Sky Castle vs Eyes
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sky Castle
Embark on a puzzle-solving adventure to reach a heavenly castle. Enjoy hundreds of logic puzzles with beautiful scenery and a convenient interface. Features include hints, auto-save, and one-handed mode for on-the-go play.
- Hundreds of puzzle games
- Color dot design
- Detailed puzzle logic check
- Auto-save functionality
- Multiple difficulty levels
- Convenient touch interface
- One-handed mode
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Complete your journey to the amazing Castle of Heaven by solving the puzzle. A fantastic journey to find the castle in the sky you first saw when you were young. See the beautiful scenery of the sea, mountains and valleys on your journey to the castle. Solve the puzzles and complete the journey to your wonderful destination. *Special features* - Hundreds of puzzle games are available. - Great color dot design to match the map’s themes. - Detailed puzzle logic check. - Auto-save for puzzles in play. - Various level of difficulty (5x5, 10x10, 15x15, 20x20) - Convenient interface using touch & pad simultaneously. - Various plays available through single map and big map. - Hint function. - Provides a variety of functions for user convenience (auto answer check, Undo / Redo) - Zoom-in, zoom-out and move function using two fingers. - One-handed mode support for using in public/crowded places. License confirmation file BGM--- Zen Yoga - Music by Manuel Ochoa / Melody Loops Dreamy Dreamland - Music by AG Music / Melody Loops Just A Little Hope - Music by AG Music / Melody Loops
Eyes
Solve logic puzzles by revealing hidden pictures using number clues. Follow simple rules to complete dot pixel art. Enjoy relaxing music and smooth designs with hundreds of free puzzles.
- Reveal hidden pictures with number clues
- Hundreds of free dot pixel puzzles
- Logic puzzle verification system
- Auto-save and cloud storage
- Various difficulty levels
- Two-finger zoom and control
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Reveal hidden pictures by using number clues! Follow simple rules to deduce the correct answers and complete the nice dot pixel pictures. We've prepared relaxing music, smooth designs, help messages, and improved functions for your convenience. Play Eyes: Nonograms and take a break from your busy daily life. Like logic puzzles? Start Eyes: Nonograms now! Follow simple rules and complete nice dot pixel pictures. There are hundreds of fun, free puzzles that you can collect. Collect a variety of dot pixel puzzle pictures with your friends and family! [ Features ] - Hundreds of nice dot pixel color puzzles that are free to play - Fun and simple puzzles for everyone - Puzzle logic verification system (Logical problem-solving) - Compatible with the Game center Cloud Storage service - Puzzles are auto-saved when you close the game. - Various difficulty levels - Various control methods - Just use two fingers to zoom in and out, move, or cancel! - Various user convenience options (Auto Error Check, Life On/Off, etc.)
Screenshots
Verdict
The clearest difference is ads: Eyes at none against Sky Castle's shown. Eyes also leads on update cadence (fortnightly vs every 3 months) and monetization model (free vs free with in-app purchases). Sky Castle's advantage is rating (4.9 vs 4.7). On price, review sentiment, ratings volume and in-app purchases 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. Sky Castle sells 1 one-off in-app purchase and Eyes sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Sky Castle holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 27 and 74 respectively. Written reviews complicate that: 83% of Sky Castle's written reviews are positive against 86% of Eyes's, so the app with the better star average is not the one people write more warmly about.
Sky Castle ships an update every 3 months, Eyes fortnightly. The most recent releases landed on October 21, 2026 and October 29, 2026 respectively.
| Parameter | Sky Castle | Eyes |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (27 ratings) — better | 4.7 (74 ratings) |
| Positive reviews | 82.8% of reviews | 85.7% of reviews — better |
| Number of ratings | 27 | 74 — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 11.0 |
| Further details — not scored | ||
| Size | 110 MB | 146 MB |
| Age rating | 4+ | 4+ |
| Developer | KWANG YEOUL YOO | sung ho cho |
Customer experience
Sky Castle
Eyes
Bugs and requests
Sky Castle
Reported bugs
11 issues- Crashes frequently
- Progress not saved on crashes
- Puzzles not completing after filling
- Buttons not working correctly (e.g., 'tweezer' bug)
- Occasional duplicate solutions/ambiguous puzzles
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- Ads still appear after paying for ad-free
- App closes unexpectedly
- Bug where filling a square disappears
- Bug where clicking wrong spot doesn't show error
- Bug where hearts disappear without action
- Bug with 7th level 'tweezer'
Requested features
8 requests- More levels/content
- Account linking (Facebook/Google) for progress sync
- Option to reset progress
- Improve button placement for larger puzzles
- Better translation for instructions
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- Add more puzzles to the list
- Make screen larger or puzzles smaller
- Add a back button
Eyes
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sky Castle
- remove ad$2.99
Eyes
- Remove ads$3.99
