Comparison

Number Slide Puzzle Challenge vs Gradient Sort

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

Head to head
About

Number Slide Puzzle Challenge

Engage your mind with a classic number sliding puzzle. Arrange numbered tiles in order by sliding them into an empty space. Offers various grid sizes for endless challenges and brain stimulation.

Highlights
  • Classic number sliding puzzle gameplay
  • Tap and slide tile mechanics
  • Endless challenge mode
  • Multiple grid sizes (3x3 to 15x15)
  • Brain stimulation and logic challenge
  • User-friendly controls and simple interface
Features
Read full description

Slide Puzzle By Number is a classic math puzzle game that involves tapping and moving wooden number tiles. It allows you to immerse yourself in the world of digits, requiring coordination between your eyes, hands, and brain. It's a fun way to challenge your logic and mental agility. How to Play: In the Slide Puzzle By Number game, you're presented with a frame of square tiles, each numbered, arranged randomly with one tile missing. The goal of the puzzle is to arrange the tiles in numerical order by making sliding moves that utilize the empty space. It offers an endless challenge mode that pushes your logical thinking and tests your mental limits. Challenge Your Brain: This game is designed to stimulate your brainpower. Its user-friendly controls and simple interface provide a delightful experience, allowing you to savor the unique charm of a slide puzzle game. So, go ahead and enjoy it while having fun! Various Levels: You can choose from a variety of grid sizes, ranging from 3x3 to 15x15, catering to different skill levels and helping you relax your brain. If you have any feedback or suggestions, please don't hesitate to contact us at 7saiwen@gmail.com. We're eager to hear from you and continuously improve the game for your enjoyment.

About

Gradient Sort

Engage in a visually pleasing color sorting puzzle game. Arrange shades of colors in the correct order to achieve perfect color harmony and a relaxing, meditative experience. This game offers a unique take on coloring and shade sorting mechanics.

Highlights
  • Color sorting puzzle mechanic
  • Visually pleasing gradients
  • Relaxing gameplay
  • Achieve color harmony
  • Meditative experience
Features
Read full description

Welcome to Gradient Sort! It’s a new color sorting game that is so visually pleasing, it will have you coming back for more. Coloring games have been one-upped with the shade sorting puzzle mechanic. Gradient Sort is quiet and simple. We invite you to play it while listening to your favorite music. Kick back, relax and see if you can solve the enigma that is achieving perfect color harmony with so many gradients. Meditate over a game play so smooth and satisfying. Arrange the shades of colors in the right order, achieve harmony and relax. We are visual creatures after all.

Screenshots

Number Slide Puzzle Challenge4 screens
Gradient Sort4 screens

Verdict

The call

Number Slide Puzzle Challenge and Gradient Sort both sit at 4.6 stars, but that hides the real split: 100% of Number Slide Puzzle Challenge's written reviews are positive against 42% of Gradient Sort's. Gradient Sort's advantage is update cadence (weekly vs every 4 months) and ratings volume (4.6K vs 66). On price, rating, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Number Slide Puzzle Challenge sells 1 one-off in-app purchase and Gradient Sort sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Number Slide Puzzle Challenge against 4.5 for Gradient Sort. That said, the two scores are not equally well evidenced: Gradient Sort has 4.6K ratings behind it against 66, so its average is the more settled of the two. Written reviews are what separate them: 100% of Number Slide Puzzle Challenge's written reviews are positive against 42% of Gradient Sort's.

UpkeepUpdate frequency

Number Slide Puzzle Challenge ships an update every 4 months, Gradient Sort weekly. Both last shipped on November 3, 2026.

Scorecard4 real differences · 6 level
Number Slide Puzzle Challenge versus Gradient Sort: the parameters behind the verdict, then further details
ParameterNumber Slide Puzzle ChallengeGradient Sort
PriceFreeFree
Rating4.6 (66 ratings) — better4.5 (4.6K ratings)
Positive reviews100.0% of reviews — better41.5% of reviews
Number of ratings664.6K — better
Update frequencyEvery 4 monthsWeekly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.2 — better
Further details — not scored
Size98 MB350 MB
Age rating+412+
DeveloperCHENGDU MIAOZHI TECHNOLOGY CO., LTD.Popcore GmbH

Customer experience

Number Slide Puzzle Challenge

All ratings66 ratings
Positive87.9%
Neutral7.6%
Negative4.5%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Gradient Sort

All ratings4,592 ratings
Positive87.3%
Neutral6.1%
Negative6.6%
Written reviews118 reviews
Positive41.5%
Neutral29.7%
Negative28.8%

Bugs and requests

Number Slide Puzzle Challenge

Not enough reviews yet to summarise bugs or requests.

Gradient Sort

Reported bugs

3 issues
  • Puzzle screen becomes zoomed in and unresponsive
  • Hints not working as expected
  • Puzzle pieces not registering correctly

Requested features

3 requests
  • Zoom in/out functionality
  • Option to remove ads
  • Ability to save progress and resume levels

In-app purchases

1 purchases

Number Slide Puzzle Challenge

One-time1
  • Lifetime Premium$5.99
10 purchases

Gradient Sort

One-time10
  • Bunch of cash$0.99
  • Pack for Hint Booster$1.99
  • Skip Tickets$1.99
Show 7 more
  • Remove Ads$2.99
  • Permanent Worker$3.99
  • Stack of Cash$3.99
  • Pile of Cash$8.99
  • Bag of Cash$17.99
  • Regular pack of Hint Booster$19.99
  • Big pack for Hint Booster$59.99

Questions

Is Number Slide Puzzle Challenge free?
Number Slide Puzzle Challenge is free to download, with in-app purchases available.
Is Gradient Sort free?
Gradient Sort is free to download, with in-app purchases available.
Which has better reviews, Number Slide Puzzle Challenge or Gradient Sort?
Number Slide Puzzle Challenge is rated higher. Number Slide Puzzle Challenge averages 4.6 out of 5 from 66 ratings, while Gradient Sort averages 4.5 from 4.6K ratings.
Do Number Slide Puzzle Challenge or Gradient Sort have ads?
Both Number Slide Puzzle Challenge and Gradient Sort show ads.
Which is updated more often, Number Slide Puzzle Challenge or Gradient Sort?
Number Slide Puzzle Challenge ships an update every 4 months, and Gradient Sort weekly. Most recently, Number Slide Puzzle Challenge was updated on November 3, 2026 and Gradient Sort on November 3, 2026.

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