Comparison

Spider Solitaire vs SUDOKU.Studio

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

Head to head
About

Spider Solitaire

A classic card game where the objective is to arrange cards into eight descending sequences. Offers multiple difficulty levels and a clean interface with customizable options. Enjoy smart hints, statistics, and leaderboards.

Highlights
  • 1, 2, and 4-suit games
  • Crisp, beautiful cards
  • Smart hints
  • Custom backdrops
  • Timer, moves, and statistics
  • Unlimited undos
  • Global leaderboards
Features
Read full description

Spider Solitaire is similar to other types of solitaire (Klondike, FreeCell, etc.). The goal of the game is to create 8 stacks of cards (king-through-ace). If all 10 foundations have at least one card, you may place additional cards by clicking on the "stock cards" in the bottom-right corner of the screen. This game with all the superb features, graphics, and animations that you would expect on your iOS device :) FEATURES • 1-Suit games • 2-Suit games • 4-Suit games • Crisp, beautiful, and easy to read cards • Efficient, fast, and sensible game interface • Single tap to place a card or drag and drop • Standard Spider Solitaire rules and scoring • Smart hints show potentially useful moves • Custom backdrops • Timer, moves, and statistics • Unlimited undos • Auto complete option to finish a solved game • Global and friends leader boards • Fun & challenging achievements • Support Game Center • Support Retina Display

About

SUDOKU.Studio

This app offers a wide range of Sudoku puzzles with adjustable difficulty levels for all skill sets. It includes helpful features like hints, error checking, and candidate number entry. Daily challenges and collectible emblems provide ongoing engagement.

Highlights
  • Adjustable difficulty levels
  • Hint function
  • Daily challenges with emblems
  • Candidate number entry
  • Mistake checking
  • Auto-save function
  • Time display
Features
Read full description

Regardless of whether you are a beginner or an expert at Sudoku, you will be able to select a difficulty that best suits your skill level. The “Hint” function is available on all Sudoku puzzles whenever you get stuck. All Sudoku puzzles can be solved logically. There are no puzzles that require using proof by reduction to solve. In addition, as you can input numbers by either selecting the cell first or the number first, you will be able to enjoy the puzzles without much hassle. You can solve one Sudoku puzzle each day by completing the daily challenges. Solve all monthly puzzles to get different emblems every month. As you can also attempt Sudoku puzzles challenges and puzzles from the past, you can collect up to 12 different emblems every year. ・There are 6 difficulty levels ranging from Beginner to Challenge. ・There are detailed explanations, complete with illustrations, on all solving methods ranging from Hidden Single to X-Wing. ・All puzzles come with a “Hint” function. ・There is a function that allows you to enter all candidate numbers at once. ・There is a function that allows you to delete all candidate numbers at once. ・There is also a “Hide ads” function (paid), if you do not wish to see any ads. ・You can also check for mistakes with just a simple tap of a button. Incorrect numbers will be displayed in red. ・You can choose whether to highlight duplicate numbers. ・You can choose whether to highlight the block, row and column of the selected cell. ・There is also an “Eraser” function. ・There is a function to undo each step, and another function to start over from the beginning. ・There is also an auto-save function. Even if you quit the puzzle mid-way, you will be able to continue where you left off anytime. ・As there is a time display function, you can attempt to beat your personal record as many times as you wish. Enjoy Sudoku anytime, anywhere.

Screenshots

Spider Solitaire1 screens
SUDOKU.Studio4 screens

Verdict

The call

The clearest difference is review sentiment: Spider Solitaire at 70% against SUDOKU.Studio's 25%. Spider Solitaire also leads on ads (none vs shown) and rating (3.5 vs 3.0). On price, update cadence, 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. Spider Solitaire sells 1 one-off in-app purchase and SUDOKU.Studio 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

Spider Solitaire holds the better App Store score, 3.5 against 3.0. That said, the two scores are not equally well evidenced: Spider Solitaire has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 70% of Spider Solitaire's written reviews are positive against 25% of SUDOKU.Studio's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 22, 2026 and October 14, 2026 respectively.

Scorecard5 real differences · 5 level
Spider Solitaire versus SUDOKU.Studio: the parameters behind the verdict, then further details
ParameterSpider SolitaireSUDOKU.Studio
PriceFreeFree
Rating3.5 (13 ratings) — better3.0 (2 ratings)
Positive reviews70.0% of reviews — better25.0% of reviews
Number of ratings13 — better2
Update frequencyEvery 2 monthsEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size76 MB157 MB
Age rating4+12+
DeveloperPawpaw Inc.Works Inc.

Customer experience

Spider Solitaire

All ratings13 ratings
Positive61.5%
Neutral15.4%
Negative23.1%
Written reviews10 reviews
Positive70.0%
Neutral10.0%
Negative20.0%

SUDOKU.Studio

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews12 reviews
Positive25.0%
Neutral16.7%
Negative58.3%

In-app purchases

1 purchases

Spider Solitaire

One-time1
  • Remove Ads$0.99
1 purchases

SUDOKU.Studio

One-time1
  • 広告非表示$7.99

Questions

Is Spider Solitaire free?
Spider Solitaire is free to download, with in-app purchases available.
Is SUDOKU.Studio free?
SUDOKU.Studio is free to download, with in-app purchases available.
Which has better reviews, Spider Solitaire or SUDOKU.Studio?
Spider Solitaire is rated higher. Spider Solitaire averages 3.5 out of 5 from 13 ratings, while SUDOKU.Studio averages 3.0 from 2 ratings.
Do Spider Solitaire or SUDOKU.Studio have ads?
SUDOKU.Studio shows ads; Spider Solitaire does not.
Which is updated more often, Spider Solitaire or SUDOKU.Studio?
Spider Solitaire ships an update every 2 months, and SUDOKU.Studio every 2 months. Most recently, Spider Solitaire was updated on October 22, 2026 and SUDOKU.Studio on October 14, 2026.

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