Comparison

Nonogram Galaxy vs Sky Castle

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

Head to head

Nonogram Galaxy

Logic puzzles, no guessing

Free

🎮 Games

★ 4.6326 ratingsView app →

Sky Castle

Free

🎮 Games

★ 4.927 ratingsView app →

About

Nonogram Galaxy

Solve picture logic puzzles by coloring cells based on number clues. Offers thousands of logically solvable puzzles with easy controls and cloud save functionality. Compatible with various external devices for an enhanced experience.

Highlights

Thousands of free puzzles
Logically solvable puzzles
Touch and gamepad controls
External device support
Cloud save via iCloud

Features

Read full description

A timeless classic. Experience the essence of nonograms—logic puzzles where numbers reveal hidden pictures. Focus on the joy of thinking, free from distractions. ※ Over 7,000 free puzzles ※ Only logically solvable puzzles (fully tested and verified) ※ Intuitive and comfortable controls (touch & gamepad supported) ※ Support for external input devices (Bluetooth keyboard, mouse, gamepad) ※ iCloud sync support (sync your progress across iPhone and iPad)

About

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.

Highlights

Hundreds of puzzle games
Color dot design
Detailed puzzle logic check
Auto-save functionality
Multiple difficulty levels
Convenient touch interface
One-handed mode

Features

Read full description

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

Screenshots

Nonogram Galaxy4 screens

Sky Castle4 screens

Verdict

The call

The clearest difference is rating: Sky Castle at 4.9 against Nonogram Galaxy's 4.6. Sky Castle also leads on review sentiment (83% vs 72%) and iOS requirement (11.0 vs 13.0). Nonogram Galaxy's advantage is update cadence (monthly vs every 3 months) and ratings volume (326 vs 27). On price, ads, in-app purchases and monetization model 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

Both are free to download. Nonogram Galaxy sells 1 one-off in-app purchase and Sky Castle sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sky Castle holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Nonogram Galaxy has 326 ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 72% of Nonogram Galaxy's written reviews are positive against 83% of Sky Castle's.

UpkeepUpdate frequency

Nonogram Galaxy ships an update monthly, Sky Castle every 3 months. Both last shipped on November 3, 2026.

Scorecard5 real differences · 5 level

Nonogram Galaxy versus Sky Castle: the parameters behind the verdict, then further details
Parameter	Nonogram Galaxy	Sky Castle
Price	Free	Free
Rating	4.6 (326 ratings)	4.9 (27 ratings) — better
Positive reviews	72.4% of reviews	82.8% of reviews — better
Number of ratings	326 — better	27
Update frequency	Monthly — better	Every 3 months
Ads	Yes	Yes
In-app purchases	Yes	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	187 MB	110 MB
Age rating	4+	4+
Developer	dongwon cho	KWANG YEOUL YOO

Customer experience

Nonogram Galaxy

All ratings324 ratings

Positive92.0%

Neutral4.0%

Negative4.0%

Written reviews185 reviews

Positive72.4%

Neutral15.1%

Negative12.4%

Sky Castle

All ratings25 ratings

Positive96.0%

Neutral4.0%

Negative0.0%

Written reviews64 reviews

Positive82.8%

Neutral10.9%

Negative6.3%

User reviews

Nonogram Galaxy

From 326 App Store ratings

What we love

👍 Great game
🕹️ Excellent controls
🧠 Challenging puzzles
🕰️ Relaxing experience
🎨 Beautiful pixel art

Room to improve

🐛 Frequent crashes
🔋 Battery drain issues
💸 Ads despite paid version
📱 Small grid size on mobile
🤯 Overwhelming ads

Sky Castle

From 27 App Store ratings

What we love

🎶 Beautiful music
🎨 Pretty art and visuals
😌 Relaxing and calming gameplay
🧠 Good for ADHD and anxiety
📚 Playable while listening to audiobooks

Room to improve

😔 Not enough levels/content
❓ Puzzles can be ambiguous/have multiple solutions
📱 Button placement issues on mobile
⚠️ Ads can be intrusive
💸 Paid ad-free not fully effective

Bugs and requests

Nonogram Galaxy

Reported bugs

5 issues

Ads not removed after purchase
Progress not saving correctly
Freezing and unresponsiveness
Ads opening browser unexpectedly
Hint timer not working as expected

Requested features

5 requests

Zoom function for larger puzzles
Ability to transfer progress across devices
More frequent puzzle updates
Color mode option
Customizable controls

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

Show 6 more

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

Show 3 more

Add more puzzles to the list
Make screen larger or puzzles smaller
Add a back button

In-app purchases

1 purchases

Nonogram Galaxy

One-time1

No Ads(Hint ads remain)$4.99

1 purchases

Sky Castle

One-time1

remove ad$2.99

Questions

Is Nonogram Galaxy free?

Nonogram Galaxy is free to download, with in-app purchases available.

Is Sky Castle free?

Sky Castle is free to download, with in-app purchases available.

Which has better reviews, Nonogram Galaxy or Sky Castle?

Sky Castle is rated higher. Nonogram Galaxy averages 4.6 out of 5 from 326 ratings, while Sky Castle averages 4.9 from 27 ratings.

Do Nonogram Galaxy or Sky Castle have ads?

Both Nonogram Galaxy and Sky Castle show ads.

Which is updated more often, Nonogram Galaxy or Sky Castle?

Nonogram Galaxy ships an update monthly, and Sky Castle every 3 months. Most recently, Nonogram Galaxy was updated on November 3, 2026 and Sky Castle on November 3, 2026.