Comparison

Challenge Sort vs Pet Pals World

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

Head to head
About

Challenge Sort

Engage your mind with a relaxing puzzle game featuring two distinct modes: classic water sorting and creative color arrangement. Enjoy a pressure-free experience with satisfying visuals and unlock beautiful artwork as you progress.

Highlights
  • Classic water sorting puzzles
  • Color arrangement logic challenges
  • Unlockable artwork
  • No timers or pressure
  • Satisfying visual feedback
  • Switch between game modes
Read full description

Welcome to Challenge Sort: Mind Relax — a peaceful puzzle game that gently exercises your brain while washing your stress away. Water Sort: Classic and Satisfying Sort the colored water until every bottle contains just one single color. Tap to pour, but remember the rule: you can only pour water if it matches the top color of the target bottle and there is enough space. Plan ahead, avoid dead ends, and enjoy the satisfying flow of a perfectly sorted puzzle. For More: Color Gallery Mode —— Arrange and Create Put your logic to the test! Arrange colorful water bottles on the steps. Each puzzle has only one correct combination, so plan your moves carefully. Every time you find the correct order for a layer, a section of the canvas above comes to life. Watch the pieces come together step-by-step until you unlock a stunning, fully finished artwork! Why You will Love It: No Timers, No Pressure: Play at your own comfortable pace. Double the Fun: Switch between logical arrangement and classic sorting whenever you like. Pure Relaxation: Satisfying visual feedback that rewards your brain. Download Challenge Sort: Mind Relax now to experience the perfect blend of logic, art, and pure unwinding!

About

Pet Pals World

Hatch, raise, and grow a variety of pets from eggs on a vibrant island. Explore diverse biomes, decorate your home, and play with friends in a safe, family-friendly environment. Features include cooperative exploration and pet trading.

Highlights
  • Hatch and grow pets from eggs
  • Explore a living island with diverse biomes
  • Decorate customizable homes
  • Play with friends cooperatively
  • Trade pets and treasures
  • Family-friendly design with no ads or chat
Features
Read full description

Hatch eggs, raise pets, and watch them grow — then explore a big, friendly island together! ADOPT & GROW • Hatch surprise pets from eggs — the odds are always shown, fair and square • Feed, wash, play, and rest to grow pets from Baby all the way to Neon • Dozens of species across suburb, jungle, and snowy tundra EXPLORE A LIVING ISLAND • Bike on tandem bikes (your pet rides the back seat!), hike mountain trails, swim, and dive for sea treasure • Race Kelly's BMX track — jumps, doubles, a triple and banked berms — and his snowmobile course across the tundra; win outfits, a trophy, and a snowmobile of your own • Hunt seashells with Brookie the mermaid and ride the rainbow slide • Earn your jungle hut and mountain cabin, decorate your home • Watch out for the friendly-scary beasts — and learn what they fear PLAY WITH FRIENDS • Visit a friend's island — up to six explorers at once • Trade pets and treasures at a fair two-key trading table • See when friends are playing and knock to join them MADE FOR FAMILIES • No ads. No chat. No accounts. The only thing you can type is a private nickname for a friend, saved on your device and never sent. • Every name comes from safe word lists; friends connect only by code • All social features sit behind a grown-ups gate and can be switched off in the Parent Zone • One-time purchase. No in-app purchases, no subscriptions, no ads

Screenshots

Challenge Sort4 screens
Pet Pals World4 screens

Verdict

The call

The clearest difference is price: Challenge Sort at Free against Pet Pals World's $4.99. Challenge Sort also leads on ratings volume (9.7K vs 4) and iOS requirement (15.0 vs 17.0). Pet Pals World's advantage is review sentiment (100% vs 62%) and ads (none vs shown). On 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

Challenge Sort is free to download; Pet Pals World costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Pet Pals World holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Challenge Sort has 9.7K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 62% of Challenge Sort's written reviews are positive against 100% of Pet Pals World's.

UpkeepUpdate frequency

Challenge Sort ships an update fortnightly, Pet Pals World weekly. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

Scorecard8 real differences · 2 level
Challenge Sort versus Pet Pals World: the parameters behind the verdict, then further details
ParameterChallenge SortPet Pals World
PriceFree — better$4.99
Rating4.5 (9.7K ratings)5.0 (4 ratings) — better
Positive reviews62.2% of reviews100.0% of reviews — better
Number of ratings9.7K — better4
Update frequencyFortnightlyWeekly — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size151 MB36 MB
Age rating12+4+
DeveloperLutfi AlBragiTravis Skeen

Customer experience

Challenge Sort

Written reviews135 reviews
Positive62.2%
Neutral0.0%
Negative37.8%

Pet Pals World

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Challenge Sort

No in-app purchases

None

Pet Pals World

No in-app purchases

Questions

Is Challenge Sort free?
Challenge Sort is free to download, with no in-app purchases.
Is Pet Pals World free?
Pet Pals World costs $4.99, with no in-app purchases.
Which has better reviews, Challenge Sort or Pet Pals World?
Pet Pals World is rated higher. Challenge Sort averages 4.5 out of 5 from 9.7K ratings, while Pet Pals World averages 5.0 from 4 ratings.
Do Challenge Sort or Pet Pals World have ads?
Challenge Sort shows ads; Pet Pals World does not.
Which is updated more often, Challenge Sort or Pet Pals World?
Challenge Sort ships an update fortnightly, and Pet Pals World weekly. Most recently, Challenge Sort was updated on November 10, 2026 and Pet Pals World on October 31, 2026.

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