzzles (1.212) Contact Mail: devsquare.com@gmail.com Facebook: http://www.facebook.com/LogicSquare Twitter: http://twitter.com/devsquarecom
Number Chain
This brain training game challenges you to connect numbers in sequential order, combining elements of Sudoku and Hidato. Enjoy endless free puzzles with varying difficulties, playable offline and featuring customizable themes. Improve your memory and concentration with this engaging logic puzzle.
- Connect numbers 1 to max
- Horizontal, vertical, diagonal connections
- Endless free puzzles
- Multiple difficulty levels
- Night mode
- Offline play
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Connect the numbers in order using Sudoku and Hidato mechanics. Number Chain is an endless free brain training number logic puzzle for everyone. Play anywhere, anytime, and activate your brain. When you have time to relax, spend time or on bus/subway, play this fun puzzles and train your brain. Improve memory and concentration with Number Chain. Connect the numbers and complete the chain from 1 to the maximum number. You can make a chain by just touch and drag, and it is very comfortable. Like Sudoku Hidato and Picross Nonogram, Number Chain is an number logic puzzle. There are easy to challenging difficulties. Endless puzzles are all free!! *How to play - The goal is to create a chain from 1 to the max number. - Chains can be connected by dragging horizontally, vertically, and diagonally. - Make a chain from your favorite number among the numbers given at the beginning. - You can chain in an increasing or decreasing direction. - You can overwrite or erase an already made chain. *Features - Endless puzzles are all free !! - Various difficulties from easy to challenging. - Night mode protects your eyes in dark places. - Beautiful Cherry Blossom Pink theme for you. - Fresh play automatically connected by simple control. - Daily puzzles offered daily. - Playable without data (Internet connection, WiFi). - Simple and intuitive design.
Screenshots
Verdict
The clearest difference is in-app purchases: Logic Square at none against Number Chain's 7. Logic Square also leads on review sentiment (91% vs 80%). Number Chain's advantage is update cadence (every 4 days vs monthly) and iOS requirement (11.0 vs 13.0). On price, rating, ratings volume and ads 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
Both are free to download. Number Chain sells 7 one-off in-app purchases. Logic Square asks for nothing beyond the download.
Logic Square holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 215 and 624 respectively. Written reviews point the same way: 91% of Logic Square's written reviews are positive against 80% of Number Chain's.
Logic Square ships an update monthly, Number Chain every 4 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | Logic Square | Number Chain |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (215 ratings) — better | 4.7 (624 ratings) |
| Positive reviews | 91.4% of reviews — better | 80.4% of reviews |
| Number of ratings | 215 | 624 — better |
| Update frequency | Monthly | Every 4 days — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 79 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | JaeKwan Jung | Ecapyc Inc. |
Customer experience
Logic Square
Number Chain
Bugs and requests
Logic Square
Not enough reviews yet to summarise bugs or requests.
Number Chain
Reported bugs
10 issues- Tutorial level 15 doesn't progress
- Ad-removal purchase not working or expiring unexpectedly
- Ad close button unresponsive
- App crashes when sharing completion screenshots
- Hint counter displays 0 despite watching ads
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- Game freezes occasionally
- Music playback interference after recent update
- Buttons unresponsive after update
- Achievements/rankings page not functional
- Game doesn't launch properly on some devices
Requested features
15 requests- Higher difficulty levels beyond Hardcore mode
- Undo/rewind button for mistakes
- Save game functionality
- Skip tutorial option
- Text size adjustment/zoom feature
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- Better completion celebration animations
- Remove time limit or add untimed mode
- Paid ad-free version option
- More theme/customization options
- Drag-to-erase functionality
- Back to menu button instead of Give Up
- Hint system improvements
- 3D version of the game
- Swipe-based continuous erasing
- Server-side timer for leaderboard fairness
In-app purchases
Logic Square
No in-app purchases
Number Chain
- 5 Hints$0.99
- 5 Keys$0.99
- Remove Ads$4.99
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- 30 Hints$4.99
- 30 Keys$4.99
- 70 Hints$9.99
- 70 Keys$9.99









