Comparison

SUDOKU_SOLVER vs Sudoku⁹

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

Head to head
About

SUDOKU_SOLVER

Read full description

Sudoku Solver is a very simple app to play and solve unlimited Sudokus of different sizes and levels. You can also keep count of the problems you've solved and see your progress. - FREE - NO ADS - UNLIMITED PROBLEMS - NON STOP Enjoy it!!

About

Sudoku⁹

This logic-based number-placement puzzle challenges players to fill grids with digits 1-9. Each row, column, and 3x3 subgrid must contain all digits without repetition. It's a classic brain teaser for honing deductive reasoning skills.

Highlights
  • Number placement logic
  • Row and column constraints
  • 3x3 region rules
  • Deductive reasoning challenge
  • Classic brain teaser
Features
Read full description

Fill in the empty squares with digits so that each row, each column and each 3×3 region contains all of the digits from 1 to 9.

Screenshots

SUDOKU_SOLVER4 screens
Sudoku⁹4 screens

Verdict

The call

The clearest difference is update cadence: SUDOKU_SOLVER at every 2 months against Sudoku⁹'s every 9 months. Sudoku⁹'s advantage is iOS requirement (14.0 vs 16.6). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SUDOKU_SOLVER ships an update every 2 months, Sudoku⁹ every 9 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 7 level
SUDOKU_SOLVER versus Sudoku⁹: the parameters behind the verdict, then further details
ParameterSUDOKU_SOLVERSudoku⁹
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 2 months — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.614.0 — better
Further details — not scored
Size2 MB1 MB
Age rating4+4+
DeveloperRUBEN JOSE SOTO MARTINEZAlexander Berson

In-app purchases

None

SUDOKU_SOLVER

No in-app purchases

None

Sudoku⁹

No in-app purchases

Questions

Is SUDOKU_SOLVER free?
SUDOKU_SOLVER is free to download, with no in-app purchases.
Is Sudoku⁹ free?
Sudoku⁹ is free to download, with no in-app purchases.
Do SUDOKU_SOLVER or Sudoku⁹ have ads?
Neither SUDOKU_SOLVER nor Sudoku⁹ shows ads.
Which is updated more often, SUDOKU_SOLVER or Sudoku⁹?
SUDOKU_SOLVER ships an update every 2 months, and Sudoku⁹ every 9 months. Most recently, SUDOKU_SOLVER was updated on October 27, 2026 and Sudoku⁹ on October 30, 2026.

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