Comparison

Merge Num vs Mellow Isle

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

Head to head
About

Merge Num

Features
Read full description

Learn Korean with Fun and Simple Number Puzzles! Combine numbers to learn the basics of the Korean alphabet (Hangul) in this delightful, easy-to-play puzzle game! Perfect for anyone looking to pick up Korean through an engaging and interactive experience. Cute Character Animations: Each number is represented by a charming character that performs fun actions and disappears as they combine, keeping you entertained with every move. Vibrant Visuals & Music: Enjoy the refreshing background visuals and music, designed to help you focus and enjoy learning. Challenge Your Mind: As you progress through the levels, match increasingly complex Korean word shapes for a true brain-teasing experience! Whether you’re just starting out or want a fun way to improve your Korean, this game is perfect for all ages. Download now and start learning Korean the playful way!

About

Mellow Isle

Engage in a calming pixel art puzzle experience. Solve logic challenges to reveal charming images and gradually build a serene island landscape. Enjoy a relaxing gameplay loop with progress tracking and helpful hints.

Highlights
  • 125 nonogram puzzles
  • Pixel art reveals
  • Island building progression
  • Puzzle of the Day
  • Logic hints and guidance
  • Progress tracking
Features
Read full description

Mellow Isle is a relaxing nonogram game where every puzzle restores part of a quiet pixel island. Read the numeric clues, fill the correct cells, mark empty spaces with Xs, and reveal charming pixel art. As you clear puzzles, new scenery and landmarks appear across the island. FEATURES • 125 nonogram puzzles across 5 regions • Landmark puzzles that unlock new scenery • A Puzzle of the Day with hint rewards • Easy controls for Fill, X, Erase, Undo, and Redo • “Where to Look” guidance and logic hints • Convenient Auto X Fill • Optional haptic feedback • Progress tracking for every region • Scores, best records, time, mistakes, and hint results MELLOW ISLE PRO Mellow Isle Pro is an optional one-time purchase. • Removes banner and interstitial ads • Provides 3 basic logic hints per puzzle • Purchases can be restored on your other devices Solve at your own pace, watch the island grow, and complete every region and landscape.

Screenshots

Merge Num3 screens
Mellow Isle4 screens

Verdict

The call

The clearest difference is update cadence: Merge Num at daily against Mellow Isle's every 8 days. Merge Num also leads on iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Merge Num sells 1 one-off in-app purchase and Mellow Isle sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Merge Num ships an update daily, Mellow Isle every 8 days. The most recent releases landed on November 4, 2026 and November 10, 2026 respectively.

Scorecard2 real differences · 8 level
Merge Num versus Mellow Isle: the parameters behind the verdict, then further details
ParameterMerge NumMellow Isle
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyDaily — betterEvery 8 days
AdsYesYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size95 MB15 MB
Age rating4+4+
DeveloperKyung Hyun ParkChanGyu Kang

In-app purchases

1 purchases

Merge Num

One-time1
  • No Ads$0.99
1 purchases

Mellow Isle

One-time1
  • Mellow Isle Pro$1.99

Questions

Is Merge Num free?
Merge Num is free to download, with in-app purchases available.
Is Mellow Isle free?
Mellow Isle is free to download, with in-app purchases available.
Do Merge Num or Mellow Isle have ads?
Both Merge Num and Mellow Isle show ads.
Which is updated more often, Merge Num or Mellow Isle?
Merge Num ships an update daily, and Mellow Isle every 8 days. Most recently, Merge Num was updated on November 4, 2026 and Mellow Isle on November 10, 2026.

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