Comparison

Turtle vs Portal vs Kromium

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

Head to head
About

Turtle vs Portal

Embark on a magical journey with a brave turtle in this puzzle platform adventure. Solve clever puzzles, collect stars, and unlock portals across beautifully designed worlds. Experience a relaxing yet challenging game with intuitive controls and a story-driven progression.

Highlights
  • Story-driven puzzle platform adventure
  • 72 handcrafted levels across 8 worlds
  • Simple controls with deep puzzle mechanics
  • Colorful visuals and smooth animations
  • Supports 12 languages
  • Free-to-play casual experience
Features
Read full description

Turtle vs. Portal – Puzzle Platform Adventure Embark on a magical journey with a brave turtle in Turtle vs. Portal, a relaxing yet challenging platform puzzle adventure for all ages. Travel through beautifully designed worlds, solve clever puzzles, and unlock mysterious portals as the adventure unfolds. What begins as a simple platformer quickly evolves into a rewarding journey filled with surprises and exploration. Gameplay Enjoy a unique twist on classic platform puzzle games with intuitive point-and-click controls. Guide the turtle through each level by thinking strategically and exploring branching paths. Your goal: Collect 3 stars to activate the entry and exit portals Discover hidden scrolls to unlock portals to the next world With 72 handcrafted levels across 8 themed worlds, the game delivers a smooth progression that balances relaxation and brain-teasing challenges. Each world introduces new mechanics, visuals, and puzzles to keep gameplay fresh and engaging. Features • Story-driven puzzle platform adventure • 72 handcrafted levels across 8 unique worlds • Simple controls with deep puzzle mechanics • Colorful visuals and smooth animations • Immersive sound effects and ambient music • Supports 12 languages (UI & subtitles) • English voice audio • Free-to-play casual experience Test your logic, timing, and curiosity as you help the turtle master the portal system and uncover hidden secrets. Download Turtle vs. Portal today and enjoy a charming puzzle platformer designed for short play sessions or long adventures alike.

About

Kromium

Experience a satisfying color puzzle game with intuitive drag-and-drop mechanics and mesmerizing flood-fill animations. Complete hundreds of handcrafted levels with progressive difficulty, designed for both quick breaks and extended play.

Highlights
  • Intuitive drag-and-drop gameplay
  • Mesmerizing flood-fill mechanics
  • Hundreds of handcrafted levels
  • Progressive difficulty modes
  • Offline play
  • Star rating system
Features
Read full description

Kromium - Where Colors Come to Life Experience the most satisfying color puzzle on the App Store! Kromium combines intuitive drag-and-drop gameplay with mesmerizing flood-fill mechanics that create beautiful cascading color animations across your screen. HOW TO PLAY KROMIUM: Drag any tile to an adjacent tile Watch colors flood across connected areas in stunning waves Transform the entire grid to match the target color Complete levels within the move limit Earn up to 3 stars for efficient solutions WHAT MAKES KROMIUM SPECIAL: Unique Flood-Fill Mechanics - Watch colors spread like liquid paint Mesmerizing Animations - Every move creates beautiful color cascades Strategic Depth - Simple rules, complex puzzles Progressive Difficulty - From relaxing to mind-bending challenges Perfect One-Handed Play - Designed for mobile-first gaming No Time Pressure - Think, strategize, enjoy at your own pace KROMIUM FEATURES: Hundreds of handcrafted puzzle levels Multiple difficulty modes: Easy, Normal, Hard, and Nightmare Dynamic difficulty system that adapts to your skill Star rating system rewards strategic thinking Watch video ads for extra moves when you need them Offline play - no internet required VISUAL EXPERIENCE: Smooth, fluid animations that respond to your touch Rich, vibrant color palette Clean, modern interface design Portrait mode optimized for comfortable play Responsive design for all iPhone and iPad sizes PERFECT FOR: Quick 2-minute brain breaks Extended puzzle sessions Commuting and travel entertainment Relaxing wind-down activity Sharpening strategic thinking skills Players of all ages and skill levels Whether you're a casual gamer seeking beautiful, relaxing entertainment or a puzzle enthusiast looking for your next strategic challenge, Kromium delivers a premium gaming experience that's both instantly accessible and endlessly engaging. The name says it all - Kromium brings the full spectrum of color puzzle gaming to your fingertips with unprecedented visual beauty and satisfying gameplay mechanics. Download Kromium today and discover why this isn't just another puzzle game - it's a work of interactive art! Completely free to play! Watch short video ads to get extra moves when you need them. This game was built with love for my wife Katie.

Screenshots

Turtle vs Portal4 screens
Kromium3 screens

Verdict

The call

The clearest difference is in-app purchases: Kromium at none against Turtle vs Portal's 1. Kromium also leads on ads (none vs shown) and update cadence (every 2 days vs every 2 months). On price, rating, ratings volume 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. Turtle vs Portal sells 1 one-off in-app purchase. Kromium asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Turtle vs Portal against 5.0 for Kromium. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Turtle vs Portal ships an update every 2 months, Kromium every 2 days. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

Scorecard4 real differences · 6 level
Turtle vs Portal versus Kromium: the parameters behind the verdict, then further details
ParameterTurtle vs PortalKromium
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings12 — better
Update frequencyEvery 2 monthsEvery 2 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size181 MB47 MB
Age rating9+4+
DeveloperSivadasan Njames gibbens

Customer experience

Turtle vs Portal

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Kromium

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Turtle vs Portal

One-time1
  • Remove Ads$1.99
None

Kromium

No in-app purchases

Questions

Is Turtle vs Portal free?
Turtle vs Portal is free to download, with in-app purchases available.
Is Kromium free?
Kromium is free to download, with no in-app purchases.
Which has better reviews, Turtle vs Portal or Kromium?
Turtle vs Portal and Kromium are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Turtle vs Portal or Kromium have ads?
Turtle vs Portal shows ads; Kromium does not.
Which is updated more often, Turtle vs Portal or Kromium?
Turtle vs Portal ships an update every 2 months, and Kromium every 2 days. Most recently, Turtle vs Portal was updated on October 20, 2026 and Kromium on October 16, 2026.

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