Sudoku-Solver is a puzzle utility for manual grid entry and automated solution generation on iOS.

The App DNA

What makes this app unique?

The app serves users who need immediate verification for difficult Sudoku puzzles, displacing the need for manual trial-and-error.

For Sudoku players seeking assistance with difficult puzzles or a tool to verify their own solutions.

What does it look like?

Key features

Sudoku Solver Enginestandard

Automated calculation of Sudoku solutions for multiple difficulty levels

Step-by-Step Constructionedge

Guided walkthrough of the solution process for user-inputted puzzles

Hint Systemstandard

Reveals an arbitrary cell value to assist users without providing the full solution

How much does it cost?

freeFree

The app is distributed as a free utility with no visible in-app purchase or subscription gates.

Velocity

Dormant developmentopaqueShow more...

Sudoku-Solver has been inactive for 3,656 days, indicating the project is no longer receiving development support. The development history consists of a single release from 2016, which focused on iOS 10 customizations. There is no evidence of ongoing maintenance, feature updates, or operational activity.

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Who built it?

time4innovation UG (haftungsbeschraenkt)

1 app tracked · Games

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User Sentiment

What do users think recently?

The recent review mood reads frustrated.

How are ratings & reviews evolving?

App Store
4.25 · 4

What users say, by theme

What Frustrates Users
  • Hint system provides answers for random squares instead of guiding players through the logical next step

1 of 1 recent reviews analyzed · limited sample

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Competition

Competitive landscape for Sudoku-Solver

How's the Games market?

Sudoku-Solver holds a static position as a legacy utility with no recent updates since 2016. The lack of monetization or active development distinguishes it from modern, ad-supported or subscription-based puzzle competitors.

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The rivals identified

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The Analyst's Read

Key takeaways for Sudoku-Solver

Where is it heading?

The puzzle utility market is consolidating around apps with frequent live-ops and modern UI/UX standards. Sudoku-Solver's failure to update since 2016 leaves it exposed to compatibility issues, ensuring a continued decline in relevance.

  • The lack of updates since 2016 indicates the app is in terminal maintenance, which will eventually lead to total user churn.

The SWOT

Core Strengths
  • Automated solver engine provides instant solutions
Critical Frictions 2 weaknesses inside
Growth Levers
  • Implement logic-based hints to improve user retention
Market Threats 1 threat identified

Next best moves

1 Sunset

Sunset the app because the development cycle has been dormant for over a decade → eliminate support costs

The counter-intuitive read

The app's lack of monetization is not a…

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Bottom line

Sudoku-Solver remains a static utility that fails to evolve its hint logic, leaving users frustrated by the lack of pedagogical guidance. The absence of development investment since 2016 signals that the app is no longer a viable competitor.

Unlock 2 critical frictions, 1 market threat and the analyst’s take.

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FAQ

Is Sudoku-Solver free to use?
Yes, Sudoku-Solver is distributed as a free utility with no visible in-app purchases or subscription gates.
Does Sudoku-Solver help me learn how to solve Sudoku?
The app provides a hint system, but users report it provides answers for random squares rather than teaching the logical steps required to solve the puzzle.
Is Sudoku-Solver still being updated?
No, the app has not received an update since October 2016, indicating it is in maintenance mode.

Sources

  1. [1] App Store

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Sudoku-Solver, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Sudoku-Solver Intelligence Report.” Updated Oct 30, 2026. https://marlvel.ai/apps/sudoku-solver-1

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